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User Manual Redundancy Configuration L2E

1. The port is either connected or not connected The displays in the Information frame mean see fig 9 Redundancy guaranteed One of the lines affected can fail as a redundant line will then take over the function of the failed line Configuration failure The function is incomplete or incorrectly configured Redundancy L2E Release 4 1 03 08 29 Redundant coupling 3 2 Configuring the redundant coupling fh HIRSCHMANN RingiNetwork Coupling A Belden Company Select Configuration A EA sTanD Ev 4 a5 STAND BY E ES stano ev STAND BY 57 Select Port S Module Port Coupling port h z fe Port mode stand by Partner coupling port Port mode fect Port state fnot c Redundancy Mode Coupling Mode C Redundant RingMetwork Coupling Ring Coupling Extended Redundancy Network Coupling Set Reload Delete coupling configuration Help Figure 9 Selecting the port and enabling disabling operation Note The following settings are required for the coupling ports you select the Basic Settings Port Configuration dialog Port on Automatic configuration autonegotiation on for twisted pair connections Manual configuration 100 Mbit s FDX for glass fiber connections Note If VLANS are configured note the VLAN configuration of the coupling and partner coupling ports In the Network Ring Coupling configuration select for the coupling and
2. coupling ae 2 Coupling port port STAND BY Figure 23 Two Switch coupling with control line The following settings apply to the Switch displayed in blue in the selected graphic C Select the coupling port see fig 22 see table 10 With Coupling port you specify at which port you are connecting the network segments LI If the STANDBY DIP switch is ON connect the main line to the coupling port LI Select the control port see fig 22 see table 10 With Control port you specify at which port you are connecting the control line Note Configure the coupling port and the HIPER Ring ports on different ports O Activate the function in the Operation frame see fig 22 L You now connect the redundant line and the control line Redundancy L2E 44 Release 4 1 03 08 Redundant coupling 3 2 Configuring the redundant coupling The displays in the Select port frame mean see fig 22 Port mode The port is either active or in stand by mode Port state The port is either connected or not connected IP Address The IP address of the partner if the partner is already operating in the network The displays in the Information frame mean see fig 22 Redundancy guaranteed One of the lines affected can fail as a redundant line will then take over the function of the failed line Configuration failure The function is incom
3. and System Name Configuration of the network address range and SNMP parameters Saving the configuration on the device Simultaneous configuration of multiple devices Configuration of the port display color red for a connection error Redundancy L2E Release 4 1 03 08 5 Key Key The designations used in this manual have the following meanings List O Work step Subheading Link Indicates a cross reference with a stored link Note A note emphasizes an important fact or draws your attention to a dependency Courier ASCII representation in user interface S Execution in the Web based Interface user interface Execution in the Command Line Interface user interface Symbols used Router with firewall Switch with firewall Li Router Switch Bridge H Hub Pk Redundancy L2E Release 4 1 03 08 O Key Configuration Computer A random computer o Server PLC il Programmable logic Eee controller I O Robot Redundancy L2E Release 4 1 03 08 Key Redundancy L2E 8 Release 4 1 03 08 Introduction 1 Introduction The device contains a range of redundancy functions HIPER Ring Redundant coupling of HIPER Rings and network segments Rapid Spanning Tree Algorithm RSTP Three tools are available for operating these functions Web based Management supplied with the Switch for convenient agent configuration see Reference Manual Web based Interface Command Line
4. for example to reduce the network load in subareas to set up redundant connections and to overcome distance limitations However using multiple bridges with multiple redundant connections between the subnetworks can lead to loops and thus the total failure of the network To prevent this the Rapid Spanning Tree Algorithm was developed The Rapid Spanning Tree Protocol RSTP enables redundancy by interrupting loops RSTP is a further development of the Spanning Tree Protocol STP and is compatible with it If a connection or a bridge fails the STP requires up to 30 seconds to reconfigure This was no longer acceptable in time sensitive applications The STP was therefore developed into the RSTP leading to reconfiguration times of less than a second Note Standards dictate that all the bridges within a network work with the Rapid Spanning Tree Algorithm However if STP and RSTP are used at the same time the advantages of faster reconfiguration with RSTP are lost Redundancy L2E Release 4 1 03 08 49 Rapid Spanning Tree 4 1 The Spanning Tree Protocol 4 1 The Spanning Tree Protocol Because RSTP is a further development of the STP all the following descrip tions of the STP also apply to the RSTP 4 1 1 The tasks of the STP The Spanning Tree Algorithm reduces network topologies that are set up using bridges and that have ring structures with redundant connections to a tree structure In doing this STP divides up the
5. BID without MAC Address Root path Interrupted path Figure 33 Example of manipulating the tree structure Redundancy L2E 60 Release 4 1 03 08 Rapid Spanning Tree 4 6 The Rapid Spanning Tree Protocol 4 6 The Rapid Spanning Tree Protocol The RSTP takes over the calculation of the tree structure by the STP un changed RSTP merely changes parameters and adds new parameters and mechanism that speed up the reconfiguration in the case of a failure The ports play a significant role in this context 4 6 1 Port roles RSTP assigns each bridge port one of the following roles see fig 34 Root port This is the port at which a bridge receives data packets with the lowest path costs from the root bridge If there are multiple ports with the same low path costs the bridge identifier determines which port is the root port If there are multiple ports with the same low path costs and the same bridge identifier the port identifier determines which port is the root port see fig 30 The root bridge does not have a root port Designated port The bridge in a network segment that has the lowest root path costs is the designated bridge If multiple bridges have the same root path costs then the bridge with the smallest value for the bridge identifier becomes the designated bridge The port on this bridge that connects it to a network segment that leads from the root bridge is the designated port Edge port Every n
6. Interface supplied with the Switch for setting elementary functions see reference manual Command Line Interface HiVision Network Management for convenient cross agent configuration see manual HiVision Hirschmann Network Management Redundancy L2E Release 4 1 03 08 9 Introduction 1 1 Comparison of the redundancy procedures 1 1 Comparison of the redundancy procedures RSTP HIPER Ring HIPER Ring Redundant Link aggrega Version 1 2 Version 3 coupling tion Switching time lt 30s lt 0 5s lt 10 ms typically 0 15s typically lt 1 s Practically in With 5 Switch STP lt 30s dependentof es in the ring depends the number of With more heavily on the Switches than 5 Switch number of es the switch Switches ing time increases Network topol Random struc Ring Ring Coupling of Coupling of ogy ture network seg network seg ment rings via ments via mul a main line tiple active and a redun lines with dant line dynamic load distribution Table 1 Features of the redundancy procedures Redundancy L2E 10 Release 4 1 03 08 HIPER Ring 2 HIPER Ring The concept of the HIPER Ring enables the construction of high availability ring shaped network structures Using the RM function Redundancy Manager of a Switch with the L2E L2P L3E or L3P software you can close both ends of a backbone in a line structure to a redundant ring the HIPER Ring see fig 1 Within a HIPER Ring Version 1 any combinatio
7. LI If the STANDBY DIP switch is OFF connect the main line to the coupling port Switch Coupling port RS2 Not possible RS2 16M Adjustable for all ports default setting port 1 RS20 Adjustable for all ports default setting port 1 4 RS30 Adjustable for all ports default setting port 1 4 RS40 Adjustable for all ports default setting port 1 4 MICE Adjustable for all ports default setting port 1 4 PowerMICE Adjustable for all ports default setting port 1 4 MS 20 Adjustable for all ports default setting port 1 4 MS 30 Adjustable for all ports default setting port 2 4 RSR20 30 Adjustable for all ports default setting port 1 4 MACH 1000 Adjustable for all ports default setting port 1 4 MACH 3000 Adjustable for all ports MACH 4000 Adjustable for all ports default setting port 1 4 Table 9 Port assignment for the redundant coupling Redundancy L2E 34 Release 4 1 03 08 Redundant coupling 3 2 Configuring the redundant coupling Note Configure the coupling port and the HIPER Ring ports on different ports C Activate the function in the Operation frame see fig 15 LI You now connect the redundant line The displays in the Select port frame mean see fig 15 Port mode The port is either active or in stand by mode Port state The port is either connected or not connected IP Address The IP address of the partner if the partner is already operating in the network The
