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Enterasys (EMME) (OpenBox) Router

1. EXTERNAL MULTI PORT ROUTER Figure 2 6 Configuring Sub Networks Page 2 10 EMME USER S GUIDE SAMPLE NETWORK CONFIGURATIONS 2 4 5 Fault Tolerant Wiring Hierarchy The example in Figure 2 7 illustrates a fault tolerant wiring hierarchy STAR BRIDGE M 051439 Figure 2 7 Configuring a Fault Tolerant Wiring Scheme EMME USER S GUIDE Page 2 11 CHAPTER 2 NETWORK PLANNING AND CONFIGURATION Closets A B and C each contain an MMAC FNB with an EMME MIMs and RIC MIMs operating on Ethernet channels A B and C Within each closet each Ethernet channel is separately repeated and each is dedicated to a specific set of network users for example Ethernet A is dedicated to administration Ethernet B to engineering and Ethernet C to personnel The Star Hub which is an MMAC FNB that is configured similarly to the closet hubs is the central repeater interconnect for the closets but does not constitute a single point of failure The EMME in each MMAC FNB utilizes the 802 1d Spanning Tree Algorithm By configuring the Root Path Cost and the Bridge Priority on the EMME primary paths from each segment can be bridged to Network D from each EMME indicated by the solid line between Ethernet channel A and the bridge in closet A Ethernet channel B and the bridge in closet B and Ethernet channel C and the bridge in closet C The dotted
2. QERR STBYA RCVA ETHERNET MANAGEMENT MODULE WITH ETHERNET som cuo ON OQ PWR USER S GUIDE 24 CaBICTROTD systems The Complete Networking Solution Cabletron Systems reserves the right to make changes in specifications and other information contained in this document without prior notice The reader should in all cases consult Cabletron Systems to determine whether any such changes have been made The hardware firmware or software described in this manual is subject to change without notice IN NO EVENT SHALL CABLETRON SYSTEMS BE LIABLE FOR ANY INCIDENTAL INDIRECT SPECIAL OR CONSEQUENTIAL DAMAGES WHATSOEVER INCLUDING BUT NOT LIMITED TO LOST PROFITS ARISING OUT OF OR RELATED TO THIS MANUAL OR THE INFORMATION CONTAINED IN IT EVEN IF CABLETRON SYSTEMS HAS BEEN ADVISED OF KNOWN OR SHOULD HAVE KNOWN THE POSSIBILITY OF SUCH DAMAGES Copyright 1995 by Cabletron Systems Inc P O Box 5005 Rochester NH 03866 5005 All Rights Reserved Printed in the United States of America Part Number 9030514 04 November 1995 SPECTRUM LANVIEW Remote LANVIEW NCM PCMMAC and BRIM are registered trademarks and Multi Channel Element Manager EMME EMME LM MMAC 8FNB 5 MMAC 3FNB CXRMIM FORMIM and are trademarks of Cablet
3. Integer Values 1 NoForce 2 Force Access Policy read write Page B 8 EMME USER S GUIDE CHANNEL SELECTION B 8 CHANNEL SELECTION The following two OIDs are needed to select channel assignments A B or C for all boards or individual ports These OIDs are needed for products supporting multichannel connectivity fnbconnect Description Denotes the connection status of the CSMA CD board to the inter RIC bus Object Identifier 1 3 6 1 4 1 52 1 6 1 2 2 1 1 2 slot Data Type Integer Values 1 Channel B 2 Channel C 4 Channel Access Policy read write fnbPortConnectPortAssignment Description Provides the capability to change or query the specific interface that the port is assigned Object Identifier 1 3 6 1 4 1 52 1 6 1 2 3 1 1 3 slot port Data Type Integer Values 1 Channel A 2 Channel B 3 Channel C Access Policy read write EMME USER S GUIDE Page B 9 APPENDIX EMME SPECIFICATIONS The operating specifications for the Cabletron Systems EMME are provided in this appendix Cabletron Systems reserves the right to change these specifications at any time without notice C 1 BRIDGING FUNCTIONALITY Shared Sonic Memory 4 Internal Processor Intel 80960 Read Only Memory 128K Ethernet Controller 4 DP83932 Controllers CPU Memory 4 MB Packet Filter Rate max viewed per second 29 760 packets Packet Forward Rate max viewed per second 24 630 packets Forwarding Latenc
4. 5 13 5 8 1 System Level Screen Fields 5 13 5 8 2 Setting the System 5 15 5 8 8 Setting the System 5 15 5 8 4 Setting the IP 5 16 5 8 5 Setting the Subnet 5 17 5 8 6 Setting the Default Interface 5 17 5 8 7 Setting the Default 5 18 5 8 8 Configuring Console and Modem Ports 5 19 SNMP COMMUNITY NAMES SCREEN 5 21 5 9 1 Setting SNMP Community 5 22 SNMP TRAPS 5 5 23 5 10 1 Trap Table Screen Fields 5 23 5 10 2 Setting SNMP Trap 5 24 STATUS MENU iet etta qe ee etg e 5 25 THE COMPONENT STATUS SCREEN see 5 26 5 12 1 Component Status Screen Fields 5 26 THE DEVICE STATISTICS 5 27 5 13 1 Device Statistics Screen Fields 5 27 5 13 2 Selecting an 5 29 5 13 3 Select
5. 898 3 88 288 18 s 98 2 15 2 99 200 RCV LNK RCV LNK 1 2 i 00 88 88 E gt 22 99 9 11 Q7 4 88 n 88 x M P 21i 5i 12 QA Bh BL x RCV LNK RCV LNK RCV POK RCV POK X 4 o 00 9 9 9 O TI SETETE WWW RCV LNK RCV LNK E x Oo 3 2 o OJ QA 10 X RCV LNK RCV LNK 11 TX O7 On 11 5 OJ OJ o Q XN xo xo RCV LNK RCV LNK OJ Q7 o o xS 3 LLALL 2118 QJ OJ FOIRL 10BASE FL 10BASE 2 10BASE T 10 5 ETHERNET e e 051433 Figure 2 1 Sample Repeater MIMs EMME USER S GUIDE Page 2 3 CHAPTER 2 NETWORK PLANNING AND CONFIGURATION 2 3 1 Ethernet Port Interface Modules For an additional connection to the Ethernet network the TPRMIM 20 22 TPRMIM 33 36 and CXRMIM utilize the Cabletron Systems Ethernet Port Interface Modules EPIMs Figure 2 2 that allow you to connect the unit directly to Thin net cable from the Coaxial Interface Module EPIM C Unshielded twisted pair cable from the 1OBASE T Twisted Pair Interfac
6. Network Class Length of Network ID Default Mask Class A X 255 0 0 0 Class B X X 255 255 0 0 Class C X X X 255 255 255 0 The binary 175 in the mask mask out the Network ID and the 075 show where the Host ID is When using part of the Host ID as a subnet address define a subnet mask that will mask out the bits of the Host ID that are being used as a subnet address The calculations for the mask must be done at the bit level since in some cases always in Class C addresses the last octet must be split into part Host ID and part Subnet address Table 1 6 shows how using the mask determines the subnet and Host addresses that are available from the octet Table 1 6 Examples of Subnet Masks Decimal Binary Available Subnet Available Mask Equivalent Addresses Host IDs 255 11111111 1 254 None 254 11111110 2 254 Even numbers only None 252 11111100 4 252 Multiples of 4 only 1 and 2 248 11111000 8 248 Multiples of 8 only 1 6 240 11110000 16 240 Multiples of 16 only 1 14 224 11100000 32 64 96 128 192 224 1 30 192 11000000 64 192 1 62 1 18 EMME USER S GUIDE DEFAULT GATEWAY 1 10 DEFAULT GATEWAY The default gateway is the IP address of the network or host to which all packets addressed to unknown network or host are sent The default gateway should be a perimeter or border device that connects the network with the rest of the world The d
7. No special skills or tools are required to install the EMME into an MMAC FNB Use the following guidelines when installing the EMME The EMME must be installed in slot 1 of the MMAC FNB Identified as the IRM slot in the older MMAC models When installing the EMME into an MMAC ENB be sure that the MMAC FNB is properly equipped with a power supply module PSM R to supply power to the EMME e RIC MIMs in an MMAC FNB series hub should be positioned contiguously to the EMME from right to left This insures that the channels are not accidentally placed in stand alone or desegmented from the B or C channel This does not apply to shunting MMAC FNBs where the data path remains unbroken allowing communication to continue Install the EMME into the MMAC FNB as follows 1 Slide the EMME Figure 3 2 into slot 1 of the MMAC FENB s cage Identified as the IRM slot in the older MMAC models Be sure that the module is properly aligned in the top and bottom slot guides and firmly press it into the backplane 2 Secure the module to the MMAC FNB by turning the knurled knobs Be sure that the module is firmly attached to the MMAC FNB For proper seating and operation of the EMME and all MMAC modules fasten them securely using their front panel thumbscrews 3 Power up the MMAC FNB if it isn t already on The LEDs flash and then extinguish for 30 to 40 seconds After this period of time the BOK LED starts blinking EMME U
8. FRAMES FILTERED 0 FRAMES TRANSMITTED 0 ERRORS RECEIVED 0 0 0 0 0 0 0 COLLISIONS OOW COLLISIONS CRC ERRORS ALIGNMENT ERRORS RUNT PACKETS GIANT PACKETS PORT ADMIN STATUS FORWARDING PORT SEG STATUS ENABLE PORT DISABLE PORT UPDATE FREQ 3 Sec NETWORK D SLOT 1 PORT 1 RETURN 051453 Figure 5 10 Device Statistics Screen 5 13 1 Device Statistics Screen Fields The following sections describe Device Statistics Screen fields and instructions on how to change them BYTES RECEIVED Displays the number of bytes received FRAMES RECEIVED Displays the number of frames received FRAMES FILTERED Displays the number of frames filtered by the EMME FRAMES TRANSMITTED Displays the number of frames transmitted by the EMME ERRORS RECEIVED Displays the number of errors received EMME USER S GUIDE Page 5 27 CHAPTER 5 LOCAL MANAGEMENT COLLISIONS Displays the number of collisions received OOW COLLISIONS Displays the number of Out Of Window OOW collisions OOW collisions are usually caused by the network being too long where the round trip propagation delay is greater than 51 2 us the collision domain is too large a station somewhere on the network is violating Carrier Sense and transmitting at will or a cable somewhere on the network failed during the transmission of the packet CRC ERRORS Displays the number of packets with bad Cyclic Redundancy Checks CRC that have been received from
9. MANAGEMENT TERMINAL CONFIGURATION 5 1 1 Cable Configuration for the Management Terminal This section outlines the proper cable configurations to connect a management terminal to the Console port of the EMME For information on the appropriate pinouts refer to Appendix C You need an adapter kit containing the following items to connect a terminal to the EMME Console port e An RS232 cable e An adapter e device cable The adapter you use depends on whether you connect a VT320 terminal or a PC emulating a VT320 to the EMME Console port Read the information included with the adapter kit to make sure that you are using the correct adapter To configure the cables perform the following steps 1 Plug a straight through twisted pair cable e g an RS232 cable into the EMME s RJ45 Console port 2 Plug the other end of the RS232 cable into the adapter 3 Connect the adapter into the device cable and plug the other end of the device cable into the terminal 4 Power on the terminal Access to Local Management is automatic EMME USER S GUIDE Page 5 3 CHAPTER 5 LOCAL MANAGEMENT 5 1 2 Cable Configuration for the UPS To configure a cable from the Uninterruptible Power Supply UPS to the EMME perform the following steps 1 Plug a straight through twisted pair RS232 cable into the EMME RJ45 Modem port 2 Plug the other end of the RS232 cable into the adapter Part No 9372066 and connect the adapter to the UP
10. Pin 2 Pin 3 Pin 4 Pin 5 Pin 6 Pin 7 Pin 8 C 5 AUI PORTS MODEM PORT Transmit Data from modem port Data Carrier Detect to modem port Not used Receive Data to modem port Signal Ground Data Terminal Ready from modem port Not used Ring indicator to modem port Type 15 pin D type receptacle AUI Port Pinout Pin 1 Pin 2 Pin 3 Pin 4 Pin 5 Pin 6 Pin 7 Pin 8 Pin 9 Pin 10 Pin 11 Pin 12 Pin 13 Pin 14 Pin 15 Connector Shell EMME USER S GUIDE Ground Collision Transmit Ground Receive Ground No Connection Ground Collision Transmit Ground Receive Power 12 Vdc Ground No Connection Protective Ground Page C 3 Appendix EMME SPECIFICATIONS C 6 ENVIRONMENTAL REQUIREMENTS Operating Temperature 5 to 40 C 441 to 104 F Non operating Temperature 30 to 90 C 22 to 194 F Operating Humidity 5 to 95 non condensing C 7 FLASH EPROM The Flash EPROM memory enables users to upgrade the EMME firmware remotely The Flash EPROM function operates with version 2 03 or higher of Cabletron Systems SPECTRUM Element Manager for Windows Refer to the SPECTRUM Element Manager for Windows User s Manual for procedures in using this function C 8 SAFETY Designed in accordance with UL478 UL910 NEC725 2 b CSA IEC TUV VDE Class A Meets FCC Part 15 Class A limits It is the responsibility of the person who sells the
11. Table setup and IP address procedures Check link to device Page 7 4 EMME USER S GUIDE TROUBLESHOOTING CHECKLIST Table 7 1 Troubleshooting Checklist Continued Problem A port on a MIM managed by the EMME cannot access the network while other ports on the same MIM are able to Possible Causes The port is either off or segmented Port cable is defective Recommended Action Enable the port via local or remote management Try connecting the port with a different cable User parameters IP address Device and Module name etc are lost when device is powered down No power to an external transceiver connected to the AUI port Switch 7 has been toggled and user entered parameters have been reset to factory default NVRAM may be defective Fuse for that AUI port F1 F2 is blown AUI cable is defective See Chapter 3 for information on the NVRAM switch setting If NVRAM is defective call Cabletron Technical Support Replace fuse F1 for AUM or F2 for AUI2 Replace AUI cable High number of collisions on AUI port External transceiver has SQE enabled Disable SQE Port s go into standby for no apparent reason EMME USER S GUIDE Configurations where device connection across EMME channels can cause the EMME to detect a looped condition Discuss these configurations with Cabletron Tech Support before implementing them
12. The next three OIDs are for traps enable and disable at the board level rptrPortGrpHwTrapSetLink Description Enables and disables link traps for the specified port group at the board level Object Identifier 1 3 6 1 4 1 52 4 1 1 1 4 2 5 1 1 1 2 slot Data Type Integer Values 1 disable 2 enable Access Policy read write rptrPortGrpHwTrapSetSeg Description Enables and disables segmentation traps for the specified port group at the board level Object Identifier 1 3 6 1 4 1 52 4 1 1 1 4 2 5 1 1 1 3 slot Data Type Integer Values 1 disable 2 enable Access Policy read write rptrPortGrpSaTrapSetSrcaddr Description Enables and disables segmentation traps for the specified port group at the board level Object Identifier 1 3 6 1 4 1 52 4 1 1 1 4 2 5 1 1 2 slot Data Type Integer Values 1 disable 2 enable Access Policy read write Page B 6 EMME USER S GUIDE PORT LEVEL TRAPS B 5 PORT LEVEL TRAPS The next three OIDs are for traps enable and disable at the port level rptrPortHwTrapSetLink Description Object Identifier Data Type Values Access Policy rptrPortHwTrapSetSeg Description Object Identifier Data Type Values Access Policy Enables and disables link traps for this port 1 3 6 1 4 1 52 4 1 1 1 4 3 8 1 1 1 3 slot port Integer 1 disable 2 enable read write Enables and disables segmentation traps for this port 1 3 6 1 4 1 52 4 1 1 1 4 3 8 1
13. into your network Page 7 5 CHAPTER 7 TROUBLESHOOTING 7 3 USING THE RESET BUTTON The EMME incorporates a recessed reset button located above the LEDs See Figure 7 1 This reset button initializes the EMME processor This will not initialize NVRAM the non volatile random access memory where your network management parameters are stored To use the reset button use a pen or pencil to press the button When this is done the EMME initializes itself 7 44 BEFORE CALLING TECHNICAL SUPPORT If you are not able to resolve a problem with your EMME call Cabletron Technical Support for assistance Before calling you should have as much information as possible available in order to save time and to allow the support representative to better serve you When calling technical support provide as much of the following information as possible e Description of the failure e Description of any action already taken to resolve the problem swapping a bad unit with a unit known to work properly etc e Description of your network environment environment layout cable type and length etc Serial and revision numbers of all Cabletron products used in the network Network load and frame size at the time of failure if known e Product history had the product been returned previously did it have the same problem etc e RMA number generated if any Page 7 6 EMME USER S GUIDE APPENDIX IMAGE FILE DOWNLOAD USING
14. 05 or greater EPIM F3 02 or greater EPIM T 04 or greater EPIM X 02 or greater 2 4 SAMPLE NETWORK CONFIGURATIONS This section provides you with several examples for configuring networks with the EMME These following network configuration examples illustrate the flexibility and advantages to using the EMME and RIC MIM technology e Three networks within a single MMAC FNB e network with a multi port router e Adding users to an existing network e Seven individual networks with a single MMAC FNB e fault tolerant wiring scheme EMME USER S GUIDE Page 2 5 CHAPTER 2 NETWORK PLANNING AND CONFIGURATION 2 4 1 Three Networks with Single MMAC FNB One of the basic applications of the EMME is for configuring three separate networks with one MMAC FNB This provides you with the advantages of having three separate networks in one wiring closet with full bridging and SNMP management for each network Figure 2 3 illustrates an example of the three network configuration 2 ESI S To Backbone Channel D 00 00 00 00 00 00 00 00 00 OO 00 00 Channel Channel L Lj Lj 051435 Figure 2 3 Single MMAC FNB Configuration Page 2
