Home

Redundancy Configuration User Manual Rel. 5.0, L2SE

1. Operat exit show Ring tion enable tion set to E fast hiper ri ID 1 Defaul nabled Switch to the Configuration mode ng Show the current parameters of the Fast HIPER Ring t Fast HIPER Ring ID Mode of Switch administrative setting Ring Manager Mode of Switch real operating state Ring Manager Ring NaMe se oceceens ood one sch oe dow sed es i Snes os lt empty gt Number of nodes in the ring 3 Port Number Primaryieccesc es cascescereses 1 1 State Not Connected Port Number Secondary 2ee00 1 2 State Not Connected VLAN DD ieeicse cae eeee ae a eae be a ed oa ed s aaa aa O No VLAN Ope atiOn eenei eket entea ne n e ee Enabled General Operating States FHR Setup Info Config Failure Ring Port Link Error Manager related Operating States Ring State sisas rese ri laa pa apr REEERE Open Redundancy Guaranteed 20068 No Ro nd Trip Delay aira ia aaa s 0 Note Deactivate the Spanning Tree protocol for the ports connected to the redundant ring because Spanning Tree and Ring Redundancy work with dif ferent reaction times Redundancy Rapid Spanning Tree Port L Now you connect the line to the ring To do this you connect the 2 devices to the ends of the line using their ring ports 31007126 03 2 010 33 Ring Redundancy 2 4 Exam
2. 5 1 2 Bridge parameters Each bridge is uniquely described by the parameters Bridge Identifier Root Path Costs for the bridge ports Port Identifier 5 1 3 Bridge Identifier The Bridge Identifier consists of 8 bytes The 2 highest value bytes are the priority The default setting for the priority number is 32 768 but the Management Administrator can change this when configuring the network The 6 lowest value bytes of the bridge identifier are the bridge s MAC ad dress The MAC address allows each bridge to have unique bridge identifiers The bridge with the smallest number for the bridge identifier has the highest priority MSB LSB 80 oj o of 8 ow n o a lt 5 Priority MAC Address Figure 40 Bridge Identifier Example values in hexadecimal notation 78 31007126 03 2010 Rapid Spanning Tree 5 1 The Spanning Tree Protocol 5 1 4 Root Path Costs Each path that connects 2 bridges is assigned a cost for the transmission path cost The Switch determines this value based on the transmission speed see table 14 It assigns a higher path cost to paths with lower trans mission speeds Alternatively the Administrator can set the path cost Like the Switch the Administrator assigns a higher path cost 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 advantage among redundant paths The
3. Configuration failure The function is incorrectly configured or the cable connections at the ring ports are improperly configured e g not plugged into the ring ports 22 31007126 03 2010 Ring Redundancy 2 2 Example of an MRP Ring 2 2 Example of an MRP Ring A network contains a backbone in a line structure with 3 devices To increase the availability of the backbone you decide to convert the line structure to a redundant ring In contrast to the previous example devices from different manufacturers are used which do not all support the HIPER Ring protocol However all devices support MRP as the ring redundancy protocol so you decide to deploy MRP You use ports 1 1 and 2 2 of the devices to connect the lines 1 2 3 ch Che BOCs RM Figure 6 Example of MRP Ring RM Ring Manager main line redundant line The following example configuration describes the configuration of the ring manager device 1 You configure the 2 other devices 2 to 3 in the same way but without activating the ring manager function This example does not use a VLAN You have entered 200 ms as the ring recovery time and all the devices support the advanced mode of the ring manager 31007126 03 2010 23 Ring Redundancy 2 2 Example of an MRP Ring Note For devices with DIP switches put all DIP switches to On The effect of this is that you can use the software configuration to configure the redun dancy function without an