8. Tree Readers comments Index Further support 61 61 63 63 64 65 73 75 77 Redundancy L2E Release 4 1 03 08 About this Manual About this Manual The Redundancy Configuration user manual contains all the information you need to select a suitable redundancy procedure and configure it The Basic Configuration user manual contains all the information you need to start operating the device It takes you step by step from the first startup operation through to the basic settings for operation in your environment The Installation user manual contains a device description safety instruc tions a description of the display and all the other information that you need to install the device before you begin with the configuration of the device The Industry Protocols user manual describes how the device is connected by means of a communication protocol commonly used in the industry such as EtherNet IP and PROFINET The Web based Interface reference manual contains detailed information on using the Web interface to operate the individual functions of the device The Command Line Interface reference manual contains detailed informa tion on using the Command Line Interface to operate the individual functions of the device The Network Management Software HiVision provides you with additional options for smooth configuration and monitoring Event logbook Configuration of System Location
9. components or the associated operating software In addition we refer to the conditions of use specified in the license contract Printed in Germany Hirschmann Automation and Control GmbH Stuttgarter Str 45 51 72654 Neckartenzlingen Germany Tel 49 1805 141538 Rel 4 1 01 0308 17 4 08 Content Content 4 2 4 3 4 4 4 5 About this Manual Key Introduction Comparison of the redundancy procedures HIPER Ring Configuring HIPER Ring Version 1 Configuring HIPER Ring Version 2 MRP Draft Redundant coupling The variants of redundant coupling Configuring the redundant coupling 3 2 1 STAND BY switch 3 2 2 One Switch coupling 3 2 3 Two Switch coupling 3 2 4 Two Switch coupling with control line Rapid Spanning Tree The Spanning Tree Protocol 4 1 1 The tasks of the STP 4 1 2 Bridge parameters 4 1 3 Bridge Identifier 4 1 4 Root Path Costs 4 1 5 Port Identifier Rules for creating the tree structure 4 2 1 Bridge information 4 2 2 Setting up the tree structure Example of specifying the root paths Example of manipulating the root paths Example of manipulating the tree structure Redundancy L2E Release 4 1 03 08 11 13 17 21 22 24 24 27 40 49 50 51 51 52 53 54 54 54 56 58 60 Content 4 6 The Rapid Spanning Tree Protocol 4 6 1 Port roles 4 6 2 Port states 4 6 3 Spanning Tree Priority Vector 4 6 4 Fast reconfiguration 4 6 5 Configuring the Rapid Spanning
10. control port see fig 22 see table 10 With Control port you specify at which port you are connecting the control line Redundancy L2E Release 4 1 03 08 41 Redundant coupling Switch Coupling port Control port RS2 Port 1 Stand by port can only be combined with RS2 RS2 16M Adjustable for all ports Adjustable for all ports default setting port 1 default setting port 2 RS20 Adjustable for all ports Adjustable for all ports default setting port 1 4 default setting port 1 3 RS30 Adjustable for all ports Adjustable for all ports default setting port 1 4 default setting port 1 3 RS40 Adjustable for all ports Adjustable for all ports default setting port 1 4 default setting port 1 3 MICE Adjustable for all ports Adjustable for all ports default setting port 1 4 default setting port 1 3 PowerMICE Adjustable for all ports Adjustable for all ports default setting port 1 4 default setting port 1 3 MS 20 Adjustable for all ports Adjustable for all ports default setting port 1 4 default setting port 1 3 MS 30 Adjustable for all ports Adjustable for all ports default setting port 2 4 default setting port 2 3 RSR20 RSR30_ Adjustable for all ports Adjustable for all ports default setting port 1 4 default setting port 1 3 MACH 1000 Adjustable for all ports Adjustable for all ports default setting port 1 4 default setting port 1 3 MACH 3000 Adjustable for all ports Adjustable
11. displays in the Information frame mean see fig 15 Redundancy guaranteed One of the lines affected can fail as a redundant line will then take over the function of the failed line Configuration failure The function is incomplete or incorrectly configured fh HIRSCHMANN RingiNetwork Coupling A Belden Company Select Configuration 2C PC aC Cc d i H mack pd Bq Lo Lo to io EI STANDEV C STAND BY STAND BY CS STAND BY Select Port Module Port Coupling port a fe Port mode factive Port state jactive Partner coupling port Port mode fstand b Port state not connecter IP Address Control port p be ort state fnot connecte Operation Information Redundancy Mode Coupling Mode On T Redundancy guaranteed C Redundant Ring Network Coupling Ring Coupling C off T Configuration failure Extended Redundancy C Network Coupling Set Reload Delete coupling configuration Help Figure 15 Selecting the port and enabling disabling operation To avoid continuous loops the Switch sets the port state of the coupling port to off if you switch off operation or change the configuration while the connections are in operation at these ports Redundancy L2E Release 4 1 03 08 35 Redundant coupling 3 2 Configuring the redundant coupling Note The following settings are required for the coupling ports you select the Basic Settings P
12. for all ports MACH 4000 Adjustable for all ports Adjustable for all ports default setting port 1 4 3 2 Configuring the redundant coupling default setting port 1 3 Table 10 Port assignment for the redundant coupling Note Configure the coupling port and the HIPER Ring ports on different ports O Activate the function in the Operation frame see fig 22 LI You now connect the redundant line and the control line The displays in the Select port frame mean see fig 22 Port mode The port is either active or in stand by mode Port state The port is either connected or not connected IP Address The IP address of the partner if the partner is already operating in the network Redundancy L2E 42 Release 4 1 03 08 Redundant coupling 3 2 Configuring the redundant coupling The displays in the Information frame mean see fig 22 Redundancy guaranteed One of the lines affected can fail as a redundant line will then take over the function of the failed line Configuration failure The function is incomplete or incorrectly configured fh HIRSCHMANN RingiNetwork Coupling A Belden Company Select Configuration piai ee Pi ees ra STAND BY aed Ei STANDBY LA STAND BY STAND BY E Select Port Module Port Coupling port a fa Port mode factive Port state fect e Port mode fstand by Port state Jnot connected Partner coup
13. h HIRSCHMANN A Belden Company User Manual Redundancy Configuration Industrial ETHERNET Gigabit Switch RS20 RS30 RS40 MS20 MS30 OCTOPUS Redundancy L2E Technical Support Release 4 1 03 08 HAC Support hirschmann de The naming of copyrighted trademarks in this manual even when not specially indicated should not be taken to mean that these names may be considered as free in the sense of the trademark and tradename protection law and hence that they may be freely used by anyone 2008 Hirschmann Automation and Control GmbH Manuals and software are protected by copyright All rights reserved The copying reproduction translation conversion into any electronic medium or machine scannable form is not permitted either in whole or in part An exception is the preparation of a backup copy of the software for your own use For devices with embedded software the end user license agreement on the en closed CD applies The performance features described here are binding only if they have been expressly guaran teed in the contract This publication has been created by Hirschmann Automation and Control GmbH according to the best of our knowledge Hirschmann reserves the right to change the con tents of this manual without prior notice Hirschmann can give no guarantee in respect of the correctness or accuracy of the details in this publication Hirschmann can accept no responsibility for damages resulting from the use of the network
14. of specifying the root path Redundancy L2E Release 4 1 03 08 57 Rapid Spanning Tree 4 4 Example of manipulating the root paths 4 4 Example of manipulating the root paths The network plan see fig 32 can be used to create the flow diagram see fig 30 for defining the root path The Administrator left the default value of 32 768 for each bridge apart from bridge 1 and gave bridge 1 the value 16 384 thus making it the root bridge In the example all the sub paths have the same path costs The path between bridge 2 and bridge 3 is interrupted because a connection from bridge 3 to the root bridge via bridge 2 would double the path costs The path from bridge 6 to the root bridge is interesting The path via bridge 5 and bridge 3 creates the same root path costs as the path via bridge 4 and bridge 2 STP selects the path using the bridge that has the lowest MAC address in the bridge identification bridge 4 in the illustration However there are two paths between bridge 6 and bridge 4 The port identifier is decisive here Note Because the Administrator does not change the default values for the priorities of the bridges in the bridge identifier apart from the value for the root bridge the MAC address in the bridge identifier alone determines which bridge becomes the new root bridge if the root bridge goes down Redundancy L2E 58 Release 4 1 03 08 Rapid Spanning Tree P BID 16384 pO Bridge 1 P BID 3
