Chapter 3 - Mangd Switch Software Monitoring
Contents
1. 512 1023 octet Packets The number of Ethernet packets received into this port that were between 512 and 1023 bytes in length 1024 1518 octet Packets The number of Ethernet packets received into this port that were between 1024 and 1518 bytes in length NETWORK STATISTICS Monitor the various counters and problem indicators maintained by the switch Port port 1 Statistics Ether like statistics Stat Current Change 1 Alignment Errors 0 0 2 FCS Errors 0 0 3 Single Collision Frames 0 0 4 Multiple Collision Frames 0 0 5 SQE Test Errors 0 0 6 Deferred Transmissions 0 0 7 Late Collisions 0 0 8 Excessive Collisions 0 0 9 Internal Mac Transmit Errors 0 0 10 Carrier Sense Errors 0 0 11 Frame Too Longs 0 0 12 Internal Mac Receive Errors 0 0 13 Symbol Errors 0 0 Status is updated every 5 seconds Last updated Tuesday September 27 2011 11 38 04 AM Ether like statistics The Ether like statistics provide information on possible hardware electrical and or noise problems on the network Alignment Errors These errors are more indicative of receiving the improper number of bits These errors are a good indication of noise and or electrical problems Check the wiring and routing of cables in the event that many of these errors are seen FCS Errors This is the error that results from an incorrect CRC calculation These errors along with the Alignment Errors indicate noise and or electrical problems Check the wi2. is detected If the device is unsuccessful after 16 times it will give up and that frame will not be transmitted Internal MAC Transmit Errors This error occurs when frames fail to be transmitted correctly due to an internal MAC sub layer transmit error Carrier Sense Errors This error occurs when the carrier sense is lost during a transmission from the Ethernet device The error only increments once during the transmission even if the carrier sense is lost and regained multiple times during that transmission Frame Too Long This error occurs when a frame is encountered that exceeds the maximum frame size Internal MAC Receive Errors This error occurs when frames fail to be received correctly due to an internal MAC sub layer receive error Symbol Errors These errors occur when the device could not correctly decode a symbol that has been received This is usually indicative of bad cabling and or electrical noise problems A symbol is a waveform change on the wire that may contain 1 or many bits of information Stride Industrial Ethernet Switches User Manual 2nd Ed Rev A 3 7 Stride Chapter 3 Managed Switch Software Monitoring Spanning Tree Status This section shows the current status of the Spanning Tree redundancy feature of the switch For more information on the particular details of the Spanning Tree features of the switch refer to the Spanning Tree Settings section under the Redundancy Settings sec
3. of frames no frames will be forwarded The reason for not entering frame relay immediately is to ensure that there are no temporary loops introduced when the network topology is changing During this state the switch will disable all learning states on its ports to prevent the race conditions when ports are changing roles and the forwarding process will discard all frames and not submit any frames for transmission Meanwhile BPDUs Configuration Messages Bridge Protocol Data Units can still be received and forwarded to keep the algorithm running Learning A port in this state is about to participate in frame relay but it is not involved in any relay of frames Frame relays are not performed to prevent the creation of temporary loops during the active topology of a changing bridged LAN In addition the forwarding process will discard all frames and not submit any frames for transmission The reason for enabling learning is to acquire information prior to any frame relay activities Information gathered will be used and placed in the filtering database MAC table to reduce the number of frames being unnecessarily relayed Forwarding A port in the forwarding state is currently participating in frame relay BPDUs will include the forwarding port in the computation of the active topology BPDUs received are processed according to the Spanning Tree algorithm and transmitted based on the hello time or BPDU information received RSTP Discardi