4. LI You have the option of entering a name for the Sub Ring in the example Test L Select the Sub Ring Manager mode SRM mode You thus specify which connection between the primary ring and the Sub Ring be comes the redundant line The options for the connection are Both Sub Ring Managers have the same setting default manag er the device with the higher MAC address manages the redundant line Inthe SRM Mode field a device is selected to be the redundant manager this device manages the redundancy line as long as you have configured the other Sub Ring Manager as a manager otherwise the higher MAC address applies Configure Sub Ring Manager 1 as the manager and Sub Ring Manager 2 as the manager of the redundant line with redundant manager in accordance with the overview drawing for this example 31007126 03 2010 Multiple Rings 3 1 Sub Ring L Leave the fields VLAN ID default 0 and MRP Domain default 259 255 255 255 255 255 255 255 255 255 255 255 255 255 255 2 55 as they are The example configuration does not require any change here L Click Set to temporarily save the entry in the configuration LI Click Back to return to the Sub Ring dialog enable Switch to the Privileged EXEC mode configure Switch to the Configuration mode sub ring new ring 1 Creates a new Sub Ring with the Sub Ring ID 1 Sub Ring ID created ID 1 sub ring port 1 9 Defines port 9 in module 1 as the Su
5. can result in minor or moderate injury 31007126 03 2010 Safety information PLEASE NOTE Electrical equipment should be installed operated ser viced and maintained only by qualified personnel No responsibility is assumed by Schneider Electric for any consequences arising out of the use of this material 2010 Schneider Electric All Rights Reserved 4 31007126 03 2010 About this Manual About this Manual Validity Note The data and illustrations found in this book are not binding We reserve the right to modify our products in line with our policy of continuous product de velopment The information in this document is subject to change without no tice and should not be construed as a commitment by Schneider Electric Product Related Information Schneider Electric assumes no responsibility for any errors that may appear in this document If you have any suggestions for improvements or amend ments or have found errors in this publication please notify us No part of this document may be reproduced in any form or by any means electronic or mechanical including photocopying without express written permission of Schneider Electric All pertinent state regional and local safety regulations must be observed when installing and using this product For reasons of safety and to ensure compliance with documented system data only the manufacturer should per form repairs to components When devices are used
6. of the control packets on the subnetworks is distributed much more evenly The result is the configuration shown here see fig 46 The distances between the individual bridges and the root bridge are now shorter P BID 16384 POF Bridge 2 P BID 40960 P BID 20480 P BID 24576 P BID 32768 Port 2 _ Bridge 7 Bridge 4 l Bridge 3 Bridge 1 Port 1 l l l l l l P BID 36864 l Port 3 P BID 28672 l nanan Bridge 6 Bridge 5 P BID Priority of the bridge identifikation BID BID without MAC Address Root path Interrupted path Figure 46 Example of tree structure manipulation 31007126 03 2010 87 Rapid Spanning Tree 5 6 The Rapid Spanning Tree Protocol 5 6 The Rapid Spanning Tree Protocol The RSTP uses the same algorithm for determining the tree structure as STP RSTP merely changes parameters and adds new parameters and mechanism that speed up the reconfiguration if a link or bridge becomes in operable The ports play a significant role in this context 5 6 1 Port roles RSTP assigns each bridge port one of the following roles see fig 47 Root port This is the port on which a bridge receives data packets with the lowest path costs from the root bridge If there is more than 1 port with the same low path costs the bridge identifier determines which port is the root port If there is more than 1 port with the same low path costs connected to the same bridge the port identifier
7. Bridge 1 P BID 20480 P BID 24576 Q Bridge 2 Bridge 3 P BID 40960 T Bridge 7 l P BID 28672 P BID 32768 P BID Priority of the bridge identifikation BID BID without MAC Address Root path Interrupted path Root port Designated port ll Alternate port Ill Backup port lt gt Edge port Figure 47 Port role assignment 5 6 2 Port states Depending on the tree structure and the state of the selected connection paths the RSTP assigns the ports their states 90 31007126 03 2010 Rapid Spanning Tree 5 6 The Rapid Spanning Tree Protocol 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 15 Relationship between port state values for STP and RSTP a The dotid MIB shows Disabled b The dottd MIB shows Blocked Meaning of the RSTP port states Disabled port does not belong to the active topology Discarding no address learning in FDB no data traffic except BPDUs Learning address learning active FDB no data traffic except BPDUs Forwardi