15. 52 4 1 5 8 1 2 0 integer 1 ctDLTFTPRequestHost 1 3 6 1 4 1 52 4 1 5 8 1 4 0 IP address Enter the 3 address of the tftp server ctDLTFTPRequest 1 3 6 1 4 1 52 4 1 5 8 1 5 0 string Enter the path 4 ASCII to the image file 5 ctDLInitiateColdBoot 1 3 6 1 4 1 52 4 1 5 8 1 3 0 integer 1 Page A 4 EMME USER S GUIDE APPENDIX EMME OIDS This appendix contains a selected number of OID strings that are most frequently needed The OIDs are implemented by using either the SNMP Tools procedures detailed in Chapter 5 or the MIB Navigator procedures located in Chapter 6 Note that the OIDs can be accessed using LANVIEW SPECTRUM SPMA or other SNMP compliant programs B 1 SPANNING TREE PROTOCOL The following OID is used to select the desired Spanning Tree Protocol ctBridgeStpProtocolSpecification Description Object Identifier Data Type Values Access Policy EMME USER S GUIDE This object allows the network manager to select which Spanning Tree Protocol will be operational on the bridge The value decLb100 2 indicates the DEC LANBridge 100 Spanning Tree Protocol The value ieee8021d 3 indicates the IEEE 802 1d Spanning Tree Protocol The value none 1 indicates no Spanning Tree Protocol is operational 1 3 6 1 4 1 52 4 1 2 3 2 1 Integer None 2 decLb100 ieee802 1 read write Page B 1 Appendix EMME OIDs B 2 PORT GROUP SECURITY The next seven
16. Console and Modem port applications Event Message Line EMME Local Management Flash Image Version XX XX XX SYSTEM LEVEL System Date System Time 14 23 00 F Channel IP Address Subnet Mask MAC Address 1 A 000 000 000 000 255 255 0 0 00 00 1D 07 50 0E 2 000 000 000 000 255 255 0 0 000 000 000 000 255 255 0 0 000 000 000 000 255 255 0 0 00 00 1D 07 50 11 Default Interface 01 Default Gateway Console Application LM Modem Application UPS RETURN 051448 Figure 5 5 The System Level Screen 5 8 1 System Level Screen Fields The following briefly explains each System Level screen field System Date Displays the system date System Time Displays the system time Displays the number of the interface corresponding to the channel over which packets with that IP address are passing EMME USER S GUIDE Page 5 13 CHAPTER 5 LOCAL MANAGEMENT Channel Shows the channel or bus through which packets with that IP address are passing Channel A is the original Ethernet bus channel Channels B amp C are the Flexible Network Bus channels Channel D is the external Ethernet network accessed through an AUI port Refer to Chapter 1 for a more complete description about channels IP Address Displays the IP address of each of the four EMME interfaces Subnet Mask Displays the subnet mask for each of the four EMME channels A subnet mask masks out the network bits of the IP address by setting the b
17. Example Page 6 16 Not Applicable MIBNav gt snmpset 122 44 1 2 public 1 3 6 1 2 1 1 4 0 Cyrus MIS 051475 snmptree IP address community name The snmptree command provides a display of all objects in the device and their corresponding values Not Applicable MIBNav gt snmptree 122 144 89 10 public 1 3 6 1 2 1 1 1_ sysDescr STRING EMRev X X X X 1 3 6 1 2 1 1 2 sysObjectld OBJECT ID 1 3 6 1 4 1 52 3t 1 3 6 1 2A 1 3 sysUpTime TIME TICKS 8098654 1 3 6 1 2 1 1 4 sysContact STRING AlZwie MIS 051476 EMME USER S GUIDE traceroute Syntax Description Options Example MIB NAVIGATOR COMMAND SET OVERVIEW traceroute IP address The traceroute command generates a TRACEROUTE request to a specified IP address and provides a display of all next hop routers in the path to the device If the device is not reached the command displays all next hop routers to the point of failure Not Applicable MIBNav gt traceroute 122 144 11 52 next hop 1 122 144 61 45 next hop 2 122 144 8 113 051477 6 3 4 Special Commands done quit exit Syntax Description Options Example done These commands enable you to exit from the MIB Navigator and return to the Main Menu screen Not Applicable MIBNav gt done Connection closed 051472 EMME USER S GUIDE Page 6 17 7 TROUBLESHOOTING This
18. IP address and the enabling of the combination of IP address and community name To set an SNMP trap destination perform the following steps 1 Use the arrow keys to highlight the Trap Destination input field you wish to modify 2 Type the IP address of the management station to which you want SNMP traps to be sent This address must be entered DDN format 3 Press ENTER 4 Use the arrow keys to highlight the corresponding Trap Community Name input field on the same row as the Trap Destination field 5 Type the community name into the input field that you intend the management station to use for accessing SNMP traps and performing management operations 6 Press ENTER 7 Usethe arrow keys to highlight the Enable Traps field on the same row as the Trap Destination and Trap Community Name you have just configured By default this toggle item will be NO 8 Press SPACEBAR or BACKSPACE to set the toggle field to YES 9 Use the arrow keys to highlight the SAVE command 10 Press ENTER The Event Message Line at the top of the screen displays SAVED OK Page 5 24 EMME USER S GUIDE STATUS MENU 5 11 STATUS MENU Figure 5 8 shows the Status Menu screen The Status Menu screen provides access to the Component Status screen Event Message Line EMME Local Management Flash Image Version XX XX XX STATUS MENU COMPONENT STATUS RETURN 051451 Figure 5 8 The Status Menu Screen EMME USER S GU
19. Not Applicable MIBNav gt tree 1 3 6 1 2 1 1 1 STRING EMRev X X X X 1 3 6 1 2 1 1 2 sysObjectid OBJECTID 1 3 6 1 4 1 52 1 3 6 1 2 1 1 3 sysUpTime TIME TICKS 8098654 1 3 6 1 2 1 1 4 sysContact STRING AlZwie MIS 051465 whoami whoami Syntax Description Options Example Page 6 10 The whoami command displays your community string and access privileges to the MIB When using the whoami command one of these three access levels will display read only read write and super user Not Applicable MIBNav gt whoami Community Name super Access Level SuperUser 051466 EMME USER S GUIDE MIB NAVIGATOR COMMAND SET OVERVIEW 6 3 3 Built In Commands The built in commands listed in this section activate functions on the LM managed device or devices being accessed through MIB Navigation arp Syntax arp options Description The arp command provides access to the ARP Address Resolution Protocol cache enabling you to view cache data delete entries or add a static route Super User access is required to delete an entry or add a static route Each ARP cache entry lists the network interface that the device is connected to the device s network address or IP address the device s physical address or MAC address and the media type of connection to the device Media types are displayed as numbers which stand for the following states Oth
20. OIDS This appendix provides instructions for setting up a tftp server and to download an image file to the EMME by setting specific MIB OID strings To set OID strings you can use the SNMP Tools screen described in Chapter 5 or MIB Navigator described in Chapter 6 You can also download an image file using various remote management packages such as SPECTRUM Element Manager for Windows Refer to specific package documentation for image file download procedures The EMME supports the Standard Local Download application In this application the EMME automatically disables management while download of the new firmware image is in progress Before you can download the image to a device you must have already setup a workstation as a tftp server EMME USER S GUIDE Page A 1 Appendix A IMAGE FILE DOWNLOAD USING OIDS A 1 SETTING UP A UNIX WORKSTATION AS TFTP SERVER Due to variations between UNIX systems and individual configurations this section provides only GUIDELINES for configuring a UNIX workstation to perform an image file download The instructions include command examples where appropriate Bold lettering in examples indicates operator entry If unsure about how to properly configure your UNIX using these guidelines contact your Systems Administrator To set up a UNIX workstation proceed as follows 1 Ifyou already have a tftpboot directory confirm the tftp setup of your workstation as follows Re
21. OIDs are used for port group security features rptrSrcAddrMgmtPortLock Description Setting this object to lock activates the network port security lock Setting a value of portMisMatch 3 is invalid A read of PortMisMatch means that the lock status between the port group port and repeater levels do not agree Object Identifier 1 3 6 1 4 1 52 4 1 1 1 4 1 5 3 2 Data Type Integer Values 1 unlock 2 lock 3 portMisMatch Access Policy read write rptrPortGrpSrcAddrLock Description Allows the setting of the lock status for this port group Unlock 1 unlocks the source address lock for this group Lock 2 locks the source address for this group Setting a value of portMisMatch 3 for this value is invalid A read of PortMisMatch 3 means that the lock status for the ports within the port group does not match the lock status for the port group Object Identifier 1 3 6 1 4 1 52 4 1 1 1 4 2 6 1 2 Data Type Integer Values 1 unlock 2 lock 3 portMisMatch Access policy read write Page B 2 EMME USER S GUIDE PORT GROUP SECURITY rptrPortSecurityLockStatus Description Object Identifier Data Type Values Access Policy Defines the lock status for this particular port entry 1 3 6 1 4 1 52 4 1 1 1 4 3 9 1 1 3 Integer 1 unlock 2 lock read write rptrPortSecurityLockAddAddress Description Object Identifier Data Type Access Policy Setting a value to this o
22. ON LED can be on at a time If the LEDs still do not light call Cabletron Technical Support PWR Green This LED lightsto If the LED is off for either Power indicate that the AUI port that port is not AUI ports AUI port is receiving power receiving power Both AUI ports Check the fuse associated PWR LEDs with the AUI port should be on EMME USER S GUIDE Page 7 3 CHAPTER 7 TROUBLESHOOTING 7 2 TROUBLESHOOTING CHECKLIST If your EMME is not operating properly refer to Table 7 2 for a checklist describing some of the problems that may occur with the EMME installed in an MMAC possible causes for the problem and suggestions for resolving the problem Table 7 1 Troubleshooting Checklist Recommended Problem Possible Causes Action No LEDs on Loss of Power to the Check that the MMAC MMAC power supply module is properly EMME not properly installed and installed plugged into a live outlet Check to see that the power supply LEDs are green No Local Terminal set up is Refer to Chapter 5 for Management not correct set up procedures Password screen Improper console cable modem cable pinouts Refer to Appendix C for proper console modem port pinouts Cannot contact the EMME from in band management Improper Community Names Table EMME does not have an IP address No link to device Packets are being bridged by a permanent entry Refer to Chapter 5 for Community Names
23. configurable Ethernet Port Interface Module EPIM which provides a single port interface for an fiber optic twisted pair or coaxial connection The TPRMIM 20 has nine RJ45 connectors and the TPRMIM 22 has twenty one RJ45 connectors e 33 36 These MIMs come equipped with 50 pin champ connectors the TPRMIM 33 with one and the TPRMIM 36 with two Each connector provides the MIM with IOBASE T twisted pair ports twelve for each champ connector These MIMs also have a user configurable Ethernet Port Interface Module EPIM providing a single port interface The TPRMIM 36 also has an AUI port e 20 22 These MIMs are equipped with RJ 45 connectors and one user configurable EPIM The TPXMIM 20 has nine RJ 45 ports while the 22 has 21 Page 2 2 EMME USER S GUIDE REPEATER MEDIA INTERFACE MODULES e TPXMIM 33 34 These MIMs are equipped with 50 Champ connectors user configurable EPIM The TPXMIM 33 has one 50 pin Champ connector and the 34 has two ONCE gt N FORMIM 22 CXRMIM TPRMIM 36 TPXMIM 22 SN SN SN ABC ETHERNET ETHERNET O ETHERNET FERNET 00 ROV AK RCV LNK ae oun 88 olo RCV 99 ie Q4 On 14 1 OO 588 90 OF9 04 RCV RCV dT s 8 00 O10 O58 15 QQ 2 QJ
24. field For example Press DEL means to press the Delete key Page 5 6 EMME USER S GUIDE ACCESSING LOCAL MANAGEMENT 5 4 ACCESSING LOCAL MANAGEMENT Verify that your terminal has been properly connected to the EMME before proceeding To access Local Management perform the following steps 1 Power on the terminal The EMME Password screen Figure 5 1 appears EMME Local Management CABLETRON Systems Incorporated 35 Industrial Way 5005 Rochester NH 03867 0505 USA 603 332 9400 c Copyright CABLETRON Systems Inc 19XX Flash Image Version XX XX XX Boot EPROM Version XX XX XX Board Revision XX Enter USER PASSWORD NENENENEEEEEEEEEEEEEEENI 051445 Figure 5 1 The EMME Password Screen EMME USER S GUIDE Page 5 7 CHAPTER 5 LOCAL MANAGEMENT 2 Enter your Password and press ENTER The default super user access password is public or press ENTER Your password is one of the community names specified in the SNMP Community Names screen Access to certain Local Management capabilities depends on the degree of access accorded that community name See the SNMP Community Names section e Ifan invalid password is entered the terminal beeps and the cursor returns to the beginning of the password entry field Entering a valid password causes the associated access level to display at the bottom of the screen and the Main Menu screen Figure 5 3 appears If no activit
25. found using one of the following Local Management where it is shown on the Password screen e MIB Navigator described in Chapter 6 The OID used to determine the EMME revision is eMMEHReyv which is 1 6 1 4 1 52 1 6 2 9 2 This is a read only function Table 1 7 lists the EMME board revisions along with the associated DRAM Upgrade Kits and their part number Table 1 7 EMME Boards and Associated DRAM Upgrade Kit EMME Board DRAM Upgrade Kit 8 MB DRAM Revision Type Part No 05 and 07 Static Column 8MB SC UGK60 06 08 and 09 Fast Page Mode 8MB FPM UGK60 Revisions 04 and below do not support a SIMM socket The EMME only supports Static Column and Fast Page Mode DRAM from Cabletron Systems EMME USER S GUIDE Page 1 21 CHAPTER 1 INTRODUCTION 1 15 GETTING HELP For additional support related to the EMME or for any questions comments or suggestions related to this manual contact Cabletron Systems Technical Support by any of the following methods Mail Cabletron Systems Inc P O Box 5005 Rochester NH 03866 5005 Phone 603 332 9400 Mon Fri 8AM to 8PM EST CompuServe GO CTRON from any prompt Internet Mail support ctron com By FTP 134 141 197 25 Login anonymous Password your email address 1 16 RELATED MATERIAL The manuals listed below should be used to supplement the procedures and other technical data provided in this manual The procedures will be referenced where
26. g the sign that comments out the line Kill the inetd process e g unix kill HUP process ID number and then restart the process e g unix inetd to enable the revised inetd conf file A 2 STANDARD LOCAL DOWNLOAD Table A 1 provides a step by step procedure for downloading the firmware image file This section provides specific MIB OIDs their names and the required setting for proper image file download Refer to your specific MIB walking tool documentation for instructions on how to set MIB OID strings The Download OIDs for Cabletron products reside in Cabletron enterprise MIBs group 52 The specific OIDs necessary to perform an image file download reside in the common download group under ctDL Cabletron Download The full OID string to reach this group is 1 3 6 1 4 1 52 4 1 5 8 1 EMME USER S GUIDE Page A 3 Appendix A IMAGE FILE DOWNLOAD USING OIDS When performing the steps in Table A 1 keep the following in mind e You must follow the steps in order e Enter the IP address of the tftp server in standard dotted decimal notation e g 132 177 118 24 Enter the FULL path to the image file in the ctDLTFTPRequest OID including the name of the image file e g c tftpboot EMME hex Table A 1 Standard Download Procedure Step OID Name OID Number Data SNMP Type OID Data 1 ctDLForceOnBoot 1 3 6 1 4 1 52 4 1 5 8 1 1 0 integer 1 2 ctDLCommitRAMToFlash 1 3 6 1 4 1
27. lines between the other Ethernet channels and the bridge show the backup paths in a standby condition If any repeater link fails or if an active bridge path fails one or many backup bridge paths could become active replacing the failed repeater link or bridge path An additional level of redundancy is achieved by using the cable redundancy algorithm built into Cabletron s EMME This feature enables you to configure redundant bridge paths with one path remaining in backup standby mode until the primary path fails In the example Segment D provides a manageable backbone using a MiniMMAC Segment D provides intercommunication for channels B and C as well as serving as the network management segment for the hierarchy The individual protocol segments are filtered by the EMME bridge component so that the only traffic on segment D is minimal inter channel communication 1 mail Otherwise only network management data is on segment D out of band of the traffic on channels A B and C Page 2 12 EMME USER S GUIDE 3 INSTALLING THE EMME This chapter contains unpacking information and installation instructions for the Cabletron Systems EMME into a Cabletron Systems Additional instructions are provided on setting the mode switches and for connecting segments to the EMME 3 1 UNPACKING THE EMME The contents of the EMME shipment is dependent on whether or not the EMME was ordered with the Routi