4. this port CRC Align errors The number of Ethernet packets received into this port with an invalid CRC Undersize packets The number of Ethernet packets received into this port that were less than 64 bytes in size but contained a valid CRC 64 bytes is the minimum required in Ethernet e Oversize packets The number of Ethernet packets received into this port that were greater than 1536 bytes in size but contained a valid CRC 1536 is the maximum size allowed in Ethernet Fragments The number of Ethernet packets received into this port that were less than 64 bytes in size and did not contain a valid CRC Jabbers The number of Ethernet packets received into this port that were greater than 1536 bytes in size and did not contain a valid CRC Collisions The number of collisions detected on this port Stride Industrial Ethernet Switches User Manual 2nd Ed Rev A 3 5 Strid Chapter 3 Managed Switch Software Monitoring 64 octet Packets The number of Ethernet packets received into this port that were 64 bytes in length 65 127 octet Packets The number of Ethernet packets received into this port that were between 65 and 127 bytes in length 128 255 octet Packets The number of Ethernet packets received into this port that were between 128 and 255 bytes in length 256 511 octet Packets The number of Ethernet packets received into this port that were between 256 and 511 bytes in length
5. AC address 00 a0 1d 50 39 57 Uptime 05 days 05 07 02 System Information Status is updated every 5 seconds Last updated Tuesday September 27 2011 12 17 47 PM x http 192 168 0 1 cgi bin sysinfo cai C3 internet fg gt 100 Model This field shows the model number of this particular switch It is set by the factory and cannot be changed Description This field displays more descriptive information about this particular switch model It is also set by the factory and is not changeable This data is available via SNMP as SYSTEM SYSDESCR 0 System Name This field is configured by the user with the appropriate text for their application It is configured in the System Settings tab under the Main Settings section This field is also used as the hostname of the switch and therefore must contain only digits dashes and letters It is also available via SNMP as SYSTEM SYSNAME O Switch Location This field is configured by the user with the appropriate text for their application It is configured in the System Settings tab under the Main Settings section This data is available via SNMP as SYSTEM SYSLOCATION 0 Contact This field is configured by the user with the appropriate text for their application It is configured in the System Settings tab under the Main Settings section This data is available via SNMP as S YSTEM SYSCONTACT O0 IPv4 address This field displays the current configured IPv4 address
6. IPv4 is the traditional 4 octet Internet Protocol address An IPv4 address comprises 4 8 bit numbers separated by a period Each number can be between 0 and 255 some of the fields have more strict 3 2 Stride Industrial Ethernet Switches User Manual 2nd Ed Rev A Chapter 3 Managed Switch Software Monitoring a limitations The IPv4 address can be manually configured in the System Settings tab under the Main Settings section or the address can be set to be automatically retrieved using the DHCP protocol If the address has been configured via DHCP it will indicate this This field also indicates the Subnet Mask by using the slash notation that indicates the number of bits that are 1 in the mask For example A Subnet Mask of 255 255 0 0 would be indicated bya 16 A Subnet Mask of 255 255 255 0 would be indicated by a 24 and so on The subnet mask is accessible via SNMP as RFC1213 MIB IPADENT NETMASK lt IPADDRESS gt where lt IPADDRESS gt is the IP address of the switch example 192 168 0 1 IPv6 address This field displays the current configured IPv6 address IPv6 is the newer standard of Internet Protocol addressing that greatly expands the number of addressing possibilities Instead of the standard 4 x 8 bit address format that is used IPv4 IPv6 uses 8 fields of 16 bit values separated by colons Each address display in hex format If one particular fields contains a 0 a can be used An IPv6 address can also be r