15. ring structures on the basis of specified rules by deactivating redundant paths If a path is interrupted by mistake the STP reactivates the path just deactivated This enables redundant connections for increased data safety In forming the tree structure the STP determines what is Known as a root bridge This forms the basis of the STP tree structure Features of the STP algorithm automatic reconfiguration of the tree structure in the case of a bridge error or the interruption of a data path the tree structure is stabilized up to the maximum network size up to 39 hops depending on the setting for Max Age stabilization is effected within a brief specified period topology can be specified and reproduced by the management transparency for the terminal devices low network load relative to the available transmission capacity due to the tree structure created Redundancy L2E 50 Release 4 1 03 08 Rapid Spanning Tree 4 1 The Spanning Tree Protocol 4 1 2 Bridge parameters Each bridge is uniquely described using parameters Bridge Identifier Root Path Costs for the bridge ports Port Identifier 4 1 3 Bridge Identifier The Bridge Identifier consists of 8 bytes The two highest value bytes are the priority number The default setting for the priority number is 32 768 but the Management Administrator can change this when configuring the network The six lowest value bytes of the bridge identifier are the MAC address of the bri
16. s 200 000 000 20 000 000 200 000 000 1 200 000 000 1 MBit s 20 000 000 2 000 000 200 000 000 1 200 000 000 10 MBit s 2 000 000 200 000 20 000 000 1 200 000 000 100 MBit s 200 000 20 000 2 000 000 1 200 000 000 1 GBit s 20 000 2 000 200 000 1 200 000 000 10 GBit s 2 000 200 20 000 1 200 000 000 100 GBit s 200 20 2 000 1 200 000 000 1 TBit s 20 2 200 1 200 000 000 10 TBit s 2 1 20 1 200 000 000 Table 11 Recommended path costs for RSTP based on the data rate Bridges that conform with IEEE 802 1D 1998 edition and only support 16 bit values for the path costs should use the value 65 535 for path costs when they are used in conjunction with bridges that support 32 bit values for the path costs 4 1 5 Port Identifier The Port Identifier consists of 2 bytes One part the lowest value byte signifies the fixed relationship with the physical port number This part ensures that no port of a bridge has the same identifier as another port of this bridge The second part is the port priority number which is specified by the Management Administrator default value 128 It also applies here that the port with the smallest number for the port identifier has the highest priority MSB LSB Et MY Priority Port number Figure 29 Port Identifier Redundancy L2E Release 4 1 03 08 53 Rapid Spanning Tree 4 2 Rules for creating the tree structure 4 2 Rules for creating the tree structure 4 2 1 Bridge information To calculate the tre
17. software configuration and the DIP configuration If the software configuration is set the other DIP switches have no effect Software switch In the Redundancy Ring Network Coupling dialog Table 6 Choice of main coupling or redundant coupling O Select the Redundancy Ring Network Coupling dialog LI You first select the configuration you want One Switch coupling 1 two Switch coupling 2 or two Switch coupling with control line 3 see fig 6 fh HIRSCHMANN RingiNetwork Coupling A Belden Company Select Configuration 1 2 3 2C 2C 2c gt C SC E 1 i i dec Bc 4 Bo 6 8 frm STAND BY m STAND BY STAND BY ET STAND BY STAND BY 21 Select Port Module Port Coupling port fi E Portmode standy Port state active Partner coupling port Port mode factive Port state not connectec 1 Control port p fp Port state not connecte Operation Information Redundancy Mode Coupling Mode C On J Redundancy guaranteed C Redundant RingNetwork Coupling Ring Coupling C ott I Configuration failure Extended Redundancy Network Coupling Set Reload Delete coupling configuration Help Figure 6 Selecting the configuration Redundancy L2E Release 4 1 03 08 25 Redundant coupling 3 2 Configuring the redundant coupling Note Depending on the STAND BY DIP switch position the dialog dis plays those configurations that are not possible in gra
18. the root costs to the root Switch in the Protocol Configuration Information frame Priority Displays the priority in the bridge identifier for this Switch MAC Address Displays the MAC address of this Switch Topology Changes Displays the number of changes since the start of RSTP Time since last change Displays the time that has elapsed since the last network reconfiguration Redundancy L2E Release 4 1 03 08 67 Rapid Spanning Tree 4 6 The Rapid Spanning Tree Protocol fh HIRSCHMANN RSTP Global A Belden Company Operation On Off Root Information Priority i MAC Address I This device is root Root ld 20480 Root Port fi 4 Root Cost 220000 100 80 63 Of 1d bO Protocol Configuration Information Priority fsares Hello Time s p Forward Delay s fo fis Max Age 5 f 20 MAC Address Topology Changes Time since last change 0 day s 2 14 54 Set Reload Help Figure 37 Display Priority MAC Address Topology Changes and Time since last change LI If required change the values for Hello Time Forward Delay and Max Age in the root Switch The root Switch then transfers this data to the other Switches The dialog displays the data received from the root Switch in the left column In the right column you enter the values which shall apply when this Switch b
19. true false connected at this port Independent ly of the value set under Admin Edge Port the Switch detects a connected RSTP switch Then it sets Edge Port false See also Port roles Oper Point Shows whether at this port the con true false auto ToPoint nection between two RSTP Switch is calculated es is a half duplex connection true FDX true or not false The point to point HDX false connection is a direct connection between two RSTP Switches The direct decentralized communication between the two Switches results in a fast reconfiguration time Designated Display of the bridge identifier of the Bridge identifier Root designated root Switch for this port hexadecimal Table 14 Port related RSTP settings and displays Redundancy L2E Release 4 1 03 08 71 Rapid Spanning Tree 4 6 The Rapid Spanning Tree Protocol Variable Meaning Possible values State on deliv ery Designated Display of the costs of the path from Costs Costs this port to the root Switch see table 11 Designated Port Display of the port identifier of the Port identifier port that creates the connection to hexadecimal and the root Switch for this port on the port number designated Switch Table 14 Port related RSTP settings and displays L You now connect the redundant lines You can avoid loops and network failures during the configuration phase by first configuring the Switches and only then connecting t
20. 2768 P BID 32768 Bridge 2 Bridge 3 P BID 32768 E Bridge 7 l P BID 32768 P BID 32768 4 Port 3 Ep HE Bridge 4 Bridge 5 Port 1 1 l l Bridge 6 4 4 Example of manipulating the root paths P BID Priority of the bridge identifikation BID BID without MAC Address Root path Interrupted path Figure 32 Example of manipulating the root path Redundancy L2E Release 4 1 03 08 59 Rapid Spanning Tree 4 5 Example of manipulating the tree structure 4 5 Example of manipulating the tree structure The Management Administrator soon discovers that this configuration with bridge 1 as the root bridge see on page 56 Example of specifying the root paths is unfavorable On the paths from bridge 1 to bridge 2 and bridge 1 to bridge 3 the control packets which the root bridge sends to all other bridges are adding up If the Management Administrator makes bridge 2 the root bridge the burden of the control packets on the subnetworks is distributed much more evenly The result is the configuration shown here see fig 33 The distances between the individual bridges and the root bridge are now shorter Port 3 P BID 28672 P BID 16384 Bridge 2 P BID 40960 P BID 20480 P BID 24576 P BID 32768 Port 2 Bridge 7 Bridge 4 Bridge 3 Bridge 1 Port 1 l l l l l P BID 36864 l Bridge 6 Bridge 5 P BID Priority of the bridge identifikation BID
21. 3 Global RSTP settings LI As required change and verify the settings and displays that relate to each individual port menu bar Rapid Spanning Tree Port Note Deactivate the Spanning Tree protocol for the ports connected to a redundant ring because the Spanning Tree and the Ring Redundancy work with different reaction times Redundancy L2E 70 Release 4 1 03 08 Rapid Spanning Tree 4 6 The Rapid Spanning Tree Protocol Variable Meaning Possible values State on deliv ery STP status on Switch RSTP on off at this port on on Switch STP off when connecting a_ off terminal device in order to avoid unnecessary waiting times See also Fast reconfiguration Port state Display of the port state disabled forwarding discarding blocking learning see table 12 Priority Enter the first byte of the port identi 16 lt n 16 lt 240 128 fier See also Port Identifier Admin Path Enter the path costs to indicate pref 0 200 000 000 0 Cost erence for redundant paths If the value is 0 the Switch automatical ly calculates the path costs depending on the transmission rate See also Bridge parameters Admin Edge Enter whether a terminal device true false false Port true or an RSTP switch false is to be connected at this port During re configuration the edge port at a ter minal device can switch to forwarding within 3 seconds See also Port roles Oper Edge Port Shows whether an RSTP Switch is