28. s will go into a blocking condition The other type of BPDU is the topology change BPDU This BPDU is made up of four bytes and notifies the other bridges that a change has taken place Upon receipt of the topology change BPDU the bridges will re arbitrate or re span to form a legal topology 1 6 ROUTING FUNCTIONALITY For routing functionality in the EMME the following is needed e Routing Services software for the EMME module A license must be purchased for each module upgrade e 8 memory upgrade to bring the Dynamic Random Access Memory DRAM up to atotal of 12 MB For information about 8 MB upgrade kits refer to the EMME Upgrades section at the end of this chapter EMME USER S GUIDE Page 1 13 CHAPTER 1 INTRODUCTION The Routing Services software provides the following additional funtionality e Security via access lists e Directed User Datagram Protocol UDP broadcast forwarding e Support for multiple frame types Internet Protocol IP and DECnet Ethernet Type II and SubNetwork Address Protocol SNAP Internet Packet Exchange IPX Ethernet Type II Novell 802 2 and SNAP e Statistics for host delivered and sourced packets e Basic configuration via a local terminal e Diagnostics via Telnet e Flash download via Trivial File Transfer Protocol TFTP With the Router Software loaded in the EMME the EMME has the options available for three network protocols The user through Local Management can s
29. station Page 1 8 EMME USER S GUIDE ETHERNET MANAGEMENT MODULE OVERVIEW Eavesdrop prevention delivers a modified data portion filled with a random pattern of binary ones and zeros of the Ethernet packet to all ports except the port specified in the original packet s destination MAC address field Effectively all ports except the actual destination port receive meaningless information There are two learned MAC addresses per port Full security allows the network administrator to configure the ports so that broadcast and multicast packets have the data portion of the packet modified with a random pattern of ones and zeroes Therefore the ports set to this mode do not see these packet types The default setting for Full security is disabled Enabling the Full security function modifies the broadcast and multicast packets LANVIEWSECURE products support assignment of up to 32 MAC addresses per LANVIEWSECURE chip The addresses can be assigned to one or divided among several ports on the chip For LANVIEWSECURE products trunk ports are defined as 3 or more MAC addresses but may not exceed 34 MAC addresses on that port in order to secure it A port with 35 or more addresses can never be secured Ports with 3 34 MAC addresses can be secured and will need the addresses manually entered to secure the port Non LANVIEWSECURE ports can only be secured with 2 or less MAC addresses associated with that port Non LA
30. the leaf specified does not exist for the given path you will be asked what value to assign it The following lists possible value types i nteger number c ounter number g auge number t ime ticks number o p aque value with quotation marks s tring value with quotation marks o id OID number with dotted punctuation a ddress IP address in DDN format m ac MAC address in hexadecimal format n ull no type EMME USER S GUIDE Options Example su Syntax Description Options Example MIB NAVIGATOR COMMAND SET OVERVIEW Not Applicable MIBNav gt set 1 3 6 1 4 1 52 1 6 4 7 122 1 1 1 Type i nteger a ddress c ounter g auge 051463 su community name The su command enables you to change your community name to allow for different access to the MIB The community name that you enter allows you either read only read write or super user access to that device s MIBs depending on the level of security access assigned the password through the SNMP Community Names screen See Chapter 5 for more information about community names Not Applicable MIBNav gt su public 051464 EMME USER S GUIDE Page 6 9 CHAPTER 6 MIB NAVIGATOR tree tree Syntax Description Options Example The tree command provides a display of the entire MIB for the device Leaves and associated values are displayed in columns
31. the network The CRC is a 4 byte field in the data packet which ensures that the transmitted data received is the same as the data that was originally sent ALIGNMENT ERRORS Displays the number of errors due to misaligned packets RUNT PACKETS Displays the number of runt packets received from the network A runt packet is less than the minimum Ethernet frame size of 64 bytes not including preamble GIANT PACKETS Displays the number of packets received whose size exceeded 1518 data bytes not including preamble PORT ADMIN STATUS Displays the administrative status of the port selected The two possible status messages are Enable or Disable PORT SEG STATUS Displays the segmentation status of the port selected The two possible status messages are Segmented or Unsegmented The EMME automatically partitions problem segments and reconnects non problem segments to the network ENABLE PORT This command lets you enable the selected port DISABLE PORT This command lets you disable the selected port UPDATE FREQ This command lets you select the time interval between Network Slot Port counter updates You can choose update intervals in increments of 3 seconds with the maximum interval being 99 seconds Page 5 28 EMME USER S GUIDE THE DEVICE STATISTICS SCREEN NETWORK This command lets you select the network you want to monitor The choices range from A to D depending on the configuration of your network and the optio
32. 1 1 4 slot port Integer 1 disable 2 enable read write rptrPortGrpSaTrapSetSrcaddr Description Object Identifier Data Type Values Access Policy EMME USER S GUIDE Enables and disables source address traps for the specified port group 1 3 6 1 4 1 52 4 1 1 1 4 3 8 2 1 1 3 slot port Integer 1 disable 2 enable read write Page B 7 Appendix EMME OIDs B 6 BRIDGING The following OID is used to enable and disable the interface for the bridging function dotidstpPortEnable Description The enabled disabled status of the port Object Identifier 1 3 6 1 2 1 17 2 15 1 4 Data Type Integer Values 1 enable 2 disable Access Policy read write B 7 TRUNK PORT SECURITY The following OID is required if security is not desired on a trunk port The user must force the port to be a trunk port before locking the port via the module or channel Failing to do this will cause the port to become locked out when the third address is seen on the trunk port rptrPortSrcAddrForceTrunk Description When this object is set to Force it places the port into a Trunk topology state whether or not the network traffic warrants such a state When this object is set to NoForce it allows the port to assume the topological state it would naturally assume based on the network activity across it When read this object reports the current setting Object Identifier 1 3 6 1 4 1 52 4 1 1 1 4 3 5 1 4 Data
33. 1 3 CHAPTER 1 INTRODUCTION 1 2 1 Multi Media Access Center with Flexible Network Bus The Multi Media Access Center with Flexible Network Bus MMAC FNB provides the platform for the operation of the EMME The MMAC backplane provides three Ethernet buses designated as Ethernet A B and C See Figure 1 1 Cabletron Systems non repeater MIMs communicate over Ethernet A while Cabletron Systems repeater MIMs use the Ethernet B and C buses The EMME connects these buses to provide bridging and management functionality There are two types of MMACs supporting Flexible Network Bus architecture shunting and non shunting Shunting supportive MMAC FNBs allow modules operating on either the Ethernet B or C bus to continue communications with the EMME regardless of whether there is an empty slot or an Ethernet A bus module between them in the chassis 051431 Figure 1 1 MMAC Flexible Network Bus Page 1 4 EMME USER S GUIDE ETHERNET MANAGEMENT MODULE OVERVIEW Table 1 1 provides a list of the MMAC FNB chassis where shunting capabilities are set at the factory Table 1 1 MMAC FNB Chassis MMAC FNB Chassis Serial No MMAC 3FNB FC000000000 or above MMAC 5FNB 000000000 or above MMAC 8FNB CG000000000 or above MMAC M3FNB ALL MMAC M5FNB ALL MMAC M8FNB DK000000000 or above 1 2 2 Repeater Interface Controller Media Interface Modules Cabletron Systems MultiChannel family of Media Interface Module
34. 3 3 NMI switch 3 3 NVRAM switch 3 4 Password Default switch 3 4 reset factory defaults 3 4 setting 3 2 STESTDIS switch 3 3 Modem Port pin outs C 3 N Natural Mask 1 18 Network ID 1 17 OID description 6 1 OIDs 1 16 OSI model 1 11 Password screen 5 7 physical properties C 4 R Read only 1 15 Read write 1 15 Read Only 5 21 Read Write 5 21 repeater functionality C 2 Repeater modules CXRMIM 2 2 FORMIM 22 2 2 TPRMIM 20 22 2 2 TPRMIM 33 36 2 2 repeating 1 10 Reset Button description 7 6 INDEX Reset Switch using 7 6 RIC MIMs 1 5 5 safety B 1 4 service C 4 SET 1 15 SNMP 1 15 Spanning Tree Algorithm 1 13 specifications C 1 Subnet address 1 17 Subnet Mask 1 18 Super User 1 15 5 21 T Tech Support info 7 6 Telnet 5 4 test installation 4 3 installation configuration 4 3 pre install configuration 4 2 pre installation 4 1 transceiver connection 2 1 requirements 2 1 SQE setting 3 7 Trap 1 15 Trap Table Screen Community Name field 5 23 Trap IP Address field 5 23 Traps field 5 23 Troubleshooting Checklist 7 4 U UPS cable configuration 5 4 INDEX 3
35. 6 EMME USER S GUIDE SAMPLE NETWORK CONFIGURATIONS 2 4 2 Network with a Multi port Router Another application of the EMME is configuring two or three separate networks within the same building Using a multi port router you can interconnect the three networks Figure 2 4 illustrates an example of the multi port router configuration 4th Floor D 2nd Floor MULTI PORT ROUTER Figure 2 4 Multi Port Router Configuration EMME USER S GUIDE Page 2 7 CHAPTER 2 NETWORK PLANNING AND CONFIGURATION 2 4 3 Configuring Additional Users to a Separate Segment Before the EMME was available adding users to a separately repeated segment required investing in a great deal of additional equipment The example in Figure 2 5 has Ethernet segment using the technology for 48 users requires an MMAC an IRM2 and two 24 port MIMs Each time you want to add an additional 48 users to a separately repeated segment you must add an MMAC ENB 2 two 24 port MIMs and an external bridge When you use the new technology of the EMME adding new users on a s
36. ARD LEVEL TRAPS eee B 6 Bib PORT EEVEE TRABS icto tette tinus B 7 B6 BRIDGING ene i ht e tere a tise paa B 8 BY TRUNKJPORT SEGCUBRITY ett B 8 CHANNEL 5 9 APPENDIX EMME SPECIFICATIONS 1 BRIDGING C 1 C 2 REPEATER C 2 0 2 2 C 4 MODEM PORT uae ner etr eem e eet e t PORTS bee Ae C 3 C 6 ENVIRONMENTAL REQUIREMENTS e C 4 7 FLASH EPROM e E E DE er ek gis 4 5 8 SAFETY tes epe o ee eatin ER rer dd 4 5 9 gt 4 C 10 PHYSICAL 4 INDEX viii EMME USER S GUIDE CHAPTER 1 INTRODUCTION Welcome to the Cabletron Systems Ethernet Management Module EMME User s Guide This manual provides the technical user with a description of the EMME and the information needed to install and operate it in a Cabletron Systems Multi Media Access Center with the Flexible Network Bus A general knowledge of Ethernet and IEEE 802 3 type data communications networks and their physical layer components is helpful when using the EMME 1 1 USING THIS MANUAL Before installing or operating the EMME read through this manual to famili
37. Displays status and capability information for each interface r Displays routing information for each interface MIBNav gt netstat i Interface Description MTU Speed Admin Oper MAC Addr 1 ethernet csmacd 1514 10000000 up up 0x00 0x00 1 0x07 0x50 0 0 2 ethernet csmacd 1514 10000000 up up 0x00 0x00 Ox1d 0x07 0x50 0 0 3 ethernet csmacd 1514 10000000 up up 0x00 0x00 1 0x07 0x50 0x10 4 ethernet csmacd 1514 10000000 up up 0x00 0x00 Ox1d 0x07 0x50 0x11 MIBNav gt netstat r Destination Next hop Interface Default Route DirectConnection 1 134 141 0 0 DirectConnection 2 134 141 0 0 DirectConnection 3 051470 EMME USER S GUIDE Page 6 13 CHAPTER 6 MIB NAVIGATOR ping Syntax Description Options Example snmpbranch Syntax Description Options Example Page 6 14 ping IP address The ping command generates an outbound ping request to check the status alive not alive of a device at a specified IP address Not Applicable MIBNav gt ping 122 144 40 10 122 144 40 10 is alive 051471 snmpbranch IP address community name OID The snmpbranch command enables you to query another SNMP device The command provides a display of objects that match the specified OID If no match is made no object will be displayed Not Applicable MIBNav gt snmpbranch 2 4 8 1 public 1 3 6 2 1 1 3t 1 3 6 1 2A 4 1 sysDescr STRIN
38. G EMRev 3t 1 3 6 1 2 1 1 2 sysObjectld OBJECT ID 1 3 6 1 4 1 52 1 3 6 1 2 1 4 8 sysUpTime TIME TICKS 8098654 1 3 6 1 2 1 1 4 sysContact STRING AlZwie MIS 051473 EMME USER S GUIDE snmpget Syntax Description Options Example MIB NAVIGATOR COMMAND SET OVERVIEW snmpget IP address community name OID The snmpget command enables you to query another SNMP device to obtain a value for a specified object This command requires the appropriate community string and object id Not Applicable MIBNav gt snmpget 22 44 61 22 public 1 3 6 1 2 1 1 1 0 Cabletron EMME Revision X XX XX snmpset Syntax Description EMME USER S GUIDE 051474 snmpset IP address community name The snmpset command enables you to set the value of an object in other SNMP devices This command requires the appropriate community string and OID When defining a new leaf set you will be asked what value to assign it The following lists possible value types i nteger number c ounter number g auge number t ime ticks number o p aque value with quotation marks s tring value with quotation marks o id OID number with dotted punctuation a ddress IP address in DDN format m ac MAC address in hexadecimal format n ull no type Page 6 15 CHAPTER 6 MIB NAVIGATOR Options Example snmptree Syntax Description Options
39. IB Navigator screen appears The MIB Navigator screen is identified by the presence of the MIBNav prompt The MIB Navigator functions are performed using a series of commands Entering commands in the MIB Navigator involves typing the command to be executed at the MIB Navigator prompt adding any desired or required extensions and pressing ENTER The following sections explain how to use MIB Navigator commands Page 6 2 EMME USER S GUIDE MIB NAVIGATOR COMMAND SET OVERVIEW 6 3 MIB NAVIGATOR COMMAND SET OVERVIEW There are three categories of commands in the command set e Navigation Commands Allow the user to access and manage the MIB for the device running the MIB Navigator Some of these commands also provide user community string information The commands as follows branch cd ctron dir get 15 mib2 next pwd set show SU tree whoami e Built In Commands Allow the user to access and manage network devices connected to the device running the MIB Navigator The commands as follows arp defroute netstat ping snmpbranch snmpget snmpset snmptree traceroute e Special Commands Allow the user to exit from the MIB Navigator The commands are as follows done quit exit 6 3 1 Conventions for MIB Navigator Commands This manual uses the following conventions for denoting commands e Information keyed by the use
40. IDE Page 5 25 CHAPTER 5 LOCAL MANAGEMENT 5 12 THE COMPONENT STATUS SCREEN Figure 5 9 shows the Component Status screen The Component Status screen monitors the status of the MIB Components of the EMME Event Message Line EMME Local Management Flash Image Version XX XX XX COMPONENT STATUS Component Name Admin Status EMME Chassis MGR enabled EMME LIM enabled Ctron Use Only enabled EMME Host Services enabled EMME IP Services enabled EMME Distributed LAN Monitor enabled EMME MIB Navigator enabled EMME RMON Default disabled EMME RMON Host disabled EMME RMON Capture disabled EMME Transparent Bridge enabled RETURN 051452 Figure 5 9 The Component Status Screen 5 12 1 Component Status Screen Fields The Component Status table lists the Admin Status administrative status of the EMME s MIB Components The Admin Status field displays two states Enabled and Disabled Refer to Figure 5 9 for a list of the EMME s MIB Component Names Page 5 26 EMME USER S GUIDE THE DEVICE STATISTICS SCREEN 5 13 THE DEVICE STATISTICS SCREEN Figure 5 10 shows the Device Statistics screen The Device Statistics screen displays error collision and traffic statistics for the entire network a selected slot or a selected port This screen also provides the option of enabling and disabling ports EMME Local Management Cabletron EMME Revision xx xx xx DEVICE STATISTICS NETWORK D BYTES RECEIVED 0 FRAMES RECEIVED 0
41. NVIEWSECURE ports with three or more addresses can never be secured LANVIEWSECURE is enabled upon locking a channel module or port When enabled the first two addresses that are learned become the expected address associated with that port on any LANVIEWSECURE module EMME USER S GUIDE Page 1 9 CHAPTER 1 INTRODUCTION 1 3 REPEATER FUNCTIONALITY The EMME s repeater functionality ensures that any problem segments connected to any port on the MMAC FNB will not affect any other segments connected to the MMAC FNB For example if 32 consecutive collisions are detected on any segment or if a collision detector is on for more than 2 4 milliseconds the EMME automatically partitions that segment from the MMAC ENB The segment is automatically reconnected to the MMAC FNB when a good packet is transmitted onto the segment For Cabletron Systems original non repeater MIMs i e TPMIM FOMIM the EMME s IEEE 802 3 compliant repeater provides the with the ability to achieve maximum data paths on all Ethernet transmission media including 1OBASE T twisted pair fiber optic and thick or thin Ethernet type cabling To attain these maximum data paths the EMME retimes data packets and regenerates the preamble of each data packet that enters the MMAC FNB With the Cabletron Systems repeater modules TPRMIM CXRMIM and FORMIM packets are repeated autonomously on the MIM and are not channelled through the EMME Module to mo