8. FDX 1 Gbit s FDX or 10 Gbit s FDX according to the port s capabilities for glass fiber connections Note If VLANs are configured set the coupling and partner coupling ports VLAN configuration as follows inthe dialog Switching VLAN Port Port VLAN ID 1 and Ingress Filtering deactivated inthe dialog Switching VLAN Static VLAN Membership U Un tagged Redundancy mode CI In the Redundancy Mode frame select see fig 23 Redundant Ring Network Coupling or Extended Redundancy 31007126 03 2010 Ring Network Coupling 4 2 Preparing a Ring Network cou pling Select Configuration e i i H aot ol N ee ee H lo Lo to 1o EI STANDBY C STAND BY STAND BY C STAND BY Select Port z a STAND BY Module Port Coupling port fr g po Port mode fstand b Port state far e Partner coupling port Port mode factive Port state not connected 1 Control port p p Port state not connectec Operation Information Redundancy Mode gt Coupling Mode C on J Redundancy existing C Redundant Ring Network Coupling Ring Coupling C off I Configuration failure Extended Redundancy C Network Coupling Set Reload Delete coupling configuration Help Figure 23 Selecting the redundancy mode With the Redundant Ring Network Coupling setting either the main line or the redundant line is active The lines are n
9. a hub is connected A Point to point connection is a direct con nection between 2 RSTP devices The direct local communications between the 2 switches results in a short reconfiguration time Designated Displays the bridge identification of Bridge identification Root the designated root bridge for this hexadecimal port Designated Display of the costs for the path from Cost Cost this port to the root Switch Designated Port Display of the port identifier on the Port identification designated Switch of the port that hexadecimal and connects to the root bridge for the port number local port Table 17 Port related RSTP settings and displays 100 Protocol Default setting auto is calculated FDX true HDX false 31007126 03 2010 Rapid Spanning Tree 5 7 Combining RSTP and MRP 5 7 Combining RSTP and MRP In the MRP compatibility mode the device allows you to combine RSTP with MRP With the combination of RSTP and MRP the fast switching times of MRP are maintained The RSTP diameter see fig 50 depends on the Max Age It applies to the devices outside the MRP Ring Note The combination of RSTP and MRP presumes that both the root bridge and the backup root bridge are located within the MRP Ring Figure 52 Combination of RSTP and MRP 1 MRP Ring 2 RSTP Ring RM Ring Manager To combine RSTP with MRP you perform the following steps in sequence Configure MRP on each device in the
10. criterion see fig 42 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 determined Figure 43 Flow diagram for specifying the root path 82 31007126 03 2010 Rapid Spanning Tree 5 3 Example of Root Path Determination 5 3 Example of Root Path Determination The network plan see fig 44 can be used to create the flow diagram see fig 43 for defining the root path The Administrator has defined a different priority for for each bridge s bridge identifier The bridge with the smallest number for the bridge identifier will become 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 isblocked because a connection from bridge 3 to the root bridge via bridge 2 has a higher path cost The path from bridge 6 to the root bridge is interesting The path via bridge 5 and bridge 3 create the same root path costs as the path via bridge 4 and bridge 2 The path via bridge 4 is selected because the value 28 672 for its priority in the bridge identifier is smaller than value 32 768 However there are also 2 paths between bri