7. MANAGED SWITCH CHAPTER SOFTWARE MONITORING In This Chapter System Information cis celda ROCHE ARRA ERE PU RR ad Ee 3 2 Port and Power Status scc pg n cee een b Pret a 3 4 Network Statistics 1 coule lle kg ed eee P dade ew nes 3 5 Spanning Tree Status 20 ccc cc ee hn 3 8 Real Time Ring Status 2 256665 isis eee bee eb ene dee eee aes 3 10 Multicast Filtering Status 22 0 ccc eee eee eee eens 3 11 IGMP Port Status 6 ee A eee eens 3 11 IGMP Group Status 2 6 eee hun 3 12 MAC Table ci ais V4 43 eee RC eee a Oe Rode ares 3 13 Stride Chapter 3 Managed Switch Software Monitoring System Information The System Information screen simply provides the information shown below The screen is updated every five seconds System Information 192 168 0 1 connected through port 4 Windows Internet Explorer LN cv 88 hetp 192 168 0 1 JEE EE File Edit View Favorites Tools Help e System Information 192 168 0 1 connected throug Stride SYSTEM INFORMATION MN a The following information describes the switch being accessed Model SE SW5M AUTOMATIONDIRECTI Description SE SW5M Industrial Ethernet Managed Switch System name SE SW5M Switch location Set location of switch Contact Set name and e mail of contact for switch IPv4 address 192 168 0 1 24 IPv6 address fe80 2a0 1dff fe50 a957 64 Default gateway None Serial number 1045227 Firmware revision 5 0 174 M
8. ed in more detail in the Multicast Filtering IGMP configuration section IGMP version Displays the configured version of IGMP for this switch The choices are Version 1 or Version 2 The specific details of these versions are discussed in more detail in the Multicast Filtering IGMP configuration section Querier Indicates what device is sending out IGMP query messages When the switch is set to Active IGMP handling the Querier will most often be this same switch Stride Industrial Ethernet Switches User Manual 2nd Ed Rev A 3 1l1 Strid Chapter 3 Managed Switch Software Monitoring IGMP Group Status Group Displays the Multicast IP address of a particular multicast group Port Displays the port that the particular multicast group is active on Reporter Displays the IP address of the last host to report membership in this group on this port Hosts send IGMP reports to a switch or router for the purpose of having the switch or router include them into a particular multicast group Age The number of seconds since this group was last reported on this port Expiration The number of seconds until this group will be dropped unless a new report is received 3 1 2 Stride Industrial Ethernet Switches User Manual 2nd Ed Rev A Chapter 3 Managed Switch Software Monitoring MAC Table The MAC address table page displays the current MAC address table of the switch This data can be filte
9. etrieved by DHCP This field also uses the designator for the subnet mask Default Gateway This field contains the IP address of the router that this switch should send external packets to This address can be assigned manually in the System Settings tab under the Main Settings section or can be retrieved automatically through DHCP The default gateway is accessible via SNMP as RFC1213 MIB IPROUTENEXTHOP Serial Number This is the serial number assigned to this switch at the factory and cannot be changed Firmware revision This is the current running firmware revision of this switch MAC address This is the MAC address of this switch It is configured at the factory and cannot be changed Uptime This is the amount of time this switch has been running since power was applied This data is available via SNMP as SYSTEM SYSUPTIME 0 Stride Industrial Ethernet Switches User Manual 2nd Ed Rev A 3 3 Stride Chapter 3 Managed Switch Software Monitoring Port and Power Status The current status of each port and the Power and Ok terminal status can be viewed in this section Port and Power Status 192 168 0 1 connected through port 4 Windows Internet Explorer DEAR Gc jw 8 hee 192 168 0 1 B3 4 x SH soos File Edit view Favorites Tools Help Port and Power Status 192 168 0 1 connected thr PORT AND POWER STATUS View the current operational status of the ports and po