42. RON IN WRITING EITHER EXPRESSED OR IMPLIED INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE WITH RESPECT TO THE PROGRAM THE ACCOMPANYING WRITTEN MATERIALS AND ANY ACCOMPANYING HARDWARE 2 NOLIABILITY FOR CONSEQUENTIAL DAMAGES NO EVENT SHALL CABLETRON OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING WITHOUT LIMITATION DAMAGES FOR LOSS OF BUSINESS PROFITS BUSINESS INTERRUPTION LOSS OF BUSINESS INFORMATION SPECIAL INCIDENTAL CONSEQUENTIAL OR RELIANCE DAMAGES OR OTHER LOSS ARISING OUT OF THE USE OR INABILITY TO USE THIS CABLETRON PRODUCT EVEN IF CABLETRON HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES BECAUSE SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES OR ON THE DURATION OR LIMITATION OF IMPLIED WARRANTEES IN SOME INSTANCES THE ABOVE LIMITATIONS AND EXCLUSIONS MAY NOT APPLY TO YOU EMME USER S GUIDE UNITED STATES GOVERNMENT RESTRICTED RIGHTS The enclosed product a was developed solely at private expense b contains restricted computer software submitted with restricted rights in accordance with Section 52227 19 a through d of the Commercial Computer Software Restricted Rights Clause and its successors and c in all respects is proprietary data belonging to Cabletron and or its suppliers For Department of Defense units the product is licensed
43. S After the cable configuration is complete use one of the following management tools to configure the EMME Modem port for UPS application e EMME Local Management The System Level Screen section of this chapter provides instructions for setting up the EMME Modem port for the UPS application e Graphical user interfaces provided by SPECTRUM Element Manager for Windows SPECTRUM Portable Management Applications SPMAs or SPECTRUM software packages 5 2 ESTABLISHING TELNET CONNECTION Once the EMME has a valid IP address you can establish a Telnet session with Local Management from any TCP IP based node on the network Telnet connections to the EMME require the community name passwords assigned at the SNMP Community Names screen Refer to the SNMP Community Names section of this manual for additional information about community names See the instructions included with the Telnet application for information about establishing a Telnet session Page 5 4 EMME USER S GUIDE LOCAL MANAGEMENT KEYBOARD CONVENTIONS 5 3 LOCAL MANAGEMENT KEYBOARD CONVENTIONS All key names appear in this manual as capital letters For example the Enter key appears as ENTER the Escape Key appears as ESC and the Backspace Key appears as BACKSPACE Table 5 2 explains the keyboard conventions used in this manual as well as the key functions Table 5 2 Keyboard Conventions Key Function ENTER Key and RETURN Key These are sele
44. SER S GUIDE Page 3 5 CHAPTER 3 INSTALLING THE EMME Repeater MIM MMAC M8FNB Knurled Knobb Board Slot 2 051441 Figure 3 2 Installing the EMME Do not reset the EMME during this time 4 After the system boot procedure the LEDs should be in the following conditions e LED flashing indicating that the EMME is operating properly e STBY LEDs on or off depending on port s status after the Spanning Tree Algorithm has run Operational STB Y LED OFF or Blocking STBY LED e PWR LEDs lit for the AUI ports indicating that those ports are receiving power e ON LED lit for the AUI port through which traffic will be passing to and from channel D Page 3 6 EMME USER S GUIDE CONNECTING THE EMME TO THE NETWORK 3 4 CONNECTING THE EMME TO THE NETWORK This section provides procedures for connecting the EMME to the network via the AUI 1 or AUI 2 port When the EMME is first powered up the AUI 1 port acts as the bridge port and the AUI 2 port is off To connect to the network via an AUI port 1 Attach an external transceiver to the segment to which the AUI connector will be attached 2 Attach the female end of an AUI cable no more than 50 meters in length Make sure to disable the SQE test function on the transceiver that you will be connecting to the EMME s AUI port Failure to do so will result in improper operation of the EMME Refer to the applicable transce
45. TWORK MANAGEMENT PROTOCOL 1 15 1 8 1 Management Information Base MIBs 1 16 IP ADDRESSING oreet qa cero 1 16 1 9 1 nnne 1 17 1 92 Host ID cdit 1 17 1 9 3 Subnet 0 1 17 1 9 4 Subnet 2 4 1 18 1 10 DEFAULT GATEWAY 2 1 19 1 11 MAC ADDRESS ite a dy tre 1 19 1 12 NETWORK MANAGEMENT CAPABILITIES 1 19 1 13 UNINTERRUPTIBLE POWER SUPPLIES UPS 1 20 1 14 EMME UPGRADES sese 1 20 1415 GETTING HELP E Eget de teret 1 22 1 16 RELATED 1 22 EMME USER S GUIDE TABLE OF CONTENTS CHAPTER 2 NETWORK PLANNING AND CONFIGURATION 2 1 NETWORK 2 1 2 2 EMME IN THE MULTI MEDIA ACCESS CENTER 2 1 2 3 REPEATER MEDIA INTERFACE MODULES 2 2 2 8 1 Ethernet Port Interface 2 4 2 4 SAMPLE NETWORK CONFIGURATIONS 2 5 2 4 1 Three Networks with a Single MMAC FNB 2 6 2 4 2 Network with a Multi port 2 7 2 4 8 Configuring Additional Users to a Separate Segment 2 8 2 4 4 Mult
46. ains how to use the MIB Navigator utility EMME USER S GUIDE Page 5 11 CHAPTER 5 LOCAL MANAGEMENT 5 7 SETUP MENU SCREEN The Setup Menu provides access to Local Management screens that are used to configure or alter the configuration of the EMME Examples of functions accessible through the Setup Menu include configuring IP addresses and subnet masks assigning SNMP community names and configuring SNMP trap notification Figure 5 4 shows the Setup Menu Event Message Line EMME Local Management Flash Image Version XX XX XX SETUP MENU SYSTEM LEVEL SNMP COMMUNITY NAMES SNMP TRAPS RETURN 051447 Figure 5 4 The Setup Menu The Setup Menu displays the following menu items SYSTEM LEVEL The System Level Setup screen allows you to configure basic operating parameters for the EMME SNMP COMMUNITY NAMES The SNMP Community Names Setup screen allows you to change or review the community names used as access passwords for local management operation SNMP TRAPS The SNMP Traps Setup screen provides display and configuration access to the table of IP addresses used for trap destinations and associated community names Page 5 12 EMME USER S GUIDE THE SYSTEM LEVEL SCREEN 5 8 THE SYSTEM LEVEL SCREEN Figure 5 5 shows the EMME System Level screen This screen allows you to configure the following parameters e System Date and System Time e IP Addresses Subnet Masks and Default Gateway e Default Interface e
47. amble all packets which are not contained in the expected source address list including broadcasts and multicasts A port that is setto partial security will allow broadcast and multicasts to repeat unscrambled Default state disabled 1 Object Identifier 1 3 6 1 4 1 52 4 1 1 1 4 3 9 1 1 7 Data Type Integer Values 1 disables 2 enables Access Policy read write Page B 4 EMME USER S GUIDE NETWORK AND CHANNEL LEVEL TRAPS NETWORK AND CHANNEL LEVEL TRAPS The next three OIDs control traps enable and disable at the network level or channel level rptrHwTrapsSetLink Description Object Identifier Data Type Values Access Policy rptrHwTrapsSetSeg Description Object Identifier Data Type Values Access Policy rptrSaTrapSetScraddr Description Object Identifier Data Type Values Access Policy EMME USER S GUIDE Enables and disables link traps for this network i e Channel A B or C 1 3 6 1 4 1 52 4 1 1 1 4 1 6 1 1 Integer 1 disable 2 enable read write Enables and disables segmentation traps for this network 1 Channel A or 1 3 6 1 4 1 52 4 1 1 1 4 1 6 1 2 Integer 1 disable 2 enable read write Enables and disables source address traps for this network 1 Channel A or 1 3 6 1 4 1 52 4 1 1 1 4 1 6 2 1 Integer 1 disable 2 enable read write Page B 5 Appendix EMME OIDs B 4 BOARD LEVEL TRAPS
48. appropriate but will not be repeated Cabletron Systems MMAC Overview and Setup Guide Cabletron Systems Repeater Interface Controller Media Interface Modules TPRMIM FORMIM CXRMIM Installation Guide Cabletron Systems SPECTRUM Element Manager for Windows User s Manual The Simple Book An Introduction to Management of TCP IP based Internets Marshall T Rose Prentice Hall Inc 1991 Interconnection Bridges and Routers Radia Perlman Addison Wesley 1992 Internetworking with TCP IP Vol I Douglas E Corner Prentice Hall 1991 Page 1 22 EMME USER S GUIDE 2 NETWORK PLANNING AND CONFIGURATION Before you attempt to install the Cabletron Systems EMME review the requirements outlined in this chapter Also refer to the operating specifications and environmental requirements that are listed All conditions guidelines specifications and requirements included in this chapter must be met to insure satisfactory performance of the EMME Failure to follow these guidelines will result in unsatisfactory network performance 2 1 NETWORK REQUIREMENTS When connecting a network segment to the EMME via a transceiver and an AUI cable you will need to make sure that the following requirements are met The transceivers used to connect the EMME meet Ethernet Version 2 or IEEE 802 3 standards e AUI cables connecting the EMME to the transceivers on the network match the transceiver type on the ne
49. are program the Program contained in this package The Program may be contained in firmware chips or other media BY UTILIZING THE ENCLOSED PRODUCT YOU ARE AGREEING TO BECOME BOUND BY THE TERMS OF THIS AGREEMENT WHICH INCLUDES THE LICENSE AND THE LIMITATION OF WARRANTY AND DISCLAIMER OF LIABILITY IF YOU DO NOT AGREE TO THE TERMS OF THIS AGREEMENT PROMPTLY RETURN THE UNUSED PRODUCT TO THE PLACE OF PURCHASE FOR A FULL REFUND CABLETRON SOFTWARE PROGRAM LICENSE 1 LICENSE You have the right to use only the one 1 copy of the Program provided in this package subject to the terms and conditions of this License Agreement You may not copy reproduce or transmit any part of the Program except as permitted by the Copyright Act of the United States or as authorized in writing by Cabletron 2 OTHER RESTRICTIONS You may not reverse engineer decompile or disassemble the Program 3 APPLICABLE LAW This License Agreement shall be interpreted and governed under the laws and in the state and federal courts of New Hampshire You accept the personal jurisdiction and venue of the New Hampshire courts EXCLUSION OF WARRANTY AND DISCLAIMER OF LIABILITY 1 EXCLUSION OF WARRANTY Except as may be specifically provided by Cabletron in writing Cabletron makes no warranty expressed or implied concerning the Program including its documentation and media CABLETRON DISCLAIMS ALL WARRANTIES OTHER THAN THOSE SUPPLIED TO YOU BY CABLET
50. arize yourself with its content and to gain an understanding of the features and capabilities of the EMME This manual is organized as follows Chapter 1 Introduction discusses the capabilities of the EMME and provides an overview of its multichannel capability that supports up to four separate Ethernet segments This chapter also explains the EMME repeater and bridge functionality concluding with a list of related manuals Chapter 2 Network Planning and Configuration explains the network requirements to consider before installing the EMME This chapter also includes sample configurations demonstrating various applications for the EMME Chapter 3 Installing the EMME provides instructions on how to install the EMME into an MMAC FNB set the EMME s mode switches and connect segments to the EMME Chapter 4 Testing the EMME provides procedures for testing the EMME before it 1s installed and again after connecting it to the network Chapter 5 Local Management describes EMME Local Management Local Management provides tools to manage the EMME and its attached segments EMME USER S GUIDE Page 1 1 CHAPTER 1 INTRODUCTION Chapter 6 MIB Navigator describes MIB Navigator s management and control The MIB Navigator manages EMME related Management Information Bases Chapter 7 Troubleshooting details the Remote LANVIEW LEDs incorporated into the EMME that enable you to quickly diagnose problems that may occur with the module T
51. as the token ring management module Without TRMMIM the EMME will only recognize the Token Ring modules Ethernet Channel D Ethernet channel D is provided by one of the two redundant AUI ports on the front panel of the EMME With the correct transceiver the AUI ports provide the capability for cable redundancy and a variety of Ethernet transmission media connections including twisted pair fiber optic and thick or thin Ethernet coaxial cable Either one of the AUI ports can act as the bridge port to the external network When the EMME is first powered up the AUI 1 port acts as the bridge port and the AUI 2 port is off Using the EMME s network management capabilities you can reverse this configuration to have the AUI 2 port act as the primary bridge port TPXMIM The EMME also supports Cabletron s family of Twisted Pair Switching Media Interface Modules TPXMIMs These modules provide board or individual port connectivity to any MMAC FNB Ethernet Channel A B or C with full SNMP management including RMON AII ports initially default to Channel B upon power up and require a Management Information Base MIB change to access any other channel EMME USER S GUIDE Page 1 7 CHAPTER 1 INTRODUCTION 1 2 4 Local Management Built into the front panel of the EMME are two RJ45 ports The Console port allows access to Local Management by locally connecting a DEC VT 320 terminal or a PC using VT320 emulation software Refer to Chapt
52. bject adds a new entry to the rptrPortSecurityListTable When read this object displays an Octet String of size 6 with each octet containing a 0 This object provides an easy method to add or delete conceptual rows in the rptrPortSecurityListTable The returned value has little or no actual meaning 1 3 6 1 4 1 52 4 1 1 1 4 3 9 1 1 4 Octet String size 6 read write rptrPortSecurityLockDelAddress Description Object Identifier Data Type Access Policy EMME USER S GUIDE Setting a value to this object deletes a corresponding entry in the rptrPortSecurityListTable When read this object returns the last deleted source address An Octet String of size 0 is returned if no objects were deleted since last system reset 1 3 6 1 4 1 52 4 1 1 1 4 3 9 1 1 5 Octet String read write Page B 3 Appendix EMME OIDs rptrPortSecurityDisableOnViolation Description Designates whether port is disabled if source address is violated A source address violation occurs when a address is detected which is not in the source address list for this port If this port is disabled for this port address violation it can be enabled by setting rptrPortMgmtAdminState Default state is enabled 2 Object Identifier 1 3 6 1 4 1 52 4 1 1 1 4 3 9 1 1 6 Data Type Integer Values 1 disable 2 enable Access Policy read write rptrPortSecurityFullSecEnabled Description A port that is set to full security and is locked will scr
53. chapter includes information to help you troubleshoot your EMME should a problem occur Described are the EMME s LANVIEW LEDs a troubleshooting checklist and information to have available if you call Cabletron Technical Support 7 1 INTERPRETING THE LANVIEW LEDS The EMME uses the Cabletron Systems built in visual diagnostic and status monitoring system called LANVIEW With LANVIEW you can quickly scan the LANVIEW LEDs shown in Figure 7 1 to observe network status or diagnose network problems EMME N RESET BOK ERR RcvB Rcvc Oc ine ON Pwr S Ww PCT Figure 7 1 LANVIEW LEDs EMME USER S GUIDE Page 7 1 CHAPTER 7 TROUBLESHOOTING Table 7 1 describes the LEDs and the associated troubleshooting actions Figure 7 2 LANVIEW LEDs LED Color Description Error Condition Recommended Action BOK Green When flashing If off or on and not Board indicates that the flashing the board has a board is problem operating properly Press the reset button on the EMME front panel to re initialize the board If the board does not re initialize it has probably failed Call Cabletron Technical Support ERR Red This light If on a hardware error has Error indicates a occurred hardware error which will prevent Try re initializing the board the boar
54. ction keys that perform the same Local Management function For example Press ENTER means that you can press either ENTER or RETURN unless this manual specifically instructs you otherwise ESCAPE ESC Key This key lets you escape from a Local Management screen without saving your changes For example Press ESC twice means that you must quickly press the ESC key two times SPACEBAR and BACKSPACE Key These keys cycle through selections in some Local Management fields Use the SPACEBAR to cycle forward through selections and use BACKSPACE to cycle backward through selections Arrow Keys These are navigation keys Use the UP ARROW DOWN ARRROW LEFT ARROW and RIGHT ARROW keys to move the screen cursor For example Use the arrow keys means to press whichever arrow key moves the cursor to the desired field on the Local Management screen EMME USER S GUIDE Page 5 5 CHAPTER 5 LOCAL MANAGEMENT Table 5 2 Keyboard Conventions Continued SHIFT Keys Key This key combination increments values in a Local Management increment field For example Press SHIFT means to hold down the SHIFT key while pressing the plus sign key This key decreases values from a Local Management increment field For example Press means to press the minus sign key DEL Key The DEL Delete key removes characters from a Local Management