22. Forward Delay s bo hs Time since last change 0 day s 2 14 54 Max Age s E fo Set Reload Help Figure 35 Operation on off L You now connect the redundant lines LI Define the desired Switch as the root Switch by assigning it the lowest priority in the bridge information among all the Switches in the network in the Protocol Configuration Information frame Note that only multiples of 4096 can be entered for this value see table 13 In the Root Information frame the dialog shows this device as the root A root switch has no root port and no root costs Redundancy L2E 66 Release 4 1 03 08 Rapid Spanning Tree 4 6 The Rapid Spanning Tree Protocol fh HIRSCHMANN A Belden Company 8 RSTP Global Protocol Configuration Information fs2768 MAC Address Priority Hello Time s E k Topology Changes Forward Delay s fo 15 Time since last change 0 day s 2 14 54 Max Age s E fzo Set Reload Help Figure 36 Assigning a priority Display Root Information LI As required you change the default priority value of 32768 in other Switches in the network in the same way to the value you want multiple of 4096 For each of these Switches check the display in the Root Information frame Root ld Displays the bridge identifier of the root Switch Root Port Displays the port that leads to the root Switch Root Cost Displays
23. HIPER Ring version entering ring ports and enabling disabling redundancy manager O If a device in the ring does not support the advanced mode for fast switching times you deactivate the advanced mode in the redun dancy manager in the Configuration Redundancy Manager frame All Hirschmann devices that support the HIPER Ring Version 2 MRP Draft also support the advanced mode Note Deactivate the Spanning Tree protocol for the ports connected to the redundant ring because the Spanning Tree and the Ring Redundancy work with different reaction times The VLAN frame enables you to assign HIPER Ring Version 2 to a VLAN Redundancy L2E 18 Release 4 1 03 08 HIPER Ring 2 2 Configuring HIPER Ring Version 2 MRP E E If VLANs are configured then in the VLAN frame you select VLAN ID 0 if the MRP Ring configuration is not to be assigned to a VLAN Note the VLAN configuration of the ring ports Then select for the ring ports VLAN ID 1 and VLAN membership U in the static VLAN table a VLAN ID gt 0 if the MRP Ring configuration is to be assigned to this VLAN Select this VLAN ID in the MRP Ring configuration for all devices in this MRP Ring Note the VLAN configuration of the ring ports For all ring ports in this MRP Ring select this VLAN ID and VLAN membership U in the static VLAN table Select the desired value in the Ring Recovery frame for the device for which you have activated th
24. Note Before you connect the redundant line you must complete the configuration of HIPER Ring Version 2 You thus avoid loops during the configuration phase Note Configure each HIPER Ring device O Select the Redundancy HIPER Ring dialog O Select Version 2 MRP Draft LI For each device you enter the desired ring ports 1 and 2 The following settings are required for the ring ports select the Basic Settings Port Configuration dialog Bit rate 100 Mbit s 1000 Mbit s Autonegotiation Off On automatic configuration Port On On Duplex Full Table 3 Port settings for ring ports Note When using 100 Mbit s with twisted pair cables avoid the combi nation of autonegotiation off and cable crossing automatic Use crossover cables with 100 Mbit s Redundancy L2E Release 4 1 03 08 17 HIPER Ring 2 2 Configuring HIPER Ring Version 2 MRP Display in Operation field forwarding this port is switched on and has a link blocked this port is blocked and has a link disabled this port is switched off not connected this port has no link LI At exactly one device you switch the redundancy manager on at the ends of the line fh HIRSCHMANN QHIPER Ring A Belden Company Configuration Redundancy Manager Advanced Mode Redundancy Manager Mode On C Off Operation Ring Recovery On 500ms off 200ms VLAN LAN ID Information Set Reload OQ Help Figure 4 Selecting
25. active or in stand by mode Port state The port is either connected or not connected IP Address The IP address of the partner if the partner is already operating in the network The displays in the Information frame mean see fig 15 Redundancy guaranteed One of the lines affected can fail as a redundant line will then take over the function of the failed line Configuration failure The function is incomplete or incorrectly configured To avoid continuous loops the Switch sets the port state of the coupling port to off if you switch off operation or change the configuration while the connections are in operation at these ports Note The following settings are required for the coupling ports you select the Basic Settings Port Configuration dialog Port on Automatic configuration autonegotiation on for twisted pair connections Manual configuration 100 Mbit s FDX for glass fiber connections Note If VLANS are configured note the VLAN configuration of the coupling and partner coupling ports In the Network Ring Coupling configuration select for the coupling and partner coupling ports VLAN ID 1 and Ingress Filtering disabled in the port table and VLAN membership U in the static VLAN table Note Operating the redundancy manager and two Switch coupling functions at the same time runs the risk of creating a loop Redundancy m
26. configuration period there may be package duplications Therefore only select this setting if your application detects package duplications Figure 11 Extended redundancy Coupling mode Redundancy L2E Release 4 1 03 08 31 Redundant coupling 3 2 Configuring the redundant coupling The coupling mode indicates the type of the connected network L In the Coupling Mode frame select see fig 12 Ring Coupling or Network Coupling fh HIRSCHMANN RingiNetwork Coupling A Belden Company Select Configuration sc 7 ay ee i i i E Es ae iIstanpey Cal Es fs STAND Ev EI C STAND STAND BY 187 Select Port Module Port Coupling port h Z fa Port mode stand by Port mode cti e Port state not connectec Port state Jactive Partner coupling port fb Control port b fp Port state fnot connected Operation Information Redundancy Mode Coupling Mode C On J7 Redundancy guaranteed Redundant Ring Network Coupling Ring Coupling C off IT Configuration failure Extended Redundancy Network Coupling Set Reload Delete coupling configuration Help Figure 12 Selecting the coupling mode L Select Ring coupling if you are connecting a HIPER Ring L Select Network Coupling if you are connecting a line structure Delete coupling configuration L The Delete coupling configuration button in the dialog allows you to reset al
27. dentifier of the root bridges Root path costs for the sending bridges Bridge identifier for the sending bridges Port identifiers of the ports through which the message was sent Port identifiers of the ports through which the message was received Based on this information the bridges participating in RSTP are able to calculate port roles themselves and define the port states of their own ports 4 6 4 Fast reconfiguration Why can RSTP react faster than STP to an interruption of the root path Introduction of edge ports During a reconfiguration RSTP switches an edge port into the trans mission mode after three seconds and then waits for the Hello Time see table 13 to elapse to be sure that no bridge sending BPDUs is connected When the user is sure that a terminal device is connected at this port and will remain connected he can switch off RSTP at this port Thus no waiting times occur at this port in the case of a reconfiguration Introduction of alternate ports As the port roles are already distributed in normal operation a bridge can immediately switch from the root port to the alternate port after the connection to the root bridge is lost Communication with neighboring bridges point to point connections Decentralized direct communication between neighboring bridges enables immediate reaction to status changes in the spanning tree architecture Filter table With STP the age of the entries in the filter table determ
28. dge The MAC address guarantees that every bridge has a different bridge identifier The bridge with the smallest number for the bridge identifier has the highest priority MSB LSB L T T T T T al Priority MAC Address Figure 27 Bridge Identifier Redundancy L2E Release 4 1 03 08 51 Rapid Spanning Tree 4 1 The Spanning Tree Protocol 4 1 4 Root Path Costs Every path that connects two bridges is assigned costs for the transmission path costs The Switch specifies this value based on the transmission speed see table 11 It assigns the higher path costs to paths with lower transmission speeds Alternatively the Management Administrator can specify the path costs Like the Switch the Administrator assigns the higher path costs to paths with lower transmission speeds However since the Administrator can choose this value freely he has a tool with which he can give a certain path an ad vantage among redundant paths The root path costs are the sum of all the individual path costs for all paths along which a data packet travels between the connected port of a bridge and the root bridge PC 200000 PC 2000000 Pc Path costs Ethernet 100 Mbit s Ethernet 10 Mbit s Bridge 2 Bridge 3 Figure 28 Path costs Redundancy L2E 52 Release 4 1 03 08 Rapid Spanning Tree 4 1 The Spanning Tree Protocol Data rate Recommended value Recommendedrange Possible range lt 100 KBit
29. e Hirschmann Competence Center is ahead of its competitors on three counts with its complete range of innovative services Consulting incorporates comprehensive technical advice from system evaluation through network planning to project planing Training offers you an introduction to the basics product briefing and user training with certification Support ranges from the first installation through the standby service to maintenance concepts With the Hirschmann Competence Center you have decided against making any compromises Our client customized package leaves you free to choose the service components you want to use Internet http www hicomcenter com Redundancy L2E Release 4 1 03 08 TT fh HIRSCHMANN A Belden Company