11. the devices in accordance with the above table The MRP Ring s redundant line is connected Figure 53 Application example for the combination of RSTP and MRP 1 MRP Ring 2 RSTP Ring 3 Redundant RSTP connection RM Ring Manager S2 is RSTP Root Bridge S1 is RSTP Backup Root Bridge 103 31007126 03 2010 Rapid Spanning Tree 5 7 Combining RSTP and MRP O Activate RSTP at the ports using S1 as an example enable configure interface 1 1 spanning tree exit interface 1 2 spanning tree exit interface 1 3 spanning tree exit port mode port mode port mode Switch to the Privileged EXEC mode Switch to the Configuration mode Switch to the Interface Configuration mode of interface 1 1 Activate RSTP on the port Switch to the Configuration mode Switch to the interface configuration mode for port 1 2 Activate RSTP on the port Switch to the Configuration mode Switch to the interface configuration mode for port 1 3 Activate RSTP on the port Switch to the Configuration mode L Configure the global settings using S1 as an example the RSTP priority global operation the MRP compatibility mode spanning tree mst priority 0 4096 spanning tree spanning tree stp mrp mode Set the RSTP priority to the value 4 096 Activate RSTP operation globally Activate MRP compatibility LI Configure the other switches S2 though S6 with their respective val
12. 1007126 03 2010 Introduction 1 Introduction The device contains a range of redundancy functions HIPER Ring MRP Ring Fast HIPER Ring TCSESM E Ring Network Coupling Rapid Spanning Tree Algorithm RSTP 31007126 03 2010 11 Introduction 1 1 Overview of Redundancy Topolo gies 1 1 Overview of Redundancy Topologies To introduce redundancy onto layer 2 of a network first clarify which network topology you require Depending on the network topology selected you then choose from the redundancy protocols that can be used with this network topology The following topologies are possible Network topology Possible redundancy Comments procedures Tree structure with Only possible in combi out loops cycle nation with physical free loop creation Topology with 1 RSTP Ring Redundan Ring Redundancy procedures HIPER Ring Fast loop cy HIPER Ring or MRP provide shorter switching times than RSTP Topology with 2 RSTP Ring Redundan Ring Redundancy one rimary ring with a Sub loops cy Sub Ring Ring or an MRP Ring with an RSTP Ring Topology with 3 RSTP Ring Redundan The ring coupling provides particular support non nested loops cy Sub Ring Ring when redundantly coupling a redundant ring to coupling another redundant ring or to any structure that only works with Schneider Electric devices Topology with RSTP Sub Ring Ring Ring coupling only couples non nested rings nested loops coupling though these
13. 31007126 03 ConneXium Ethernet Cabling System TCSESM TCSESM E Managed Switch Redundancy Configuration User Manual Schneider www schneider electric com iP E ectr i C 31007126 03 2010 Content Content 1 1 1 2 2 2 2 3 2 4 4 1 4 2 Content Safety information About this Manual Key Introduction Overview of Redundancy Topologies Overview of Redundancy Protocols Ring Redundancy Example of a HIPER Ring 2 1 1 Setting up and configuring the HIPER Ring Example of an MRP Ring Example of a Fast HIPER Ring Example for HIPER Ring with Straight Cables Multiple Rings Sub Ring 3 1 1 Example configuration Ring Network Coupling Variants of the ring network coupling Preparing a Ring Network coupling 4 2 1 STAND BY switch 4 2 2 One Switch coupling 4 2 3 Two Switch coupling 4 2 4 Two Switch Coupling with Control Line 31007126 03 2010 11 12 13 15 17 19 23 29 34 37 38 41 Content 5 2 5 3 5 4 5 5 5 6 5 7 Rapid Spanning Tree The Spanning Tree Protocol 5 1 1 The tasks of the STP 5 1 2 Bridge parameters 5 1 3 Bridge Identifier 5 1 4 Root Path Costs 5 1 5 Port Identifier Rules for Creating the Tree Structure 5 2 1 Bridge information 5 2 2 Setting up the tree structure Example of Root Path Determination Example of Root Path Manipulation Example of Tree Structure Manipulation The Rapid Spanning Tree Protocol 5 6 1 Port roles 5 6 2 Port states 5 6 3 Spa
14. 4 in the illustration However there arealso 2 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 becomes inoperable 31007126 03 2010 85 Rapid Spanning Tree P BID 16384 Bridge 1 P BID 32768 P BID 32768 a Bridge 2 Bridge 3 P BID 32768 Leth Bridge 7 P BID 32768 P BID 32768 fof l Bridge 4 l Port 1 l l l r I l l l P BID 32768 l Bridge 6 Figure 45 Example of root path manipulation 86 Interrupted path 5 4 Example of Root Path Manipulation Priority of the bridge identifikation BID BID without MAC Address 31007126 03 2010 Rapid Spanning Tree 5 5 Example of Tree Structure Mani pulation 5 5 Example of Tree Structure Manipulation The Management Administrator soon discovers that this configuration with bridge 1 as the root bridge see on page 83 Example of Root Path Determination 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