10. g Status This section shows the current IGMP Multicast Filtering Status For more information on the particular details of the Multicast Filtering features of the switch refer to the Multicast Filtering IGMP section of this document IGMP Group Status 192 168 0 1 connected through port 4 Windows Internet Explorer g9 8 betp 192 168 0 1 Fie Edit View Favorites Tools Help IGMP Group Status 192 168 0 1 connected throug IGMP GROUP STATUS View IGMP routing status Page IGMP Port Status AUTOMATIONDIRECT IGMP mode Active IGMP handling Multicast suppression All unreserved multicast IGMP version 2 Port Name Querier 1 port 1 This switch 2 port 2 This switch port 3 This switch port 4 This switch Multicast Filtering Status port_5 This switch Status is updated every 5 seconds Last updated Tuesday September 27 2011 12 24 36 PM http 192 168 0 1 cgi binfigmpstat cgi Ly internet IGMP Port Status IGMP mode Displays the configured mode of IGMP handling The three choices are IGMP disabled Passive IGMP handling and Active IGMP handling The specific details of each mode are discussed in more detail in the Multicast Filtering IGMP configuration section Multicast suppression Displays the configured mode of Multicast suppression The three choices are None IP multicast groups and All unreserved multicast The specific details of each mode are discuss
11. ion Summary Page provides a complete overview of the configuration settings of the switch The summary is generated in a print friendly format If an NTP Network Time Protocol server is configured the report will also report a timestamp To save these settings to a configuration file click the Save these settings button to be redirected to the Configuration Management screen Configuration Summary 192 168 0 1 connected through port 4 Windows Internet Explorer Go 189 htp 192 168 0 1 R s x SB cooo File Edit View Favorites Tools Help e Configuration Summary 192 168 0 1 connected thr CONFIGURATION SUMMARY This page provides an overview of configuration settings Use the Print function of your browser to print a hard copy of these settings Switch clock not set report time unknown Configure an NTP server to get report AUTOMATIONDIRECTI timestamps GENERAL SWITCH INFO Model SE SW5M Serial Number 1045227 Firmware Revision 5 0 174 MAC Address 00 a0 1d 50 a9 57 Uptime 05 days 05 15 11 MAIN CONFIGURATION Configuration Summary Name SE SW5M Location lt Set location of switch gt Contact lt Set name and e mail of contact for switch gt http 192 168 0 1 cgi bin allconf cgi Le internet NOTE This page is for viewing settings only To change settings please go to the individual configuration screens 3 14 l Stride Industrial Ethernet Switches Use
12. n of the type of traffic and packets that the switch is receiving Network Statistics 192 168 0 1 connected through port 4 Windows Internet Explorer go htn 192 168 0 1 valt x co Fie Edit View Favorites Tools Help e Network Statistics 192 168 0 1 connected through NETWORK STATISTICS s Fei Help Monitor the various counters and problem indicators maintained by the switch Port port_1 Statistics RMON statistics v brought to you by AUTOMATIONDIRECT Stat Drop Events Octets Packets Broadcast Packets Multicast Packets CRC Align Errors Undersize Packets Oversize Packets 9 Fragments 10 Jabbers 11 Collisions 12 64 octet Packets 13 65 127 octet Packets 14 128 255 octet Packets http 192 168 0 1 cgi bin netstat cgi Ly internet 2 3 oz o Fi Network Statistics 1 2 3 4 5 6 i 8 ooooooooooooc oooooooooooooo o RMON Statistics RMON stands for Remote Monitoring statistics and includes the following Drop Events The number of packets that have been dropped by the switch because of a lack of resources and or large queues Octets The number of data 8 bit units received into this port Packets The number of Ethernet packets received into this port Broadcast packets The number of broadcast packets received into this port Multicast packets The number of multicast packets received into
13. ng In this state station location information is not added to the Filtering Database MAC table because any changes in port role will make the Filtering Database information inaccurate Learning In this state information is being added to the Filtering Database under the assumption that the port role is not changing Gathering information before frame relay forwarding state will reduce the number of frames sent out when entering the forwarding state Forwarding Frames will be forwarded to and from the particular port that is in the forwarding state In addition during the forwarding state the learning process is still incorporating station information into the Filtering database Cost The cost of using this port to reach other parts of the managed network The cost is used in calculating the best path from the switch to the root bridge The lower the cost the more likely that the path will be used See the configuration section for Spanning Tree settings for more detail Stride Industrial Ethernet Switches User Manual 2nd Ed Rev A 3 9 Stride Chapter 3 Managed Switch Software Monitoring Real Time Ring Status Each ring that is configured is assigned a number and can be given a name For more information on the Real Time Ring feature refer to the Real Time Ring Settings section under the Redundancy Settings section of this document Real Time Ring Status 192 168 0 1 connected through port 4 Windows In