55. d from by pressing the reset operating button If the LED is still lit call Cabletron Technical Support STBY Yellow Indicates Data loop condition exists A B C D packets cannot Standby be forwarded as Reconfigure the network to the Spanning Tree Algorithm has put the associated Bridge Port into standby mode due to the detection of a data loop condition remove the data loop Page 7 2 EMME USER S GUIDE INTERPRETING THE LANVIEW LEDS Figure 7 2 LANVIEW LEDs Continued LED Color RCV A B C D Receive Yellow Description Light flashes to indicate that a segment is receiving a packet Error Condition Recommended Action If none of the receive lights are flashing the EMME is not receiving packets on any of the segments Check that each module is firmly installed in the MMAC Ensure that all ports are enabled CLN Collision Collision detected ona segment When the LAN is operating normally this LED will flash occasionally This LED lights to Excessive flashing or a solid light indicates an inordinate amount of collisions Ensure that the SQE test is disabled for any transceiver connected to the EMME s AUI port Check cabling for data loops or defective cables If this LED is not lit for AUI indicate which of either AUI port try re ports the two AUI ports initializing the EMME by is active Only pressing the reset button one
56. d to it Slide the EMME out of the chassis and change the switch as needed to select a function The function is initiated when the EMME is reinstalled e Switch 1 NMI Non Maskable Interrupt This switch must be in the On position Cabletron Systems use only e Switch 2 STESTDIS System Test Disable This switch must be in the Off position Cabletron Systems use only e Switch 3 CADIC Software Debugging Tool For manufacturing use only Keep in Off position e Switch 4 MIMREV Management Interface Module Revision This switch must be in the Off position for normal operation Only if you are using THN MIM part numbers 9000043 05 and below in your MMAC FNB the switch must be in the On position e Switch 5 Baud Rate Default Allows you to set the Console port s baud rate The Off position sets the baud rate to 9600 The On position sets the baud rate to 2400 e Switch 6 Forced Download Changing the position of this switch after pulling the board out of the MMAC FNB clears download information from NVRAM and forces image files to be downloaded from the station configured to act as that EMME s BOOTP server EMME USER S GUIDE Page 3 3 CHAPTER 3 INSTALLING THE EMME Ensure that a BOOTP server has been configured prior to changing the switch 6 position When the state of switch 6 is changed the EMME will begin requesting a BOOTP server in an attempt to get a flash image download The EMME s BOOT PROM inhibits
57. dule repeating is achieved over the FNB backplane The EMME provides management for these modules and keeps Device Network Board and Port Level performance and error statistics 1 4 BRIDGING FUNCTIONALITY The EMME automatically configures itself as a bridge between channels A B C and D for a four port bridge maximum The EMME provides 802 1d compliant bridging capabilities to prevent unnecessary network traffic from passing between segments Frames received by the EMME are forwarded to four megabytes of buffering memory The processor accesses the frames from the buffered memory and passes address information to the bridging algorithm Then based on the bridging decision the frames are filtered or forwarded The EMME incorporates the Spanning Tree and DEC Spanning Tree Algorithms that allow network architects to set up bridges in parallel between segments as backup paths for fault tolerance These bridges remain in a standby condition until the primary parallel path fails Page 1 10 EMME USER S GUIDE MORE ABOUT BRIDGES 1 5 MORE ABOUT BRIDGES A bridge is a device that can be added to a network to allow expansion beyond the limitations of IEEE 802 3 If an Ethernet network has a repeater hop count of four repeaters or a propagation delay near the 51 2 microsecond maximum a bridge can be used to build an extended network Ethernet bridges read in packets and decide to filter or forward them based on the destinatio
58. e Module EPIM T AUI cable to an external transceiver from the AUI Interface Module EPIM A AUI cable directly from the Transceiver Interface Module with dual internal transceivers EPIM X Multi Mode Fiber Optic Cable with SMA or ST connectors from the Fiber Optic Interface Modules EPIM F1 EPIM F2 Single Mode Fiber Optic Cable with ST connectors from the single mode Fiber Optic Interface Module EPIM F3 T P 5 MA O 000 EPIMA EPIMFIF2 EPIM C EPIM A EPIM F1 F2 ol RX 00000000 SQE LNK Fai O O EPIM F3 Figure 2 2 Ethernet Port Interface Modules EPIMs Page 2 4 EMME USER S GUIDE SAMPLE NETWORK CONFIGURATIONS To support the additional functionality of the LANVIEWSECURE products the EPIMs used in products that support LANVIEWSECURE must be at or above the revision levels listed in Table 2 1 The EPIM revision level is located on the EPIM module and consists of two numbers following the dash at the end of the part number e g 9031111 xx Table 2 1 EPIM Board Revisions F REVISION EPIM 3PS Not Applicable Not Applicable EPIM C 05 or greater EPIM F1 05 or greater EPIM F2
59. e any configuration work you may have done Page 5 22 EMME USER S GUIDE SNMP TRAPS SCREEN 5 10 SNMP TRAPS SCREEN Figure 5 7 shows the SNMP Traps screen Configuring the SNMP Traps screen allows the EMME to send SNMP Traps to multiple network management stations The following sections explain SNMP Trap screen information fields as well as providing instructions for configuring them Event Message Line EMME Local Management Flash Image Version XX XX XX SNMP TRAPS Trap Destination Trap Community Name Enable Traps public NO 0 0 0 0 public NO 0 0 0 0 public NO 0 0 0 0 public NO 0 0 0 0 public NO 0 0 0 0 public NO 0 0 0 0 public NO 0 0 0 0 public NO RETURN 051450 Figure 5 7 The SNMP Traps Screen 5 10 1 Trap Table Screen Fields SNMP Community Name Displays the Community Name to be included in the trap message sent to the Network Management Station with the associated IP address Traps Enables transmission of the traps to the network management station with the associated IP address Trap IP Address Indicates the IP address of the workstation to receive trap alarms from the EMME EMME USER S GUIDE Page 5 23 CHAPTER 5 LOCAL MANAGEMENT 5 10 2 Setting SNMP Trap Destinations To set SNMP Trap destinations using Local Management requires three distinct operations the configuration of a destination address for the traps to be sent to the assignment of a community name for that
60. e screen and press ENTER If the time entered was a valid format the Event Message Line at the top of the screen displays SAVED OK If the entry was not valid Local Management does not alter the current value and refreshes the System Time field with the previous value 5 8 4 Setting the IP Address The IP Address table allows you to assign IP addresses to each of the four EMME interfaces These four interfaces keep the packet traffic between devices for a specific channel s subnetwork on that subnetwork and only forwards packets meant for devices on another channel and its related subnetwork s This increases the number of segments that can be connected to one EMME controlled FNB supporting MMAC Before you configure the IP Address Table check that your configuration correctly establishes your repeater MIMs for either Channel B C or as stand alones refer to your repeater MIM documentation if necessary To set the EMME IP address perform the following steps 1 Use the arrow keys to highlight the appropriate IP address field 2 Enter the IP address into this field using Decimal Dotted Notation DDN format For example 134 141 25 17 3 Press ENTER If the IP Address entered was a valid format the cursor returns to the beginning of the IP Address field If the entry was not valid the Event Message Line displays INVALID IP ADDRESS OR FORMAT ENTERED Local Management does not alter the current value and refreshes
61. ears Table 5 3 lists the available settings and their corresponding applications Table 5 3 COM Port Application Settings Setting Application LM Local Management Session UPS APC Power Supply SNMP Proxy SLIP Serial Line Internet Protocol UNASSIGNED Not Active 3 Press ENTER to accept the application If the SLIP application is chosen for the port an additional field will appear to the right of the port field This is the Baud Rate field The Baud Rate field allows the port operating SLIP to be set to the correct baud rate for its modem connection To alter and set the SLIP baud rate perform the following steps 1 Use the arrow keys to highlight the COM X Baud Rate field 2 Press SPACEBAR or BACKSPACE cycle through the available baud rates for SLIP operation The Console port and Modem port support standard baud rates between 300 and 19 200 3 Press ENTER to select the desired baud rate 4 Use the arrow keys to highlight the SAVE command 5 Press ENTER The Event Message Line at the top of the screen displays SAVED OK Page 5 20 EMME USER S GUIDE SNMP COMMUNITY NAMES SCREEN 5 9 SNMP COMMUNITY NAMES SCREEN Figure 5 6 shows the SNMP Community Names screen The network manager may control Local Management access by establishing three 3 passwords Each password controls varying levels of access to EMME Local Management Event Message Line EMME Local Management Flas
62. ecimal Notation DDN The DDN format is XXX XXX XXX XXX The IP address consists of two distinct parts the Network ID and Host ID There are three classes of IP addressing Class A B and C Tables 1 2 through 1 4 describe the classes Table 1 2 Class Range of Network IDs 1 126 host host host 1 octet for the Network ID 127 reserved Binary translation 0000001 01111111 of first octet first bit is always 0 Range for the Host ID net 1 254 1 254 1 254 3 octets for the Host ID allows 16 777 214 hosts per network Table 1 3 Class B Range of Network 128 191 1 254 host host IDs 2 octets for the Network ID Binary translation 1000000 10111111 of first octet first bit is always 1 and second is always 0 Range for the Host net net 1 254 1 254 ID 2 octets for the Host ID allows 65 534 hosts per network Page 1 16 EMME USER S GUIDE ADDRESSING Table 1 4 Class Range of Network 192 223 1 254 1 254 host IDs 3 octets for the Network ID Binary translation 1100000 11011111 of first octet first and second bits always 1 and third is always 0 Range for the Host net net net 1 254 ID 1 octet for the Host ID allows 254 hosts per network 1 9 1 Network ID The Internet Assigned Numbers Authority IANA assigns the Network ID and uniquely identifies a network on the Global Internet On private internal networ
63. efault gateway attempts to route the packet to the correct destination This gateway is often used by managers to handle all traffic between private networks and the nternet If a default gateway is not defined the packets addressed to a network or host address not found in the forwarding table will be dropped 1 11 MAC ADDRESS The MAC address is a unique 48 bit binary number associated with a specific physical connection to a network MAC addresses are divided into 6 octets and represented in hexadecimal form such as the following 00 00 1D 00 26 FB The MAC addresses are administered by the IEEE and are generally assigned at the time of manufacture and cannot be changed The first three octets uniquely identify the manufacturer Cabletron devices all start with 00 00 1D 1 12 NETWORK MANAGEMENT CAPABILITIES The Cabletron Systems EMME can be controlled and managed by any SNMP network management system These include e Cabletron Systems SPECTRUM e Cabletron Systems SPECTRUM Element Manager for Windows e Third Party SNMP compliant Network Management Packages The EMME s network management capabilities provide the necessary management tools for the EMME to operate at its full capacity Your ability to set up parameters with network management ensures optimal performance of the EMME EMME USER S GUIDE Page 1 19 CHAPTER 1 INTRODUCTION For example you can gather a large amount of statistical information about the EMME includ
64. elect either IP IPX or DECnet Phase IV routing IP routing is the TCP IP protocol that specifies how information is broken into packets and how they are addressed to route over a network DECnet Phase IV specifies two forms of DECnet routing as follows e Phase IV or Level 1 For routing DECnet packets from one node to another within a DECnet area e Area or Level 2 For routing DECnet packets from one DECnet area to another The DECnet Phase IV routing services are based on Digital Equipment Corporation s requirements for DECnet Phase IV Level 1 and Area routers Page 1 14 EMME USER S GUIDE COMMUNITY NAMES 1 7 COMMUNITY NAMES When using Local or Remote management tools to access the EMME it is important that the network manager has the ability to maintain network security Community names provide some network security by serving as passwords to the device and the software running it The network manager super user establishes three 3 passwords each of which controls varying levels of access to the hardware and software The Community names are set through the Local Management SNMP Community Names Table Once these are set by the network manager they can be maintained in confidence or limited to users who have a need to manage the system The three levels of access are e Super User Allows full management privileges e Read Write Allows edit of device configuration parameters not including changing Community nam
65. eparately repeated segment can be accomplished simply by adding MIMs to the MMAC FNB Page 2 8 EMME USER S GUIDE SAMPLE NETWORK CONFIGURATIONS CURRENT TECHNOLOGY NEW TECHNOLOGY Initial 48 Users 48 Users an MMAC an MMAC FNB an IRM2 an EMME two 24 port MIMs two 24 port RIC MIMs Channel C 48 Users Y An Additional 48 Users Require 48 Users an additional MMAC two additional an additional IRM2 24 port RIC MIMs two additional 24 port MIMs an external bridge ChannelB Channel C 48 Users 48 Users 1 48 Users Another Additional 48 Users Require 48 Users an additional MMAC two additional an additional IRM2 24 port ridge two additional non RIC MIMs TEL 24 port MIMs an external bridge ChannelA Channel B Channel C 48 Users 48Users 48 Users 48 Users 48 Users Figure 2 5 Adding New Users EMME USER S GUIDE Page 2 9 CHAPTER 2 NETWORK PLANNING AND CONFIGURATION 2 4 4 Multiple Routed Sub Networks The example in Figure 2 6 illustrates how you can use the EMME to configure up to seven individual networks in a single MMAC FNB This can be done by connecting each MIM in the MMAC FNB to a multi port router You can then use the EMME to administratively manage all of the modules in the hub
66. er 2 Invalid entry cannot ping device timed out etc 3 Dynamic route entry 4 Static route entry not subject to change Options a View cache data d delete an IP address entry Requires additional arguments Interface Number IP address 5 Adds a static entry Requires additional arguments Interface Number IP address gt MAC address EMME USER S GUIDE Page 6 11 CHAPTER 6 MIB NAVIGATOR Example MIBNav gt arp a Interface Network Address Physical Address Media Type Soniclnt 122 144 40 111 00 00 0 12 3 04 3 dynamic 3t Soniclnt 122 144 48 109 00 00 0 13 39 14 3 dynamic Soniclnt 122 144 52 68 00 00 0 12 3 04 3 dynamic Soniclnt 122 144 21 43 00 00 0 03 19 3 3 dynamic MIBNav gt arp d 1 122 144 52 68 MIBNav arp s 1 22 44 2 3 00 00 0e 03 1d 3c 051467 defroute Syntax defroute interface number IP address Description The defroute command allows you to set the default IP route to a managed device through the specified interface Options Not Applicable Example MIBNav gt defroute 2 147 152 42 32 051469 Page 6 12 EMME USER S GUIDE netstat Syntax Description Options Example MIB NAVIGATOR COMMAND SET OVERVIEW netstat option The netstat command provides a display of general network statistics for the managed device The netstat command must be used with one of the two display options i
67. er 5 Local Management 1 2 5 MIB Navigation EMME firmware supports a management tool through which you navigate through Management Information Bases MIBs Refer to Chapter 6 MIB Navigator 1 2 6 LANVIEW LEDs The EMME incorporates Cabletron Systems LANVIEW Status Monitoring and Diagnostics System Should a problem arise such as a power failure or a cable fault the LANVIEW LEDs will help you to diagnose it The module includes the following LANVIEW LEDs Board OK and Error LEDs for board status e Standby Receive and Collision LEDs for Ethernet Channel Status On and Power LEDs for AUI Port Status 1 2 7 LANVIEWSECURE The EMME supports the LANVIEWSECURE suite of Ethernet MMAC products The LANVIEWSECURE products support both inbound data Intruder Prevention and outbound data Eavesdrop Prevention These products are identified by the words LANVIEWSECURE printed on the faceplate of the product Intruder prevention allows locking of ports when an intruder based on the expected MAC address assigned to that port is seen on that port A trap is then generated and sent to the Network Management station to indicate an intruder violation When locking is enabled the default configuration for intruder prevention in LANVIEWSECURE disables the port and sends a trap to the management station If the trap screen is configured appropriately through Local Management or setting OIDs traps are sent to the management