30. e redundancy manager Note Settings in the Ring Recovery frame are ineffective for devices that are not the redundancy manager Note If selecting the smaller value for the ring recovery does provide the ring stability neccesary to meet the requirements of your network you select 500 ms L L Activate the function in the Operation frame Now you connect the line to the ring To do this you connect the two devices to the ends of the line using their ring ports The displays in the Information frame mean Redundancy guaranteed One of the lines affected by the function can fail whereby the redundant line will then take over the function of the failed line Configuration failure The function is incorrectly configured or there is an error on ringport link Redundancy L2E Release 4 1 03 08 19 HIPER Ring 2 2 Configuring HIPER Ring Version 2 MRP fh HIRSCHMANN QHIPER Ring A Belden Company Figure 5 Configuring the Redundancy Manager selecting operation select ing ring recovery and entering VLAN ID Display Information Redundancy L2E 20 Release 4 1 03 08 Redundant coupling 3 Redundant coupling Redundancy L2E Release 4 1 03 08 21 Redundant coupling 3 1 The variants of redundant coupling 3 1 The variants of redundant coupling The control intelligence built into the Switch enables the redundant coupling of HIPER Rings and network segments Two rings netwo
31. e structure the bridges require more detailed information about the other bridges located in the network To obtain this information each bridge sends a BPDU Bridge Protocol Data Unit to the other bridges The contents of a BPDU include bridge identifier root path costs and port identifier see IEEE 802 1D 4 2 2 Setting up the tree structure The bridge with the smallest number for the bridge identifier is the root bridge It is the root of the tree structure The structure of the tree depends on the root path costs STP selects the structure so that the path costs between each individual bridge and the root bridge are kept to a minimum In the case of anumber of paths with the same root path costs the priority of the bridge identifier for the bridge connected to one of these paths decides which bridge should block Redundancy L2E 54 Release 4 1 03 08 Rapid Spanning Tree 4 2 Rules for creating the tree structure If two paths with the same root path costs lead out from a bridge the port identifier is used as the last criterion see fig 29 This decides which port is selected Determine root path Equal Path with lowest path costs path costs root path Equal Path with highest priority in priority in bridge bridge identification identification root path Equal Path with highest port priority port priority root path Path with lowest port number root path Root path deter
32. ecomes a root Switch For the configuration take note of table 13 Redundancy L2E 68 Release 4 1 03 08 Rapid Spanning Tree 4 6 The Rapid Spanning Tree Protocol fh HIRSCHMANN RSTP Global A Belden Company Figure 38 Assigning Hello Time Forward Delay und Max Age The times entered in the dialog are in units of 1 s Example Max Age 20 corresponds to 20 seconds Redundancy L2E Release 4 1 03 08 69 Rapid Spanning Tree 4 6 The Rapid Spanning Tree Protocol Variable Meaning Possible values State on deliv ery Priority Priority and MAC address together 0 lt n 4 096 lt 61 440 32768 make up the bridge identifier Hello Time The Switch periodically sends config 1 10 2 uration messages Hello packets Configuration Bridge Protocol Data Units CBPDU if it is the root Switch Hello Time is the time in seconds between the sending of two configu ration messages Hello packets Configuration Bridge Protocol Data Units CBPDU This is the current value being used by the Switch Forward Delay The state diagram of the Spanning 4 30 30 Tree Protocol has four possible states disabled blocking learning forwarding A certain amount of time passes when switching from one state to another This is the current value being used by the Switch The state change from forwarding to blocking occurs without a time lapse Max Age After the Max Age elapses aBPDU 6 40 6 becomes invalid and is discarded Table 1
33. edundancy Coupling mode Redundancy L2E 38 Release 4 1 03 08 Redundant coupling 3 2 Configuring the redundant coupling The coupling mode indicates the type of the connected network L In the Coupling Mode frame select see fig 19 Ring Coupling or Network Coupling fh HIRSCHMANN A Belden Company RingiNetwork Coupling Select Configuration 2c Sc Dc Dc xe Pi i i a eee Lo fio q ns CA o 10 Bq Po or o E stanpey C stano ev STAND 6YE C STAND BY STAND BY EJ Select Port Module Port Coupling port fe fe Portmode factive Port state active Partner coupling port Port mode jstand by Port state fnot connected IP Address Control port p fp Operation Information Redundancy Mode Coupling Mode On J Redundancy guaranteed C Redundant RingNetwork Coupling Ring Coupling C off I Configuration failure Extended Redundancy Network Coupling Set Reload Delete coupling configuration Help Figure 19 Selecting the coupling mode L Select Ring coupling if you are connecting a HIPER Ring L Select Network Coupling if you are connecting a line structure Delete coupling configuration L The Delete coupling configuration button in the dialog allows you to reset all the coupling settings of the device to the state on delivery Redundancy L2E Release 4 1 03 08 39 Redundant coupling 3 2 Configuring the red
34. edundant coupling Redundancy L2E Release 4 1 03 08 23 Redundant coupling 3 2 Configuring the redundant coupling 3 2 Configuring the redundant coupling 3 2 1 STAND BY switch The Switches have a STAND BY switch for selecting between the main coupling and the redundant coupling Depending on the Switch this switch is a DIP switch or a software switch Redundancy Ring Network Coupling dialog or you can use a switch to select one of the two options Switch STAND BY switch RS2 DIP switch RS2 16M DIP switch RS20 RS30 RS40 Can be switched between DIP switch and software switch MICE PowerMICE Can be switched between DIP switch and software switch MS 20 MS 30 Can be switched between DIP switch and software switch RSR20 RSR30 Software switch MACH 1000 Software switch MACH 3000 MACH 4000 Software switch Table 5 STAND BY switches of the Switches Depending on the Switch used you choose between the main coupling and the redundant coupling see table 6 Redundancy L2E 24 Release 4 1 03 08 Redundant coupling 3 2 Configuring the redundant coupling Switch with Choice of main coupling or redundant coupling DIP switch STAND BY on DIP switch DIP switch software switch According to the option selected option Stand by on the DIP switch or in the Redundancy Ring Network Coupling dialog by selecting in Select configuration Note These devices have a DIP switch with which you can choose between the
35. ee structure and the state of the selected connection paths the RSTP assigns the ports their states STP port state Administrative MAC RSTP Active topology bridge port operational Port state Port role state DISABLED Disabled FALSE Discarding Excluded disabled DISABLED Enabled FALSE Discarding Excluded disabled BLOCKING Enabled TRUE Discarding Excluded alternate backup LISTENING Enabled TRUE Discarding Included root designated LEARNING Enabled TRUE Learning Included root designated FORWARDING Enabled TRUE Forwarding Included root designated Table 12 Relationship between port state values in STP and RSTP the dot1d MIB shows Disabled the dot1d MIB shows Blocked Meaning of the RSTP port states Disabled port does not belong to the active topology Discarding no address learning in FDB and no data traffic apart from sending and receiving Learning address learning active FDB and no data traffic apart from BPDUs Forwarding address learning active FDB and sending and receiving active from all frames not only BPDUs 4 6 3 Spanning Tree Priority Vector To assign roles to the ports the RSTP bridges exchange configuration information with each other This information is known as the Spanning Tree Priority Vector It is part of the RST BPDUs and contains the following information Redundancy L2E Release 4 1 03 08 63 Rapid Spanning Tree 4 6 The Rapid Spanning Tree Protocol Bridge i
36. etwork segment in which there are no additional RSTP bridges is connected with exactly one designated port This designated port is then also an edge port The distinction of an edge port is the fact that it does not receive any RST BPDUs Rapid Spanning Tree Bridge Protocol Data Unit Redundancy L2E Release 4 1 03 08 61 Rapid Spanning Tree 4 6 The Rapid Spanning Tree Protocol Alternate port This is a blocked port that takes over the task of the bridge port if the connection to the root bridge fails The alternate port guarantees the connection of the bridge to the root bridge Backup port This is a blocked port that serves as a backup in case the connection to the designated port of this network segment without RSTP bridge fails Disabled port This is the port that does not play any role with the Spanning Tree Operation and is therefore switched off or does not have any connection P BID 16 384 Bridge 1 P BID 20480 P BID 24576 Bridge 2 Bridge 3 P BID 40960 TF Bridge 7 l P BID 28672 P BID 32768 P BID Priority of the bridge identifikation BID l BID without MAC Address Root path Bridge 4 Interrupted path Root port Designated port ll Alternate port lll Backup port lt gt Edge port Figure 34 Port role assignment Redundancy L2E 62 Release 4 1 03 08 Rapid Spanning Tree 4 6 The Rapid Spanning Tree Protocol 4 6 2 Port states Depending on the tr