14. r Manual 2nd Ed Rev A
15. red by the Filter Database ID FID Values that are applied as the devices are encountered no other significance to the value the port s of discovery or by all or part of the MAC address Please note that Port 33 or 65 is the internal CPU port depending upon the model Entries in the MAC table will time out after 300 seconds of inactivity Alternatively the MAC table can be flushed by power cycling the switch MAC Table 192 168 0 1 connected through port 4 Windows Internet Explorer BEE Go 8 tp 192 168 0 1 BS 4 gt lt File Edit View Favorites Tools Help MAC Table 192 168 0 1 connected through port 4 MAC TABLE This is a list of each MAC address known to the device along with the Filtering Database ID that it belongs to the reason that the device knows it and the port on Dohle yon by which it was discovered AUTOMATIONDIRECT i Filter by ID Port MAC Refresh Table FDB Size 29 Filter Matches 29 Truncated 0 ID Port Status MAC Address c Self 00 a0 1d 50 a9 51 NONE Self 01 80 c2 00 00 08 MAC Table NONE Self 01 80 c2 00 00 09 NONE Self 01 80 c2 00 00 0b NONE Self 01 80 c2 00 00 06 NONE Self 01 80 c2 00 00 07 http 192 168 0 1 safe mactable html B internet Stride Industrial Ethernet Switches User Manual 2nd Ed Rev A 3 13 Stride Chapter 3 Managed Switch Software Monitoring Configuration Summary The Configurat
16. ring and routing of cables in the event that many of these errors are seen Single Collision Frames This error occurs when only 1 collision occurs and the sending device is able to send the packet on the subsequent attempt Multiple Collision Frames This error occurs when collisions occur on more than 1 attempt to send a packet from a device SQE Test Errors The Signal Quality Error test verifies that the collision detection circuit is working correctly If the device does not detect the SQE test this causes an error 3 6 Stride Industrial Ethernet Switches User Manual 2nd Ed Rev A Chapter 3 Managed Switch Software Monitoring EE Deferred Transmissions A deferred transmission occurs when the device detects a carrier signal a device is already transmitting Late Collisions In some situations a collision is not detected until after the Ethernet device has started transmitting the packet This is called a Late Collision A Late Collision is more specifically defined as a collision that is detected 51 2 microseconds after the device has started sending on a 10BASE T network and 5 12 microseconds on a 100BASE T network Late collisions are usually caused by improper network configurations compliance issues between devices incorrect cabling and or fault Network Interface Cards Excessive Collisions As part of the CSMA CD mechanism an Ethernet device will attempt to re transmit a frame 16 times if a collision
17. s changed on the network layout There are a number of things that can cause the topology to change If the link is lost on a port that is forwarding and the switch has to change its path this will cause a topology change If a Topology Change Notice is received by the switch from some other switch the counter will also increment Time since last chg Informs how long it has been since the last topology change occurred Port The number of the port This corresponds to the labels on the switch 3 8 Stride Industrial Ethernet Switches User Manual 2nd Ed Rev A Chapter 3 Managed Switch Software Monitoring a Name The user configured name of the port Status The configured state of the port in the STP protocol included or excluded An included port is part of the managed network An excluded port will not be used as part of the managed network For example a single uplink from a managed network of factory devices to a business network would be configured to be excluded from STP use A pair of ports configured for Real Time Ring should be excluded from Spanning Tree State The STP RSTP state of the port STP Blocking A port in this state does not participate in frame relay pass frames received to other locations Once a port is in this state it prevents frame duplication caused by multiple paths in an active topology Listening A port in this state is about to participate in frame relay but is not involved in any relay