68. es e Read Only Allows reading of device parameters not including Community names 1 8 SNMP SIMPLE NETWORK MANAGEMENT PROTOCOL SNMP is a protocol within the TCP IP protocol suite Network applications such as Local Management and MIB Navigator use SNMP to manage device configurations and monitor operating conditions SNMP protocol defines methods for GETs SETs and TRAPs either remotely from any point along the TCP IP network or locally This allows for control of the device from any point along the network MIB Navigator uses the Management Information Base MIB located on the device to be managed to access information GET change device parameters SET and to notify preselected users that an event has occurred TRAP EMME USER S GUIDE Page 1 15 CHAPTER 1 INTRODUCTION 1 8 1 Management Information Base MIBs The MIBs are a database which are resident on the network device 1 EMME Objects in the information base are uniquely identified by administratively assigned identifiers called object identifiers or OIDs and can be viewed retrieved or changed using an SNMP packet exchange over the network or locally using MIB Navigator 1 9 IP ADDRESSING Each network interface or TCP IP host is identified by a 32 bit binary number called the IP address This 32 bit number is divided into four 8 bit numbers called octets Each octet is translated into its decimal equivalent and is represented using Dotted D
69. f using UNIX workstations a ping test will verify that the EMME is operating properly EMME USER S GUIDE Page 4 1 CHAPTER 4 TESTING THE EMME If a failure occurs refer to Chapter 7 Troubleshooting MMAC3 FNB with EMME and TPRMIM MMAC 3FNB 1 3 2 2 22222222 888888888888 808 INNI Jee wiwad oo Workstation 2 wee Workstation 1 051443 Figure 4 1 Pre installation Test Page 4 2 EMME USER S GUIDE INSTALLATION CHECK OUT 4 2 INSTALLATION CHECK OUT After the EMME is connected to the network verify that packets can be passed over the network segments via the EMME Again you can use two workstations set up as file server and client Keep the server workstation stationary in the wiring closet with the EMME and use the client workstation to move to each node connected to the EMME Figure 4 2 1 After the EMME is installed in connect the server workstation to either a MIM or to the EMME via an AUI port using a transceiver and an AUI cable 2 Sequentially connect a client workstation to each node connected to the MMAC and proceed to test the segment If a failure occurs refer to Chapter 7 Troubleshooting MMAC3 FNB with EMME and TPRMIM laf Jol n Yo Of
70. fice Locations e File Server Workstation Client Workstation 051444 Figure 4 2 Installation Check Out Test Configuration EMME USER S GUIDE Page 4 3 5 LOCAL MANAGEMENT This chapter describes how to access and use Local Management for the EMME To access Local Management you need to attach a management terminal to the EMME s Console port or establish a Telnet connection from a station connected to the network Local Management for the EMME consists of a series of management screens that provide tools to manage the EMME and its attached segments These tools allow you to perform the following tasks Assign IP addresses and subnet masks to any of the EMME s four bridge channels in the four channel IP routing table Select a default gateway and subnet mask Control access to the EMME by establishing community names Designate which Network Management Workstations receive SNMP traps from the device Navigate through Management Information Bases MIBs Since the EMME is an SNMP compliant device you can manage EMME related SNMP MIB objects given the appropriate security level You can also manage the IETF Bridge MIB objects and many of the RMON Remote Monitoring MIB objects This chapter also explains how to attach a cable from an Uninterruptible Power Supply UPS to the EMME and how to configure the EMME s Modem por
71. h Image Version XX XX XX SNMP COMMUNITY NAMES Community Name Access Policy public read only public read write public super user RETURN 051449 Figure 5 6 The Community Names Screen The following list describes each of the three levels of access e super user Allows full management privileges e read write Allows edit of some device configuration parameters not including changing community names e read only Allows reading of device parameters not including community names In order to perform any operations on the SNMP Community Names screen the user must have used the super user community name at the User Password prompt when initiating the Local Management session EMME USER S GUIDE Page 5 21 CHAPTER 5 LOCAL MANAGEMENT 5 9 1 Setting SNMP Community Names To set a community name perform the following steps 1 Use the arrow keys to highlight the community name you want to change 2 Type the new community name and press ENTER The old community name text will disappear and be replaced by the new community name 3 Use the arrow keys to highlight the SAVE command 4 Press ENTER The Event Message Line at the top of the screen displays SAVED OK If you edit the super user community name be certain you do not forget it If you do you will be unable perform Local Management functions without returning the device to its factory default configurations This will effectively eras
72. hannel for the designated default gateway To set the Default Interface perform the following steps 1 Use the arrow keys to highlight the Default Interface field 2 Enter the interface number for the default gateway in this field with a value from 1 to 4 EMME USER S GUIDE Page 5 17 CHAPTER 5 LOCAL MANAGEMENT Press ENTER If the subnet mask entered was a valid format the cursor returns to the beginning of the Subnet Mask field If the entry was not valid the Event Message Line displays PERMISSIBLE RANGE 1 4 Local Management does not alter the current value and refreshes the Default Interface field with the previous value Use the arrow keys to highlight the SAVE command Press ENTER The Event Message Line at the top of the screen displays SAVED 5 8 7 Setting the Default Gateway If the SNMP management station is located on a different IP subnet than the managed device a default gateway must be specified When an SNMP Trap is generated the device will send it to both the Management station and the default gateway To set the default gateway perform the following steps 1 Use the arrow keys to highlight the Default Gateway field 2 Enter the IP address of the default gateway IP address entries must follow the DDN format For example 134 141 79 121 3 Press ENTER If the default gateway entered was a valid format the cursor returns to the beginning of the Default Gateway field If the entry
73. his chapter also includes a troubleshooting checklist procedures for using the reset button and instructions for calling Technical Support if you need assistance Appendix A Image File Download Using OIDs provides instructions for downloading an image file to the EMME by setting the MIB OID strings Appendix B EMME OIDs contains selected OID strings which are most often used Appendix C EMME Specifications contains location requirements and operating specifications for the EMME 1 2 ETHERNET MANAGEMENT MODULE OVERVIEW The Cabletron Systems Ethernet Management Module with Ethernet EMME is the heart of the Cabletron Systems Multi Media Access Center The EMME can provide four bridged and managed channels and management for three separate Ethernet channels within a single MMAC This is accomplished by having channel A operate over the Power and Management Bus Cabletron s original Ethernet channel Channels B and C operate over the Flexible Network Bus FNB The EMME can also bridge all three channels to a fourth externally connected channel D usually a backbone connection using one of the AUI ports on the faceplate of the module The Cabletron Systems Ethernet non repeater Media Interface Modules use channel A on the MMAC backplane to communicate with the EMME which performs the repeating function MIMs provide a variety of different media connections at one point within an MMAC The EMME incorporates an IEEE 802 3 repeater
74. ing a 5 0 5 29 5 13 4 Enabling Ports 5 30 5 13 5 Disabling 5 30 6 MIB NAVIGATOR MANAGING DEVICE 5 6 1 ACCESSING THE MIB 6 2 MIB NAVIGATOR COMMAND SET OVERVIEW 6 3 6 3 4 Conventions for MIB Navigator Commands 6 3 6 3 2 Navigation 6 5 6 3 8 Built In Commands sse 6 11 6 3 4 Special 6 17 CHAPTER 7 TROUBLESHOOTING INTERPRETING THE LANVIEW LEDs 7 1 TROUBLESHOOTING CHECKLIST 7 4 USING THE RESET 2 000 7 6 BEFORE CALLING TECHNICAL 7 6 EMME USER S GUIDE vii TABLE CONTENTS APPENDIX A IMAGE FILE DOWNLOAD USING OIDS SETTING UP A UNIX WORKSTATION AS TFTP SERVER A 2 2 STANDARD LOCAL DOWNLOAD A 3 APPENDIX B EMME OIDS 1 SPANNING TREE PROTOCOL 1 2 PORT GROUP B 2 NETWORK AND CHANNEL LEVEL TRAPS B 5 B 4 BO
75. ing the quantities of the following Packets Receive Collisions Transmit Collisions Giant Packets Runt Packets Misaligned Packets CRC Error Out of Window Collisions Bytes Received For further specific information refer to the applicable Network Management Package User s Manual 1 13 UNINTERRUPTIBLE POWER SUPPLIES UPS The EMME can monitor and control American Power Conversion UPSs The EMME modem port is connected to the UPS via a DB9 to RJ45 adapter Cabletron Part Number 9372066 This feature supports two methods for activating the UPS monitoring as follows e Using the Local Management System Level screen of the EMME via a system connected to the EMME console port Using SPECTRUM Element Manager for Windows SPECTRUM Portable Management Application SPMA or SPECTRUM These software packages provide Graphical User Interfaces GUI to configure the UPS 1 14 EMME UPGRADES To take advantage of enhanced EMME features a Dynamic Random Access Memory DRAM upgrade is required These are DRAM modules that are only available through Cabletron Systems The DRAM modules provide additional memory required to support the following Routing Matrix RMON MIB Host Captive Hosts Top N Filter Groups Page 1 20 EMME USER S GUIDE EMME UPGRADES To determine the upgrade required for a specific EMME the EMME board revision level must be known The revision level can be
76. iple Routed 6 2 10 2 4 5 A Fault Tolerant Wiring Hierarchy 2 11 CHAPTER 3 INSTALLING THE EMME 3 1 UNPACKING THE 3 1 3 2 SETTING THE EMME 5 3 2 3 3 INSTALLING THE 3 5 3 4 CONNECTING THE EMME TO THE NETWORK 3 7 CHAPTER 4 TESTING THE EMME 41 PRE INSTALLATION 4 1 4 2 INSTALLATION 4 3 CHAPTER 5 LOCAL MANAGEMENT 5 1 MANAGEMENT TERMINAL CONFIGURATION 5 2 5 1 1 Cable Configuration for the Management Terminal 5 3 5 1 2 Cable Configuration for the 5 4 5 2 ESTABLISHING A TELNET CONNECTION 5 4 5 3 LOCAL MANAGEMENT KEYBOARD CONVENTIONS 5 5 5 4 ACCESSING LOCAL MANAGEMENT 5 7 5 5 NAVIGATING LOCAL MANAGEMENT SCREENS 5 9 5 5 1 Selecting Local Management Menu Screen Items 5 9 5 5 2 Exiting Local Management 5 10 5 6 THE MAIN MENU 5 11 5 7 SETUP MENU 5 5 12 vi EMME USER S GUIDE 5 8 5 9 5 10 5 11 5 12 5 13 TABLE OF CONTENTS THE SYSTEM LEVEL SCREEN
77. its in the mask to 1 when the network treats the corresponding bits in the IP address as part of the network or subnetwork address or to 0 if the corresponding bit identifies the host MAC Address Displays the physical address of each bridge interface Default Interface Displays the default interface for the EMME s default gateway The default interface is the channel that is set up to handle message traffic to external networks This field defaults to four Default Gateway Displays the default gateway for the EMME This should be the IP address of a perimeter or border device that connects your network to the rest of the world The border device can be any device that is suitable for interfacing with external message traffic This field is not defined until an appropriate value is entered Console Application Displays the Console port s application setting as UNASSIGNED SLIP UPS or LM Modem Application Displays the Modem port s application setting as UNASSIGNED SLIP UPS or LM Baud Rate This field only appears when the Console Application or the Modem Application is set to SLIP Displays the Baud Rate setting of the device attached to the EMME through the CONSOLE or MODEM port The settings for this field are 19200 9600 4800 2400 1200 600 and 300 The default setting is 9600 Page 5 14 EMME USER S GUIDE THE SYSTEM LEVEL SCREEN 5 8 2 Setting the System Date To set the system date perform the fol
78. iver manual 3 Attach the male connector on the AUI cable Figure 3 3 to the appropriate AUI port on the EMME 4 Move the slide latch on the AUI port to secure it to the lock posts on the connector Figure 3 3 Connecting to the AUI Port EMME USER S GUIDE Page 3 7 4 TESTING THE EMME This chapter contains EMME testing procedures for before and after making network connections 4 1 PRE INSTALLATION TEST Before installing the EMME in a live network test the module in a controlled situation to insure that it is repeating bridging packets You can perform this test with two workstations Figure 4 1 using an MMAC FNB or MMAC MFENB installed with an EMME and a Media Interface Module MIM as follows 1 o EE m 23 Install the EMME and a MIM TPMIM THN MIM FOMIM CXRMIM FORMIM etc into a stand alone MMAC FNB Connect the first workstation to either the MIM using the appropriate cable and transceiver or to the EMME s AUI port using a transceiver and an AUI cable Connect the second workstation to the MIM using the appropriate cable Set the first workstation as the file server and the second as the client Refer to the workstation manuals for establishing one as a file server and one as a client You must assign a valid IP address to the EMME through Local Management Proceed by sending packets between them to verify that the EMME is operating properly I
79. ks unofficial IP addresses can be used allowing the network address to be unique only within that internal network This is not recommended by Cabletron The size of the Network ID is determined by the class of the IP address 1 9 2 Host ID Host IDs are assigned by the local administrator Since all hosts within the same network share the same Network ID each host must have a unique Host ID This allows for the identification of each host within the network based on this portion of the IP address The class of IP address used determines the size of the Host ID 1 9 3 Subnet Addresses Subnet addresses are used to partition an IP network into multiple subnetworks or subnets The use of Subnet addresses adds an additional layer of hierarchy to the IP addressing scheme This additional addressing layer facilitates isolation control and administration of users within the network This is done by grouping hosts into separate subnets Use of subnet addresses on the network means using a subnet mask in conjunction with each IP address EMME USER S GUIDE Page 1 17 CHAPTER 1 INTRODUCTION 1 9 4 Subnet Masks The purpose of the subnet mask is to indicate the part of the Host ID that is being used as a Subnet address By default no part of the Host ID is used and therefore the default or Natural Mask masks just the octets that comprise the Network ID Table 1 5 shows the default masks Table 1 5 Class and Default Masks
80. lowing steps 1 Use the arrow keys to highlight the System Date field 2 Enter the date ina MM DD YY format When entering the date in the system date field you do not need to add any separators between month day and year numbers as long as each entry uses two decimal numbers For example to set the date to 03 17 96 type 031796 in the System Date field 3 Press ENTER to set the system calender to the date in the input field 4 Use the arrow keys to highlight the SAVE command at the bottom of the screen and press ENTER If the date entered was a valid format the Event Message Line at the top of the screen displays SAVED OK If the entry was not valid Local Management does not alter the current value and refreshes the System Date field with the previous value 5 8 3 Setting the System Time To set the system clock perform the following steps 1 Use the arrow keys to highlight the System Time field 2 Enter the time in a 24 hour format HH MM SS When entering the time in the system time field you do not need to add any separators between hours minutes and seconds as long as each entry uses two decimal numbers For example to set the time to 6 45 a m type 0645007 in the System Time field 3 Press ENTER to set the system clock to the time in the input field EMME USER S GUIDE Page 5 15 CHAPTER 5 LOCAL MANAGEMENT 4 Use the arrow keys to highlight the SAVE command at the bottom of th
81. n address of the packet The simple forward filter decision process allows a bridge to segment traffic between two networks keeping local traffic local This process increases the availability of each network while still allowing traffic destined for the opposite side of the bridge to pass Bridges are also used to connect similar networks such as Ethernet Token Ring and Fiber Distributed Data Interface FDDI together Note that similar networks means that the upper five layers of the OSI model see Figure 1 2 are the same but may have different Data Link and Physical layers The Bridge operates at the Data Link level of the OSI model It stores packets and based on the packet destination address forwards or filters the packets Because bridges work at layer 2 of the OSI model bridges are protocol independent Bridges are slower than repeaters because a bridge must read the complete data frame check for errors and make forward or filter decisions based on recognized addresses stored in its source address table Y 7 APPLICATION 7 A 7 6 PRESENTATION 8o E 6 5 SESSION 5 i 5 4 TRANSPORT 4 A 4 3 NETWORK 3 BRIDGE 3 2 DATA LINK 2 Ia 2 1 PHYSICAL 1 1 gt 5 gt Figure 1 2 OSI Model EMME USER S GUIDE Page 1 11 CHAPTER 1 INTRODUCTION The bridge is considered a node on the network and performs store and forward functions for packets on each network This c