37. h is connected to the coupling port takes over coupling the two networks The coupling is effected by one Switch Redundancy L2E Release 4 1 03 08 27 Redundant coupling 3 2 Configuring the redundant coupling O Select the Redundancy Ring Network Coupling dialog L Select one Switch coupling see fig 8 Partner Coupling coupling port port 1 O STAND BY Figure 8 One Switch coupling The following settings apply to the Switch displayed in blue in the selected graphic L Select the partner coupling port see fig 9 see table 7 With Partner coupling port you specify at which port you are connecting the control line Switch Partner coupling port RS2 Not possible RS2 16M Adjustable for all ports default setting port 2 RS20 Adjustable for all ports default setting port 1 3 RS30 Adjustable for all ports default setting port 1 3 RS40 Adjustable for all ports default setting port 1 3 MICE Adjustable for all ports default setting port 1 3 PowerMICE Adjustable for all ports default setting port 1 3 MS 20 Adjustable for all ports default setting port 1 3 MS 30 Adjustable for all ports default setting port 2 3 RSR20 30 Adjustable for all ports default setting port 1 3 MACH 1000 Adjustable for all ports default setting port 1 3 MACH 3000 Adjustable for all ports MACH 4000 Adjustable for all ports default setting port 1 3 Table 7 Port assignment for one Switch cou
38. he redundant lines Redundancy L2E 72 Release 4 1 03 08 Reader s comments A Readers comments What is your opinion of this manual We are always striving to provide as comprehensive a description of our product as possible as well as important information that will ensure trouble free operation Your comments and sug gestions help us to further improve the quality of our documentation Your assessment of this manual excellent good satisfactory mediocre poor Accuracy O O O O O Readability O O O O O Comprehensibility O O O O O Examples O O O O O Structure Layout O O O O O Completeness O O O O O Graphics O O O O O Drawings O O O O O Tables O O O O O Did you discover an error in the manual If so on what page Redundancy L2E Release 4 1 03 08 73 Reader s comments Suggestions for improvement and additional information General comments Sender Company Department Name Telephone number Street Zip code City Date Signature Dear User Please fill out and return this page by fax to the number 49 0 7127 14 1798 or by mail to Hirschmann Automation and Control GmbH Department AMM Stuttgarter Str 45 51 72654 NeckartenzlingenGermany Germany 74 Redundancy L2E Release 4 1 03 08 Index B index A Alternate port B Backup port Bridge Identifier C Configuration failure D Designated bridge Designated port Disabled port E Edge port F FAQ H HIPER Ri
39. ines the updating RSTP immediately deletes the entries in those ports affected by a reconfiguration Reaction to events Without having to adhere to any time specifications RSTP immediately reacts to events such as connection interruptions connection reinstatements etc Redundancy L2E 64 Release 4 1 03 08 Rapid Spanning Tree 4 6 The Rapid Spanning Tree Protocol Note The price to be paid for this fast reconfiguration is the risk that data packets may be duplicated or mixed up during the reconfiguration phase If this is unacceptable for your application switch to the slower Spanning Tree Protocol or select one of the other faster redundancy procedures described in this manual 4 6 5 Configuring the Rapid Spanning Tree L Set up the network to meet your requirements Note Before you connect the redundant lines you must complete the configuration of the RSTP You thus avoid loops during the configuration phase O Select the Redundancy Rapid Spanning Tree Global dialog L Switch on RSTP on every device Redundancy L2E Release 4 1 03 08 65 Rapid Spanning Tree 4 6 The Rapid Spanning Tree Protocol fh HIRSCHMANN RSTP Global A Belden Company Operation On Cott Root Information Priority 1 MAC Address Root ld f20480 db0 J This device is root RostPot fra Root Cost 220000 Protocol Configuration Information Priority s2768 MAC Address Hello Time s k Topology Changes
40. ive for devices that are not the redundancy manager Note If selecting the smaller value for the ring recovery does provide the ring stability neccesary to meet the requirements of your network you select 500 ms fh HIRSCHMANN QHIPER Ring A Belden Company Redundancy Manager Status Active redundant line Inactive Redundancy Manager Mode On C Off Q S minformation Help Set Reload Figure 2 Selecting HIPER Ring version entering ring ports enabling disabling redundancy manager and selecting ring recovery Note Deactivate the Spanning Tree protocol for the ports connected to the redundant ring because the Spanning Tree and the Ring Redundancy work with different reaction times Redundancy L2E Release 4 1 03 08 HIPER Ring 2 1 Configuring HIPER Ring Version 1 Note If you used the DIP switch to activate the function of HIPER Ring Version 1 RSTP is automatically switched off LI Now you connect the line to the ring To do this you connect the two devices to the ends of the line using their ring ports The displays in the Redundancy Manger Status frame mean Active redundant line The ring is open which means that a data line or a network component within the ring is down Inactive The ring is closed which means that the data lines and network components are working The displays in the Information frame mean Redundancy guaranteed One of the
41. l the coupling settings of the device to the state on delivery Redundancy L2E 32 Release 4 1 03 08 Redundant coupling 3 2 Configuring the redundant coupling 3 2 3 Two Switch coupling Redundancy Manager On l l l l l l l l fa Ed E Main line Redundant line l l l Redundancy Manager On l 5g z O LO STAND BY _ STAND BY Figure 13 Example of two Switch coupling The coupling between two networks is effected by the main line thick blue line If the main line fails the redundant line thick blue dotted line takes over coupling the two networks The coupling is effected by two Switches The switches send their control packages via the Ethernet The Switch to which you connect the main line and the Switch to which you connect the redundant line are partners as regards the coupling Redundancy L2E Release 4 1 03 08 33 Redundant coupling 3 2 Configuring the redundant coupling O Connect the two partners via their ring ports O Select the Redundancy Ring Network Coupling dialog L Select two Switch main coupling see fig 14 Partner coupling port Coupling port STAND BY Figure 14 Two Switch coupling The following settings apply to the Switch displayed in blue in the selected graphic L Select the coupling port see fig 15 see table 9 With Coupling port you specify at which port you are connecting the redundant line
42. lines affected by the function can fail whereby the redundant line will then take over the function of the failed line Configuration failure The function is incorrectly configured or there is an error on ringport link fh HIRSCHMANN QHIPER Ring A Belden Company versioni C Version 2 MRP Draft Ring Port 1 Ring Port 2 Module 1 Module 1 Port 1 Port 2 Operation Operation Redundancy Manager Status C Active redundant line Inactive Redundancy Manager Mode On C Off C 300ms Information Set Reload Help Figure 3 Display Redundancy Manager Status and Information Note If VLANS are configured note the VLAN configuration of the ring ports In the configuration of HIPER Ring Version 1 you select for the ring ports VLAN ID 1 and VLAN membership U in the static VLAN table Redundancy L2E Release 4 1 03 08 15 HIPER Ring 2 1 Configuring HIPER Ring Version 1 Note When you switch from a normal port to a ring port with the DIP switch the device makes the required settings for the ring ports in the configuration table The port which has been switched from a ring port to a normal port keeps the ring port settings These settings remain changeable for all ports Redundancy L2E 16 Release 4 1 03 08 HIPER Ring 2 2 Configuring HIPER Ring Version 2 MRP 2 2 Configuring HIPER Ring Version 2 MRP Draft L Set up the network to meet your requirements
43. ling port IP Address 0 0 0 0 Control port fo bp Port state not connected Operation I Information Redundancy Mode Coupling Mode C On J Redundancy guaranteed C Redundant RingNetwork Coupling Ring Coupling C off 4 Confi aration t failure Extended Redundancy Network Coupling Set Reload Delete coupling configuration Help Figure 22 Selecting the port and enabling disabling operation To avoid continuous loops the Switch sets the port state of the coupling port to off if you switch off operation or change the configuration while the connections are in operation at these ports Note The following settings are required for the coupling ports you select the Basic Settings Port Configuration dialog Port on Automatic configuration autonegotiation on for twisted pair connections Manual configuration 100 Mbit s FDX for glass fiber connections Redundancy L2E Release 4 1 03 08 43 Redundant coupling 3 2 Configuring the redundant coupling Note If VLANS are configured note the VLAN configuration of the coupling and partner coupling ports In the Network Ring Coupling configuration select for the coupling and partner coupling ports VLAN ID 1 and Ingress Filtering disabled in the port table and VLAN membership U in the static VLAN table LI Select two Switch redundant coupling with control line see fig 23 Control port Partner Lo
44. mined Figure 30 Flow diagram for specifying the root path Redundancy L2E Release 4 1 03 08 55 Rapid Spanning Tree 4 3 Example of specifying the root paths 4 3 Example of specifying the root paths The network plan see fig 31 can be used to create the flow diagram see fig 30 for defining the root path The Administrator defined a different priority in the bridge identifier for each bridge The bridge with the smallest number for the bridge identifier is the root bridge in this case bridge 1 In the example all the sub paths have the same path costs The path between bridge 2 and bridge 3 is interrupted because a connection from bridge 3 to the root bridge via bridge 2 would double the path costs The path from bridge 6 to the root bridge is interesting The path via bridge 5 and bridge 3 creates the same root path costs as the path via bridge 4 and bridge 2 The path via bridge 4 is selected because value 28 672 for the priority in the bridge identifier is smaller than value 32 768 However there are two paths between bridge 6 and bridge 4 The port identifier is decisive here Redundancy L2E 56 Release 4 1 03 08 Rapid Spanning Tree 4 3 Example of specifying the root paths P BID 16384 Bridge 1 P BID 20480 P BID 24576 P BID 40960 Bridge 7 P BID Priority of the bridge identifikation BID BID without MAC Address Root path Interrupted path Bridge 6 Figure 31 Example