18. ternet Explorer BEE Gc L2 e ttp 192 168 0 1 x Allt S coo Fie Edit view Favorites Tools Help 89 Real Time Ring Status 192 168 0 1 connected thro REAL TIME RING STATUS Monitor the status of ring redundancy if enabled brought to you by Ring Name Primary Port Primary Link Backup Port Backup Link Status AUTOMATIONDIRECT No rings are configured Status is updated every 5 seconds Last updated Tuesday September 27 2011 12 23 47 PM Real Time Ring Status http 192 168 0 1 cgi binjringstat cgi Lg internet On this page green hightlight on the ring number indicates the ring is complete red indicates the ring is broken On the Port green indicates both ends of the link are connected and communicating Red indicates on side of the link is not connected or communicating For each ring configured a Primary port is assigned and a Backup port if the Primary port is disrupted The Ring Status page shows the status of the Primary port its Link status the status of the Backup port and its Link status The Status field indicates whether the Ring is complete or if there is a break in the Ring If the Ring is broken at the switch being monitored it will indicate Local If the Ring is broken at another switch it will indicate Remote 3 0 Stride Industrial Ethernet Switches User Manual 2nd Ed Rev A Chapter 3 Managed Switch Software Monitoring Multicast Filterin
19. tion of this document Spanning Tree Status 192 168 0 1 connected through port 4 Windows Internet Explorer Go e 1p 192 168 0 1 File Edit View Favorites Tools Help 489 Spanning Tree Status 192 168 0 1 connected thro SPANNING TREE STATUS Monitor the status of Rapid Spanning Tree Protocol or Spanning Tree Protocol if enabled brought to you by Redundancy protocol RSTP AUTOMATIONDIRECT Designated root 32 768 00 a0 1d 50 a9 57 this switch Topology changes 6 Time since last chg 00 days 00 28 29 Port Name Status State Cost 1 port 1 Included Unlinked 200 000 2 port 2 Included Unlinked 200 000 3 port 3 Included Unlinked 200 000 Spanning Tree Status Bl port_4 Included Forwarding 200 000 5 port 5 Included Unlinked 200 000 Status is updated every 5 seconds Last updated Tuesday September 27 2011 12 20 32 PM http 192 168 0 1 cgi bin stpstat cai Le Internet On this page the color highlighting the port number indicates the speed Yellow 10 Mbps Green 100 Mbps Red 1000 Mbps Redundancy protocol This is the protocol that the switch has been configured for The selections available are Spanning Tree Protocol Rapid Spanning Tree Protocol or None Designated root This field specifies which device is the Root switch and what the Bridge ID of that switch is along with the MAC ID Topology changes This counter tracks the number of times that the topology ha
20. wer inputs brought to you by PORT STATUS AUTOMATIONDIRECT Port Name Admin Link Negotiation Speed Duplex 1 port 1 Enabled Down Auto 0 2 port 2 Enabled Down Auto 0 3 port 3 Enabled Down Auto 0 I port 4 Enabled Up Auto 100f 5 port 5 Enabled Down Auto 0 Port and Power Status POWER STATUS Status is updated every 5 seconds Last updated Tuesday September 27 2011 12 18 24 PM http 192 168 0 1Jcgi bin portstat cgi C3 internet Port Status The status for each port can be viewed in this section Some of the information shown for the ports is configured through the Port Settings tab of the Main Settings section If the negotiation settings have been set to Auto this tab will show what settings were negotiated between the switch and the attached device On this page the color highlighting the port number indicates the speed Yellow 10 Mbps Green 100 Mbps Red 1000 Mbps Power Status There are 2 power input terminals for the input 24VDC This tab will show which terminals have power This tab will also show if the criteria for enabling the OK output is true or false The configuration for this output is configured in the Alarm OK Output tab of the Monitoring Settings section 3 H Stride Industrial Ethernet Switches User Manual 2nd Ed Rev A Chapter 3 Managed Switch Software Monitoring Network Statistics The Network Statistics display can be a very useful diagnostic tool for indicatio
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