82. nd 2 Press SHIFT or until the desired Network Slot or Port appears 3 Press ENTER Statistics associated with the selected Network Slot or Port appear EMME USER S GUIDE Page 5 29 CHAPTER 5 LOCAL MANAGEMENT 5 13 4 Enabling Ports The Enable Port command lets you enable the port selected in the Port command You must first use the Port command to select the desired port To set the Port Enable command perform the following steps 1 Use the arrow keys to highlight the ENABLE PORT command at the bottom of the screen 2 Press ENTER 5 13 5 Disabling Ports The Disable Port command lets you Disable the port selected in the Port command You must first use the Port command to select the desired port To set the Port Disable command perform the following steps 1 Use the arrow keys to highlight the DISABLE PORT command at the bottom of the screen 2 Press ENTER Page 5 30 EMME USER S GUIDE 6 This chapter describes the MIB Navigator utility MIB Navigator is a feature of EMME Local Management 6 1 MANAGING DEVICE MIBS The MIB Navigator allows access to a command set from which you can configure and manage the EMME The MIB Navigator enables you to manage objects in the EMME s Management Information Bases MIBs MIBs are databases of objects used for managing the device and determining your EMME s configuration The commands within the MIB Navigato
83. ng software Table 3 1 lists the items shipped without the Routing option Table 3 1 Items Delivered With EMME Part Number Description Quantity 9372065 Cable RJ 45 to RJ 45 1 each 2190183 Download program 1 each 9990050 Disposable wrist strap 1 each 9030514 EMME User s Guide 1 each 9030834 Release Notes EMME Boot 1 each 9030746 Release Notes EMME 1 each Unpack the EMME as follows 1 Remove the shipping material covering the EMME in the shipping box 2 Carefully remove the module from the shipping box Leave the module in its conductive bag until you are ready to install it Save the shipping box and materials in the event the unit has to be reshipped 3 Visually inspect the module If there are any signs of damage contact Cabletron Systems Technical Support immediately EMME USER S GUIDE Page 3 1 CHAPTER 3 INSTALLING THE EMME 3 2 SETTING THE EMME MODE SWITCHES The bank of dip switches located at the top right of the EMME shown in Figure 3 1 should be set to their default positions when the module is shipped Check these switches to ensure that they are in the correct position for normal operation of the EMME EMME On 12345678 051440 Figure 3 1 EMME Dip Switches Page 3 2 EMME USER S GUIDE SETTING THE EMME MODE SWITCHES Switches should be positioned as follows Never adjust switch settings on the EMME while there is power applie
84. nnel A on the MMAC backplane to transmit and receive data TPRMIM FORMIM and CXRMIM Ethernet channels B and C transmit and receive packets over the Repeater Interface Controller RIC management bus on the FNB to these Cabletron Systems RIC MIMs These MIMs can repeat packets autonomously without channeling them through the EMME Third Party MIMs The EMME recognizes the third party MIMs listed below and provides each module with support concerning the statistics on the backplane and the control of channel selection for the entire module e CSMIM2 With supported connectivity for channels B C in an FNB chassis e MODMIM With supported connectivity for channels A B or C in an FNB chassis e CRM 3E With supported connectivity for channels A B or C in an FNB chassis e PCMIM With supported connectivity for channel A in any chassis e SNACMIM E With supported connectivity for channel A in any MMAC chassis Page 1 6 EMME USER S GUIDE ETHERNET MANAGEMENT MODULE OVERVIEW FDDI and Token Ring Modules The EMME recognizes the following FDDI and Token Ring modules but the EMME management does not provide control or statistics e CRM 3T e SNACMIM 32 e TRMIM 34A TRRMIM F2T e TRRMIM F3T With TRMMIM version 2 02 or greater both Token Ring and Ethernet modules can reside in the same chassis and support physical management capabilities of the Token Ring MIMs using the TRMMIM
85. ns available from this configuration For example if you do not have a device running on Channel A the EMME automatically disallows Channel A as a network selection SLOT This command lets you select the MMAC hub slot that you want to monitor The choices vary depending on the MMAC chassis you use The far right slot is always slot number one 1 PORT This command lets you select and view port statistics for ports 1 through 26 of the device residing in the selected slot 5 13 2 Selecting an Update Freq The EMME updates the Device Statistics Screen every three seconds by default The EMME allows you to adjust the frequency in intervals of 3 seconds The maximum update frequency is 99 seconds To adjust the Update Freq perform the following steps 1 Use the arrow keys to highlight the Update Freq command 2 Press SHIFT or until the desired time frequency appears this number increments decrements in 3 second intervals with a minimum of 3 seconds and a maximum of 99 seconds 3 Press ENTER to set the Update Freq 5 13 3 Selecting a Network Slot Port When the Device Statistics Screen first appears statistics are displayed for Network 1 Slot 1 and Port 1 To view statistics for another Network Slot and Port use the NETWORK x SLOT x or PORT x commands at the bottom of the screen To select a Network Slot or Port perform the following steps 1 Use the arrow keys to highlight the Network Slot or Port comma
86. ollisions field 5 28 Port Admin Status field 5 28 Port field 5 29 Port Seg Status field 5 28 Runt Packets field 5 28 Slot field 5 29 Update Freq field 5 28 Download OIDs A 3 E EMME firmware 1 3 installation 3 5 installation in MMAC 3 6 network connection 3 7 overview 1 2 requirements 2 1 unpack 3 1 environmental requirements C 4 INDEX 1 INDEX EPIMs EPIM A 2 4 EPIM C 2 4 2 4 EPIM F2 2 4 2 4 2 4 2 4 EPROM flash 4 Ethernet description 1 2 ports 1 6 F Figure 7 1 7 1 filter 1 12 G GET 1 15 Getting Help 1 22 H Host ID 1 17 Image File Download 1 IP address 1 16 L LANVIEW 7 2 LANVIEW LEDs BOK 7 2 CLN 7 3 ERR 7 2 location 7 1 ON 7 3 PWR 7 3 RCV 7 3 STBY 7 2 LANVIEW LEDs description of 7 2 INDEX 2 Local management cable setup 5 3 Password screen 5 7 VT terminal setup 5 2 M MAC address 1 19 management systems 1 19 MIB 1 16 access 6 2 description 6 1 hierarchy 6 1 managing devices 6 1 MIB Navigator Commands arp 6 11 branch 6 5 cd 6 5 ctron 6 6 defroute 6 12 done 6 17 exit 6 17 help 6 6 mib2 6 7 netstat 6 13 next 6 7 ping 6 14 pwd 6 8 quit 6 17 set 6 8 snmpbranch 6 14 snmpget 6 15 snmpset 6 15 su 6 9 traceroute 6 17 tree 6 10 whoami 6 10 MMAC description 1 4 FNB 1 2 shunting 1 4 mode switches Baud Rate Default switch 3 3 CADIC switch 3 3 Forced Download switch 3 3 location 3 2 MIMREV switch
87. ontrasts with a repeater which repeats the signal bit by bit from one side of the network to the other The bridge actually reads each packet checks the packet for accuracy then decides whether the packet should be sent to the other network based on the destination address If the other network is busy it is the responsibility of the bridge to store the packet for a reasonable time until the transmission can be made The bridge is also responsible for handling collisions If a collision happens as the bridge is transmitting onto the second network the bridge is responsible for the back off and retransmission process The original sending node is not made aware of the collision It assumes the packet has been sent correctly If the bridge is unable to send the packet to its final destination the original sending station expecting some response from the device it was attempting to contact will time out and depending on the protocol attempt retransmission 1 5 1 Filtering and Forwarding The bridge decides whether to forward or filter a packet based on the physical location of the destination device with respect to the source device A bridge dynamically learns the physical location of devices by logging the source addresses of each packet and the bridge port the packet was received on in a table called the Source Address Table SAT The EMME supports the Special Filtering Database This feature allows the networks manager to define b
88. ot warn you about unsaved changes and all unsaved changes will be lost 3 To Exit from EMME Local Management repeat steps 1 and 2 until the Main Menu screen appears 4 Use the arrow keys to highlight the EXIT command at the bottom of the Main Menu screen 5 Press ENTER The EMME Local Management Password screen appears and the Local Management session ends Page 5 10 EMME USER S GUIDE THE MAIN MENU SCREEN 5 6 THE MAIN MENU SCREEN The Main Menu screen is the starting point from which all the Local Management screens are accessed Figure 5 3 shows the Main Menu screen Event Message Line EMME Local Management Flash Image Version XX XX XX MAIN MENU SETUP MENU STATUS MENU DEVICE STATISTICS MIB NAVIGATOR 051446 Figure 5 3 The Main Menu The Main Menu screen displays the following menu items SETUP MENU The Setup Menu provides access to Local Management screens that are used to configure the EMME STATUS MENU Status Menu provides access to the Component Status screen which displays the operational and administrative status of EMME MIB components DEVICE STATISTICS The Device Statistics screen provides statistics and performance information for devices managed by the EMME in the network e MIB NAVIGATOR The MIB Navigator is a Local Management utility which allows the user to access monitor and set specific Management Information Base MIB items within the EMME Chapter 6 expl
89. quest a process status and grep for tftpd e g unix ps aux grep tftp The following information represents a typical output user 161 77 12 32 184 p3 5 12 00 grep tftp rot 87 00 09 48 136 5 11 05 tftp s The term tftp s located at the end of the root string indicates tftp is active If tftp is NOT running only the grep process appears 2 If you do NOT have a tftpboot directory than you must create one e g unix mkdir tftpboot 3 Ensure that the tftpboot directory is not owned e g unix chown nobody tftpboot Page A 2 EMME USER S GUIDE STANDARD LOCAL DOWNLOAD You must request a process status and grep for inetd to obtain the process ID number see Step 1 above Cabletron ships backup copies of the image file for all of its intelligent devices Cabletron includes the PKUNZIP utility for easy decompression of the zipped file The file suffixed with hex after it has been decompressed from a zip is for Standard Local Downloading through any port If you are using a UNIX workstation as a tftp server and you do not have a decompression utility that recognizes the PKZIP format you can obtain a copy of a UNIX decompression utility or the image file from the Cabletron Systems FTP server Contact Cabletron Technical Support for details Store the hex image file in the tftpboot directory as emme hex Edit the etc inetd conf file by removing anything prior to the tftpboot daemon e
90. r MIB Navigator command Not Applicable MIBNav gt help su Command su Format su lt Community Name gt Allows user to change his her community name in order to allow different access to the MIB 051459 EMME USER S GUIDE 2 Syntax Description Options Example next Syntax Description Options Example MIB NAVIGATOR COMMAND SET OVERVIEW mib2 The mib2 command allows you to move directly to the MIB II subtree 1 3 6 1 2 1 without entering the entire path Not Applicable MIBNav gt mib2 051460 next path The next command enables you to determine the next leaf in the specified path within the managed device s MIB Not Applicable MIBNav gt next 1 3 6 1 2 1 1 3 6 1 2 1 1 1 sysDescr String CtronRev X XX XX 051461 EMME USER S GUIDE Page 6 7 CHAPTER 6 MIB NAVIGATOR pwd Syntax Description Options Example set Syntax Description Page 6 8 pwd The pwd command displays the full path name for the directory in which you are currently working The directory will be displayed in ASCII format Not Applicable MIBNav gt pwd iso org dod internet mgmt mib 2 051462 set lt OID gt lt value gt The set command enables you to set the value of a managed object This command is valid only for leaf entries in the current MIB tree or for managed objects in the MIB If
91. r allow you to view and modify a device s objects The MIB Navigator views the MIB tree hierarchy as a directory Figure 6 1 Each layer is numerically encoded so that every branch group and leaf object in the MIB is identified by a corresponding number known as an Object Identifier OID This allows the MIB Navigator to navigate through the MIB and access the manageable leaf objects Objet 1 1 1 Group 1 D1 Object 1 1 2 Root 1 Group 1 2 Sues 155 Object 1 3 1 Object 1 3 2 Figure 6 1 Hierarchical MIB Tree Structure Often an ASCII name is assigned to a leaf object s OID making it more readable To identify the value for the object ip Forwarding you would use the OID 1 3 6 1 2 1 4 1 or its ASCII name 1so org dod internet mgmt mib 2 ip ipForwarding EMME USER S GUIDE Page 6 1 CHAPTER 6 MIB NAVIGATOR 6 2 ACCESSING THE MIB NAVIGATOR MIB Navigator is a feature of Local Management Refer to Chapter 5 of this manual for instructions about accessing Local Management To access the MIB Navigator screen perform the following steps 1 Use the arrow keys to highlight MIB NAVIGATOR menu item from the Main Menu screen Figure 6 2 shows the Main Menu screen Event Message Line EMME Local Management Flash Image Version XX XX XX MAIN MENU SETUP MENU STATUS MENU STATISTICS MENU NAVIGATOR 051481 Figure 6 2 The Main Menu Screen 2 Press ENTER The M
92. r is shown in this helvetica font e Command arguments are indicated by two types of brackets required arguments are enclosed by optional arguments are enclosed by lt gt EMME USER S GUIDE Page 6 3 CHAPTER 6 MIB NAVIGATOR MIB Navigator command conventions are as follows e To abort the output or interrupt a process the escape character is C where equals the Control key e A slash proceeding an OID issues that command from the root directory regardless of where you are in the MIB If no slash precedes the OID the command issues from your current MIB location e Dot notation 1 1 1 1 is equivalent to slash notation 1 1 1 1 Use slash notation with the navigational commands and the dot notation with the built in commands that are using SNMP to access and manage network devices MIB Navigation Commands are listed in the format shown below command Syntax This entry provides the format that the MIB Navigator command requires It indicates where arguments if any must be specified Description This entry briefly describes the command and its uses Options This entry lists any additional fields which may be added to the command and their format Example This entry shows an example of the command Page 6 4 EMME USER S GUIDE MIB NAVIGATOR COMMAND SET OVERVIEW 6 3 2 Navigation Commands Navigation commands allow you to move from MIB object to MIB object within the MIB tree branch Syn
93. ratus set out in the Radio Interference Regulations of the Canadian Department of Communications Le pr sent appareil num rique n met pas de bruits radio lectriques d passant les limites applicables aux appareils num riques de la class A prescrites dans le R glement sur le brouillage radio lectrique dict par le minist re des Communications du Canada VCCI NOTICE This equipment is in the 1st Class Category information equipment to be used in commercial and or industrial areas and conforms to the standards set by the Voluntary Control Council for Interference by Information Technology Equipment VCCI aimed at preventing radio interference in commercial and or industrial areas Consequently when used in a residential area or in an adjacent area thereto radio interference may be caused to radios and TV receivers etc Read the instructions for correct handling LOR THER At LA VCCI Et fio t ORMLAMROEAT EL 07x gt SRST EMA ET HGRA o EMME USER S GUIDE CABLETRON SYSTEMS INC PROGRAM LICENSE AGREEMENT IMPORTANT Before utilizing this product carefully read this License Agreement This document is an agreement between you the end user and Cabletron Systems Inc Cabletron that sets forth your rights and obligations with respect to the Cabletron softw
94. ridge filters above and beyond the normal source and destination filters The Special Filtering Database allows filters to be configured for source destination type field and a flexible 64 byte offset to filter on information within the data portion of the packet A 64 byte window of data can search the data portion of the packet to make filtering and forwarding decisions Page 1 12 EMME USER S GUIDE ROUTING FUNCTIONALITY 1 5 2 Spanning Tree Algorithm The Spanning Tree Algorithm STA is used by bridges to detect data loops duplicate data paths The bridges will then automatically break the loop and use the now blocked path as a backup in case the primary path fails When a bridge is powered up it goes through a series of self tests to check its internal operation During this time the bridge is in a standby condition and does not forward traffic Also during this standby period the bridge sends out special bridge management packets called configuration Bridge Protocol Data Packets BPDU Bridges use the BPDUs as a way of communicating with each other The purpose of the configuration BDPU is to notify other bridges on all of the connected networks of the current topology Based on the bridge priority and address the other bridges will automatically detect loops and negotiate a single path The bridge or bridges involved in this primary data path will then come on line and the bridges with lower priority involved in the backup path