45. n of RS1 RS2 RS2 16M RS2 4R RS20 RS30 RS40 MICE PowerMICE MS 20 MS 30 RSR20 RSR30 MACH 1000 MACH 3000 and MACH 4000 is possible Within a HIPER Ring Version 2 MRP Draft any combination of devices that support this function is possible Within a HIPER Ring Version 3 any combination of RSR20 RSR30 and MACH 1000 is possible If a section is down the ring structure of a HIPER Ring Version 1 of up to 50 devices typically transforms back to a line structure within 150 ms adjustable to max 300 ms 500 ms HIPER Ring Version 2 of up to 50 devices typically transforms back to a line structure within 150 ms adjustable to max 200 ms 500 ms HIPER Ring Version 3 of up to 5 devices typically transforms back to a line structure within 5 ms maximum 10 ms If a larger number of devices is being used the reconfiguration time increases Redundancy L2E Release 4 1 03 08 11 HIPER Ring Line Redundancy Manager On m D lt j Redundant Ring Main line Redundant line Figure 1 Line and redundant ring Redundancy L2E 12 Release 4 1 03 08 HIPER Ring 2 1 Configuring HIPER Ring Version 1 2 1 Configuring HIPER Ring Version 1 L Set up the network to meet your requirements Note Before you connect the redundant line you must complete the configuration of HIPER Ring Version 1 You thus avoid loops during the configuration phase Note Configure each HIPER Ring device O Select the Redu
46. ndancy HIPER Ring dialog O Select Version 1 Note As an alternative to using software to configure HIPER Ring Version 1 with devices RS20 30 40 and MS20 30 you can also use a DIP switch to enter a number of settings for HIPER Ring Version 1 You can also use this DIP switch to enter a setting for whether the configu ration via DIP switch or the configuration via software has priority The state on delivery is Software Configuration LI For each device you enter the desired ring ports 1 and 2 The following settings are required for the ring ports select the Basic Settings Port Configuration dialog Bit rate 100 Mbit s 1000 Mbit s Autonegotiation Off On automatic configuration Port On On Duplex Full Table 2 Port settings for ring ports Redundancy L2E Release 4 1 03 08 13 14 HIPER Ring 2 1 Configuring HIPER Ring Version 1 Note When using 100 Mbit s with twisted pair cables avoid the combi nation of autonegotiation off and cable crossing automatic Use crossover cables with 100 Mbit s Display in Operation field Active this port is switched on and has a link Inactive this port is switched off or has no link LI At exactly one device you switch the redundancy manager on at the ends of the line O Select the desired value in the Ring Recovery frame for the device for which you have activated the redundancy manager Note Settings in the Ring Recovery frame are ineffect
47. ng HiVision Industry protocols L Loops Network load Network Management Software P Port state PROFINET Redundancy L2E Release 4 1 03 08 62 62 51 15 19 61 62 61 T7 9 11 35 37 43 45 50 5 63 5 R Rapid Spanning Tree Redundancy Redundancy functions Redundancy guaranteed Redundant Redundant coupling Ring Ring ports Ring structure Root port RST BPDU RSTP S Symbol T Technical questions Training courses 77 15 Index 76 Redundancy L2E Release 4 1 03 08 Further support C Further support Technical questions and training courses In the event of technical queries please talk to the Hirschmann contract partner responsible for looking after your account or directly to the Hirschmann office You can find the addresses of our contract partners on the Internet www hirschmann ac com Our support line is also at your disposal Tel 49 1805 14 1538 Fax 49 7127 14 1551 Answers to Frequently Asked Questions can be found on the Hirschmann internet site www hirschmann ac com at the end oft the product sites in the FAQ category The current training courses to technology and products can be found under http www hicomcenter com Hirschmann Competence Center In the long term excellent products alone do not guarantee a successful customer relationship Only comprehensive service makes a difference worldwide In the current global competition scenario th
48. ode CI In the Redundancy Mode frame select see fig 17 Redundant Ring Network Coupling or Extended Redundancy Redundancy L2E Release 4 1 03 08 37 Redundant coupling 3 2 Configuring the redundant coupling fh HIRSCHMANN RingiNetwork Coupling A Belden Company EAE A i he STAND BY E ES stano ev STAND BY ED Select ee a Select Port Module Port Coupling port a z fa Port mode fcii e Port state Jactive Port mode stand by Partner coupling port IP Address Control port b fp Operation Information Redundancy Mode rCoupling Mode C On J Redundancy guaranteed C Redundant RingNetwork Coupling Ring Coupling C off J Configuration failure Extended Redundancy Network Coupling Set Reload Delete coupling configuration OQ Help Figure 17 Selecting the redundancy mode With the Redundant Ring Network Coupling setting either the main line or the redundant line is active Both lines are never active simulta neously With the Extended Redundancy setting the main line and the redundant line are simultaneously active if the connection line between the Switches in the connected network fails see fig 18 During the reconfiguration period there may be package duplications Therefore only select this setting if your application detects package duplications Figure 18 Extended r
49. ort Configuration dialog Port on Automatic configuration autonegotiation on for twisted pair connections Manual configuration 100 Mbit s FDX for glass fiber connections Note If VLANS are configured note the VLAN configuration of the coupling and partner coupling ports In the Network Ring Coupling configuration select for the coupling and partner coupling ports VLAN ID 1 and Ingress Filtering disabled in the port table and VLAN membership U in the static VLAN table Note Operating the redundancy manager and two Switch coupling functions at the same time runs the risk of creating a loop L Select two Switch redundant coupling see fig 16 Partner Coupling coupling port port STAND BY Figure 16 Two Switch coupling The following settings apply to the Switch displayed in blue in the selected graphic C Select the coupling port see fig 15 see table 9 With Coupling port you specify at which port you are connecting the network segments L If the STANDBY DIP switch is ON connect the main line to the coupling port Redundancy L2E 36 Release 4 1 03 08 Redundant coupling 3 2 Configuring the redundant coupling Note Configure the coupling port and the HIPER Ring ports on different ports C Activate the function in the Operation frame see fig 15 The displays in the Select port frame mean see fig 15 Port mode The port is either
50. partner coupling ports VLAN ID 1 and Ingress Filtering disabled in the port table and VLAN membership U in the static VLAN table Redundancy mode CI In the Redundancy Mode frame select see fig 10 Redundant Ring Network Coupling or Extended Redundancy Redundancy L2E 30 Release 4 1 03 08 Redundant coupling 3 2 Configuring the redundant coupling fh HIRSCHMANN A Belden Company RingiNetwork Coupling Select Configuration PIHA C STAND BY STAND BY E C STAND BY STAND BY E Select Port Module Port Coupling port h z fa Port mode fstand b Port state fect e Partner coupling port Port mode fect ve Port state not connectec I 2 Control port b p Port state not connected Operation Information Redundancy Mode Coupling Mode C On J Redundancy guaranteed Redundant Ring Network Coupling Ring Coupling C off I Configuration failure Extended Redundancy Network Coupling Set Reload Delete coupling configuration Help Figure 10 Selecting the redundancy mode With the Redundant Ring Network Coupling setting either the main line or the redundant line is active Both lines are never active simulta neously With the Extended Redundancy setting the main line and the redundant line are simultaneously active if the connection line between the Switches in the connected network fails see fig 11 During the re
51. pends on the topological conditions and the desired level of safety see table 4 Redundancy L2E 22 Release 4 1 03 08 Redundant coupling One Switch coupling The two Switches are in impractical topologi cal positions Putting the lines down between them would involve a lot of work for two Switch coupling If the Switch config ured for the redundant coupling fails no con nection remains be tween the networks Use Disadvantage Less work involved in connecting the two Switches to the net work compared with two Switch coupling Advantage 3 1 The variants of redundant coupling Two Switch coupling Two Switch coupling The two Switches are in practical topological positions Putting down a control line would involve a lot of work Much work involved in connecting the two Switches to the net work compared with one Switch coupling If one of the Switches configured for the re dundant coupling fails there is still a connec tion between the net works with control line The two Switches are in practical topological positions Putting down a control line would not involve much work Much work involved in connecting the two Switches to the net work compared with one Switch and two Switch coupling If one of the Switches configured for the re dundant coupling fails there is still a connec tion between the net works Table 4 Selection criteria for the variants of the r
52. plete or incorrectly configured To avoid continuous loops the Switch sets the port state of the coupling port to off if you switch off operation or change the configuration while the connections are in operation at these ports Note The following settings are required for the coupling ports you select the Basic Settings Port Configuration dialog Port on Automatic configuration autonegotiation on for twisted pair connections Manual configuration 100 Mbit s FDX for glass fiber connections Note If VLANS are configured note the VLAN configuration of the coupling and partner coupling ports In the Network Ring Coupling configuration select for the coupling and partner coupling ports VLAN ID 1 and Ingress Filtering disabled in the port table and VLAN membership U in the static VLAN table Redundancy mode CI In the Redundancy Mode frame select see fig 24 Redundant Ring Network Coupling or Extended Redundancy Redundancy L2E Release 4 1 03 08 45 Redundant coupling 46 RingiNetwork Coupling Select Configuration 3 2 Configuring the redundant coupling fh HIRSCHMANN A Belden Company ye EFi Lo Lo EI STANDBY C STAND BY STAND BY Select Port Module Port Coupling port a g po Port mode fect e Port state Jactive Partner coupling port Port mode jstand by Port state not connec
53. pling Note Configure the partner coupling port and the HIPER Ring ports on different ports Redundancy L2E 28 Release 4 1 03 08 Redundant coupling 3 2 Configuring the redundant coupling L Select the coupling port see fig 9 see table 8 With Coupling port you specify at which port you are connecting the redundant line Switch Coupling port RS2 Not possible RS2 16M Adjustable for all ports default setting port 1 RS20 Adjustable for all ports default setting port 1 4 RS30 Adjustable for all ports default setting port 1 4 RS40 Adjustable for all ports default setting port 1 4 MICE Adjustable for all ports default setting port 1 4 PowerMICE Adjustable for all ports default setting port 1 4 MS 20 Adjustable for all ports default setting port 1 4 MS 30 Adjustable for all ports default setting port 2 4 RSR20 30 Adjustable for all ports default setting port 1 4 MACH 1000 Adjustable for all ports default setting port 1 4 MACH 3000 Adjustable for all ports MACH 4000 Adjustable for all ports default setting port 1 4 Table 8 Port assignment for one Switch coupling Note Configure the coupling port and the HIPER Ring ports on different ports L Activate the function in the Operation frame see fig 9 L You now connect the redundant line The displays in the Select port frame mean see fig 9 Port mode The port is either active or in stand by mode Port state
54. rk segments are connected using two separate paths with one of the following Switches RS2 16M RS20 RS30 RS40 MICE from rel 3 0 or PowerMICE MS 20 MS 30 RSR20 RSR30 MACH 1000 MACH 3000 from rel 3 3 MACH 4000 The redundant coupling is effected by the one Switch coupling of two ports of one Switch in the first ring network segment to one port each of two Switches in the second ring network segment see fig 7 Immediately after the main line fails the Switch opens the redundant line When the main line is OK again the main line is opened again and the redundant line is blocked again An error is detected and eliminated within 500 ms typically 150 ms The redundant coupling is effected by the two Switch coupling of one port each from two Switches in the first ring network segment to one port each of two Switches in the second ring network segment see fig 13 The Switch in the redundant line and the Switch in the main line use control packets to inform each other about their operating states via the Ethernet or the control line Immediately after the main line fails the redundant Switch releases the redundant line As soon as the main line is restored to normal operation the Switch in the main line informs the redundant Switch The main line is released again and the redundant line is blocked again An error is detected and eliminated within 500 ms typically 150 ms The type of coupling primarily de
55. ted IP Address f 0 0 0 Control port jo fo Port state not connected Operation Information Redundancy Mode Coupling Mode C On I Redundancy guaranteed C Redundant RingMNetwork Coupling Ring Coupling oft IT Configuration failure Set Reload Delete coupling configuration Extended Redundancy Network Coupling Help Figure 24 Selecting the redundancy mode With the Redundant Ring Network Coupling setting either the main line or the redundant line is active Both lines are never active simulta neously With the Extended Redundancy setting the main line and the redundant line are simultaneously active if the connection line between the Switches in the connected network fails see fig 25 During the reconfiguration period there may be package duplications Therefore only select this setting if your application detects package duplications Figure 25 Extended redundancy Coupling mode Redundancy L2E Release 4 1 03 08 Redundant coupling 3 2 Configuring the redundant coupling The coupling mode indicates the type of the connected network L In the Coupling Mode frame select see fig 26 Ring Coupling or Network Coupling fh HIRSCHMANN A Belden Company RingiNetwork Coupling Select Configuration Bal FH EA FHH Lo 0 STANDE Le stano ey STAND BY Select Port Module Port Coupling port fb fe Portmode facti
56. undant coupling 3 2 4 Two Switch coupling with control line Redundancy Manager On Ea K Ed Main line Redundant line sii ccna asin i x lt O STAND BY _ STAND BY BE x O Figure 20 Example of Two Switch coupling with control line The coupling between two networks is effected by the main line thick blue line If the main line fails the redundant line thick blue dotted line takes over coupling the two networks The coupling is effected by two Switches The Switches send their control packets via a control line The Switch to which you connect the main line and the Switch to which you connect the redundant line are partners as regards the coupling Redundancy L2E 40 Release 4 1 03 08 Redundant coupling 3 2 Configuring the redundant coupling O Connect the two partners via their ring ports O Select the Redundancy Ring Network Coupling dialog LI Select two Switch main coupling with control line see fig 21 Control port SS Partner Coupling _ gt can S STAND BY Figure 21 Two Switch coupling with control line The following settings apply to the Switch displayed in blue in the selected graphic CI Select the coupling port see fig 22 see table 10 With Coupling port you specify at which port you are connecting the redundant line LI If the STANDBY DIP switch is OFF connect the main line to the coupling port C Select the
57. ve Port state active Partner coupling port Port mode jstand by Port state not connected IP Address j 0 0 0 Control port b p Port state not connected Operation Information Redundancy Mode Coupling Mode On J7 Redundancy guaranteed C Redundant RingNetwork Coupling Ring Coupling C Off I Configuration failure Extended Redundancy Network Coupling Set Reload Delete coupling configuration Help Figure 26 Selecting the coupling mode L Select Ring coupling if you are connecting a HIPER Ring L Select Network Coupling if you are connecting a line structure Delete coupling configuration L The Delete coupling configuration button in the dialog allows you to reset all the coupling settings of the device to the state on delivery Redundancy L2E Release 4 1 03 08 47 Redundant coupling 48 3 2 Configuring the redundant coupling Redundancy L2E Release 4 1 03 08 Rapid Spanning Tree 4 Rapid Spanning Tree Note The Spanning Tree protocol and the Rapid Spanning Tree protocol are protocols for MAC bridges They are described in the standards IEEE 802 1D 2004 and IEEE 802 1w For this reason the following description of these protocols usually employs the term bridge instead of switch Local networks are getting bigger and bigger This applies to both the geo graphical expansion and the number of network participants Therefore it often makes sense to use multiple bridges
58. y If you want to select one of these grayed out configurations you put the STAND BY DIP switch on the Switch into the other position Note One Switch coupling The redundancy function is assigned to the Switch via the STAND BY setting in the DIP switch or via the Management Note Two Switch coupling The redundancy function is assigned to the Switch in the redundant line via the STAND BY setting in the DIP switch or via the Management Note Some devices have a DIP switch with which you can choose between the software configuration and the DIP configuration If the software con figuration is set the other DIP switches have no effect Note The choice of configuration primarily depends on the topological conditions and the desired level of security see table 4 Note For redundancy security reasons a combination of Rapid Spanning Tree and Ring Network Coupling is not possible Redundancy L2E 26 Release 4 1 03 08 Redundant coupling 3 2 Configuring the redundant coupling 3 2 2 One Switch coupling Redundancy Manager On 4 Main line P Redundant line 4 4 4 1 Partner coupling port F Coupling port Be O STAND BY pe Redundancy Manager On Figure 7 Example of one Switch coupling The coupling between two networks is effected by the main line thick blue line which is connected to the partner coupling port If the main line fails the redundant line thick blue dotted line whic

User Manual Redundancy Configuration L2E

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