95. ron Systems Inc All other product names mentioned in this manual may be trademarks or registered trademarks of their respective companies ay Printed on e recycled paper uw EMME USER S GUIDE This device complies with Part 15 of the FCC rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation NOTE This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment uses generates and can radiate radio frequency energy and if not installed in accordance with the operator s manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause interference in which case the user will be required to correct the interference at his own expense WARNING Changes or modifications made to this device which are not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment DOC NOTICE This digital apparatus does not exceed the Class A limits for radio noise emissions from digital appa
96. s MIMs includes the Repeater Interface Controller RIC which is an IEEE 802 3 compliant multi port repeater You can configure these modules to operate on either the Ethernet B or C bus via hardware jumpers or management software Software management overrides any hardware configuration setting RIC technology provides the MIM with an inter RIC bus allowing multiple RIC MIMs communicating over the RIC bus to act as a single logical repeater For example an Ethernet frame taking a path from one RIC MIM to the Inter RIC bus to another RIC MIM the frame being retimed and regenerated to all ports from the last RIC MIM has a path cost equivalent to only one repeater hop Since Ethernet networks are limited to four serially linked repeaters using the RIC repeater offers a significant advantage By using cascading RIC MIMs each of which support at least 13 cable segments you can build a much larger network than you could with stand alone repeaters EMME USER S GUIDE Page 1 5 CHAPTER 1 INTRODUCTION 1 2 3 Ethernet Channels and D The EMME supports up to four Ethernet channels provides management for the four channels and bridging between the ports The four EMME Ethernet channels access the same shared memory so that bridging between the channels occurs concurrently TPMIM FOMIM and THNMIM The EMME provides repeater functionality for these Cabletron Systems non repeater Media Interface Modules by using Ethernet cha
97. system of which the EMME will be part to ensure that the total system meets allowed limits of conducted and radiated emissions C 9 SERVICE MTBF gt 65 675 hrs projected MTTR lt 0 5 hrs C 10 PHYSICAL PROPERTIES Dimensions 34 04D x 29 21H x 2 54W cm 13 4D x 11 5H x 1 0W in Weight Unit 0 85 kg 1 87 165 Shipping 1 34 kg 2 95 165 Page C 4 EMME USER S GUIDE INDEX A AUI cable connection 3 7 AUI Port pin outs C 3 B BPDU 1 13 Bridge 1 11 Bridging description 1 10 functionality C 1 C Command Set 6 3 Community Name 1 15 Configuration Screen Baud Rate field 5 14 Channel field 5 14 Default Gateway field 5 14 Default Interface field 5 14 VF field 5 13 IP Address field 5 14 MAC Address field 5 14 Serial Port 1 Application field 5 14 Serial Port 2 Application field 5 14 Subnet Mask field 5 14 Configuring COM Port Operation 5 19 Console Port pin outs C 2 D Data Link Level 1 11 Default Gateway 1 19 Device Statistics Network selection 5 29 Port disable command 5 30 Port enable command 5 30 Port selection 5 29 set Update Freq 5 29 Slot selection 5 29 Device Statistics Screen Alignment Errors field 5 28 Bytes Received field 5 27 Collisions field 5 28 CRC Errors field 5 28 Disable Port field 5 28 Enable Port field 5 28 Errors Received field 5 27 Frames Filtered field 5 27 Frames Received field 5 27 Frames Transmitted field 5 27 Giant Packets field 5 28 Network field 5 29 OOW C
98. t for the UPS application EMME USER S GUIDE Page 5 1 CHAPTER 5 LOCAL MANAGEMENT 5 1 MANAGEMENT TERMINAL CONFIGURATION To access Local Management you need either a VT320 terminal or PC running VT terminal emulation software The following instructions explain how to configure a terminal to communicate with Local Management Refer to the terminal s user guide for more instructions if necessary To access the set up directory on a VT320 terminal press Table 5 1 lists the directory selections Table 5 1 VT320 Set Up Directory Selections Display Set up Columns gt 80 Columns Controls gt Interpret Controls Auto Wrap gt Scroll gt Text Cursor gt Cursor Style No Auto Wrap Jump Scroll Cursor Underline Cursor Style Mode ID Number Cursor Keys Power Supply gt General Set up VT300 7 Bit Controls VT320ID Normal Cursor Keys UPS DEC Supplemental Transmit Receive gt XOFF gt Bits Parity Stop Bit Local Echo Port Transmit Auto Answerback gt Communication Set up Transmit 9600 Receive Transmit XOFF at 64 8 bits No Parity 1 Stop Bit No Local Echo DEC 423 Data Leads Only Limited Transmit No Auto Answerback Keyboard Set Up Keys Typewriter Keys Auto Repeat any option Keyclick gt any option Margin Bell Margin Bell Warning Bell Warning Bell Page 5 2 EMME USER S GUIDE
99. tax Description Options Example cd Syntax Description Options Example branch path The branch command displays all of the leaves in the MIB tree below a specified path The information displayed includes the path name the object ASCII name the type of object 1 integer counter time tick etc and the current value of each leaf object Not Applicable MIBNav gt branch 1 3 6 1 2 1 7 udplnDatagrams COUNTER 38216 1 3 6 1 2 1 7 2 udpNoPorts COUNTER 0 1 3 6 1 2 1 7 3_ udplnErrors COUNTER 0 051456 cd path or cd option The cd command allows you to change directories within a MIB subtree branch The path specified must be valid or the cd operation will not be performed by the MIB Navigator Moves you one subtree above the current one Moves you to the root MIBNav gt iso org dod internet mgmt 051457 EMME USER S GUIDE Page 6 5 CHAPTER 6 MIB NAVIGATOR ctron Syntax Description Options Example help Syntax Description Options Example Page 6 6 ctron The ctron command allows you to change directories to the Cabletron MIB 1 3 6 1 4 1 52 without keying in the entire path Not Applicable MIBNav gt ctron 051458 help COMMAND The help command can provide general help on the usage of the MIB Navigator or may be used to get more detailed help about a particula
100. the sequence and the EMME requests IP address and filename from the BOOTP server When received the EMME requests a TFTP of the image The EMME will not function until the image is downloaded If the switch 6 position was changed inadvertently and the BootP state is not desired either press the EMME reset button cycle the chassis power or remove the EMME from the chassis and reinstall it m o For more information on configuring a station as a BOOTP server refer to the SPECTRUM Element Manager for Windows User s Manual e Switch 7 Non Volatile RAM Reset The EMME uses NVRAM to store user entered parameters such as IP addresses device name etc To reset these parameters to the factory defaults toggle this switch Once reset you can use the defaults or re enter your own parameters which will be stored in NVRAM when the EMME is powered down and remain there until the switch is toggled again Do not toggle Switch 7 unless you intend to reset the EMME user parameters to the factory default settings e Switch 8 Password Defaults When toggled this switch clears user entered passwords stored in NVRAM and restores the default passwords Once reset you can use the defaults or re enter your passwords Do not toggle Switch 8 unless you intend to reset the EMME user configured passwords to their factory default settings Page 3 4 EMME USER S GUIDE INSTALLING THE EMME 3 3 INSTALLING THE EMME
101. the IP Address field with the previous value 4 Repeat steps 1 3 to enter each Interface s IP address 5 Use the arrow keys to highlight the SAVE command 6 Press ENTER The Event Message Line at the top of the screen displays SAVED OK Page 5 16 EMME USER S GUIDE THE SYSTEM LEVEL SCREEN 5 8 5 Setting the Subnet Mask If the management workstation that will be receiving SNMP traps from the SNMP agent of the managed device is located on a separate subnet the subnet mask for the managed device must be changed from its default To change the subnet mask from its default value perform the following steps 1 Use the arrow keys to highlight the appropriate Subnet Mask field 2 Enter the subnet mask into this field using Decimal Dotted Notation DDN format For example 255 255 0 0 3 Press ENTER If the subnet mask entered was a valid format the cursor returns to the beginning of the Subnet Mask field If the entry was not valid the Event Message Line displays INVALID SUBNET MASK OR FORMAT ENTERED Local Management does not alter the current value and refreshes the Subnet Mask field with the previous value 4 Repeat steps 1 3 for each interface s subnet mask 5 Use the arrow keys to highlight the SAVE command 6 Press ENTER The Event Message Line at the top of the screen displays SAVED OK 5 8 6 Setting the Default Interface The default interface should be set to reflect the interface c
102. to provide repeater functionality for these MIMs The EMME is fully compliant with IEEE 802 3 standards and provides support for Spanning Tree IEEE 802 1d and DECnet Page 1 2 EMME USER S GUIDE ETHERNET MANAGEMENT MODULE OVERVIEW The EMME operates in conjunction with Cabletron Systems Repeater Interface Controller RIC Media Interface Modules MIMs by using the MMAC s Ethernet channels and The EMME is SNMP compliant and can be controlled and monitored by numerous SNMP Network Management packages both remotely and locally EMME firmware also supports Distributed LAN Monitor DLM and Full Remote Monitoring RMON groups including Alarms Events History Hosts Hosts Top N Statistics Matrix Captive and Filter The EMME also provides the following e 1960 RISC based processor e Four bridged routed Ethernet networks 802 1 D Spanning Tree and DEC Spanning Tree support e 802 3 compliance e Flash download capability for easy firmware downloads e Standard FTP download capability e LANVIEW diagnostic LEDs e Special Filtering Data Base Complete SNMP management capability MIB support including bridge RMON and MIBII e Complete packet and error breakdown for all four channels e Cabletron Systems Distributed LAN Monitoring DLM reducing management traffic between network devices and management platform e Cabletron Systems cable redundancy EMME USER S GUIDE Page
103. twork segment Ethernet Version 1 Version 2 or IEEE 802 3 type cables and do not exceed 50 meters in length 2 2 EMME INTHE MULTI MEDIA ACCESS CENTER The EMME is designed to be installed in the Cabletron Systems Multi Media Access Center MMAC The MMAC FNB Flexible Network Bus hub series provides the platform for multiple separately repeated Ethernet segments The FNB backplane provides two additional buses for Ethernet channels B and C The MMAC Ethernet A channel supports Cabletron s non repeater Ethernet modules while Ethernet channels B and C support Cabletron s family of repeater MIMs EMME USER S GUIDE Page 2 1 CHAPTER 2 NETWORK PLANNING AND CONFIGURATION 2 3 REPEATER MEDIA INTERFACE MODULES Repeater Media Interface Modules RMIMs also called RICMIMs for Repeater Interface Control MIMs shown in Figure 2 1 are based on Repeater Interface Technology that enables each of the modules to function as an independent 802 3 compliant multi port repeater The EMME communicates with the repeater MIMs over Ethernet channels B and C of the FNB The following repeater MIMs are currently available e CXRMIM coaxial version of the repeater MIM is equipped with twelve 10 5 2 coaxial connectors The module also includes an port e FORMIM 22 FORMIM 22 includes twelve FOIRL 1OBASE F ports with ST type connectors e TPRMIM 20 22 These MIMs are equipped with RJ45 connectors user
104. was not valid the Event Message Line displays INVALID DEFAULT GATEWAY OR FORMAT ENTERED Local Management does not alter the current value and refreshes the Default Gateway field with the previous value Use the arrow keys to highlight the SAVE command Press ENTER The Event Message Line at the top of the screen displays SAVED OK Page 5 18 EMME USER S GUIDE THE SYSTEM LEVEL SCREEN 5 8 8 Configuring Console and Modem Ports The EMME Console and Modem ports support the following applications Refer to the Release Notes included with the EMME to verify which Console and Modem Port applications are currently supported e Local Management connections American Power Conversion APC Uninterruptible Power Supply UPS connections Telnet connections to a wide area network via the Serial Line Internet Protocol SLIP e Unassigned applications for security reasons To configure the Console and Modem ports perform the following steps 1 Use the arrow keys to highlight the Console Application or the Modem Application field Use caution not to alter the settings of the port which is operating the current Local Management connection This could disconnect the Local Management terminal from the port and end the Local Management session EMME USER S GUIDE Page 5 19 CHAPTER 5 LOCAL MANAGEMENT 2 Press SPACEBAR or BACKSPACE to cycle through the available settings until the operation you require app
105. with Restricted Rights as defined in the DoD Supplement to the Federal Acquisition Regulations Section 52 227 7013 c 1 ii and its successors and use duplication disclosure by the Government is subject to restrictions as set forth in subparagraph c 1 ii of the Rights in Technical Data and Computer Software clause at 252 227 7013 Cabletron Systems Inc 35 Industrial Way Rochester New Hampshire 03867 iv EMME USER S GUIDE TABLE CONTENTS CHAPTER 1 INTRODUCTION USING THIS 1 1 ETHERNET MANAGEMENT MODULE OVERVIEW 1 2 1 2 1 Multi Media Access Center with Flexible Network Bus 1 4 1 2 2 Repeater Interface Controller Media Interface Modules 1 5 1 2 8 Ethernet Channels B C 1 6 1 2 4 Local 1 8 1 2 5 MIB Navigation 1 8 1 2 6 1 8 1 2 7 1 8 REPEATER 00 1 10 4 BRIDGING 1 10 5 MORE ABOUT 5 1 11 1 5 1 Filtering and Forwarding sees 1 12 1 5 2 Spanning Tree 2 4440222 1 13 16 ROUTING 1 13 17 COMMUNITY 2 2020004 000 0 000000 1 15 1 8 SNMP SIMPLE NE
106. y 37 us min Ageing Time 5 minutes default Filtering Database Acquired Database 8 191 max Permanent Database 1 023 max EMME USER S GUIDE Page C 1 Appendix EMME SPECIFICATIONS C 2 REPEATER FUNCTIONALITY Delay Times port x in to port x out Start of Packet Collision to JAM Preamble Input Preamble Output JAM Output Minimum Packet Repeated FAULT Protection CONSOLE PORT Type Standard RJ45 port Console Port Pinout 1 450 ns max 1 550 ns max Minimum of 40 bits to a max of 64 bits required 64 bits min last 2 bits are 1 1 If a collision occurs on one of the segments a pattern of 1 0 is sent to the other segments 96 bits including preamble Packet fragments are extended using the JAM 1 0 data pattern Each segment will disconnect itself from the other segments if 32 consecutive collisions occur or the collision detector of a segment is on for longer than approximately 2 4 ms This FAULT protection will reset automatically after one packet is transmitted onto the FAULT protected segment without causing a collision Pin 1 Transmit Data from console port Pin 2 Data Set Ready to console port Pin 3 Not used Pin 4 Receive Data to console port Pin 5 Signal Ground Pin 6 Data Terminal Ready from console port Pin 7 Not used Pin 8 Not used Page C 2 EMME USER S GUIDE C 4 MODEM PORT Type Standard RJ45 port Modem Port Pinout Pin 1
107. y occurs for several minutes the Password screen reappears and the password will have to be re entered Page 5 8 EMME USER S GUIDE NAVIGATING LOCAL MANAGEMENT SCREENS 5 5 NAVIGATING LOCAL MANAGEMENT SCREENS EMME Local Management consists of a series of menu screens You navigate through Local Management by selecting items from the menu screens EMME Local Management consists of the following menu screens e Main Menu screen e Setup Menu screen e Status Menu screen Figure 5 2 shows the hierarchy of Local Management screens System Level Setup Menu SNMP Community Names SNMPTraps Password Main Menu Status Menu Component Status Device Statistics MIB Navigator 051455 Figure 5 2 Hierarchy of Local Management Screens 5 5 1 Selecting Local Management Menu Screen Items To Select items on a Local Management menu screen perform the following steps 1 Use the arrow keys to highlight a menu item 2 Press ENTER The selected menu item appears on the screen EMME USER S GUIDE Page 5 9 CHAPTER 5 LOCAL MANAGEMENT 5 5 2 Exiting Local Management Screens To exit any of the Local Management screens perform the following steps 1 Use the arrow keys to highlight the RETURN command at the bottom of the Local Management screen 2 Press ENTER The previous screen in the Local Management hierarchy appears You can also exit Local Management screens by pressing ESC twice This exit method does n

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