15. Configuration Redundancy Manager MV Advanced Mode Redundancy Manager Mode On C Off Operation Ring Recovery C On C 500ms Off 200ms LAN VLAN ID Information Set Reload Delete ring configuration Figure 7 Ring Redundancy Dialog TCSEM r ersion C HIPER Ring MRP C Fast HIPER Ring Ring Port 1 _ Ring Port 2 Module 1 Module Port 1 Port Operation Operation p Configuration Redundancy Manager V Advanced Mode Redundancy Manager Mode On C Off Operation Ring Recovery C On 500ms Off 200ms LAN WYLAN ID Information Set Reload Delete ring configuration Figure 8 Ring Redundancy dialog TCSESM E 31007126 03 2010 25 Ring Redundancy 2 2 Example of an MRP Ring 26 LI In the Ring Recovery frame select 200 ms Note If selecting 200 ms for the ring recovery does not provide the ring stability necessary to meet the requirements of your network you select 500 ms Note Settings in the Ring Recovery frame only take effect for devices configured as ring managers Under Configuration Redundancy Manager activate the advanced mode Activate the ring manager for this device Do not activate the ring manager for any other device in the MRP Ring Leave the VLAN ID as 0 in the VLAN field Switch the operation of the MRP Ring on Click Set to temporarily save th
16. HIPER Ring This example can be set up with the device type TCSESM E A network contains a backbone in a line structure with 3 devices To increase the redundancy reliability of the backbone you have decided to convert the line structure to a ring redundancy In contrast to the previous example you need a very short switch over time in a redundancy case about 10 ms Only TCSESM E devices are being used so you decide on the Fast HIPER Ring as the ring redundancy protocol You use ports 1 1 and 1 2 of the devic es to connect the lines 1 2 3 RM Figure 9 Example of Fast HIPER Ring RM Ring Manager main line redundant line The following example configuration describes the configuration of the ring manager device 1 The 2 other devices 2 to 3 are configured in the same way but without activating the ring manager function No VLAN used in this example 31007126 03 2010 29 Ring Redundancy 2 3 Example of a Fast HIPER Ring A Warning RING LOOP HAZARD Configure all the devices of the Ring individually Before you connect the redundant line you must complete the configuration of all the devices of the Ring Failure to follow these instructions can result in death serious injury or equipment damage LI Set up the network to meet your demands LI You configure all 6 ports so that the transmission speed and the duplex settings of the lines correspond to the following table Bit rat
17. MRP Ring Activate RSTP on the RSTP ports and on the MRP Ring ports 31007126 03 2010 101 Rapid Spanning Tree 5 7 Combining RSTP and MRP Configure the RSTP root bridge and the RSTP backup root bridge in the MRP Ring Set the priority If you exceed the RSTP diameter specified by the default value of Max Age 20 modify Max Age and Forward Delay accordingly Activate RSTP globally Activate the MRP compatibility mode After configuring all the participating devices connect the redundant RSTP connection 5 7 1 Application example for the combination of RSTP and MRP The figure see fig 53 shows an example for the combination of RSTP and MRP Table 18 Values for the switch configuration in the MRP RSTP example Parameter S1 S2 s3 S4 S5 S6 MRP settings Ring redundancy MRP version MRP MRP MRP MRP Ring port 1 1 2 1 1 1 1 1 1 Ring port 2 1 1 1 2 1 2 PY Port from MRP Ring to the RSTP net 1 3 1 3 Redundancy Manager mode On Off Off Off MRP operation On On Off Off On On RSTP settings For each RSTP port STP State Enable On On On On On On Protocol Configuration Priority 4 096 0 32 768 32 768 32 768 32 768 S2 lt S1 lt S3 and S2 lt S1 lt S4 RSTP Global Operation On On On On On On RSTP Global MRP compatibility On On On On 102 31007126 03 2010 Rapid Spanning Tree 5 7 Combining RSTP and MRP Prerequisities for further configuration You have configured the MRP settings for
18. PER Ring Redundancy State red guaranteed no rm is active HIPER Ring Setup Info Config failure no error HIPER Ring Recovery Delay cece eee ees 500ms LI Now proceed in the same way for the other two devices Note If you have configured VLANs note the VLAN configuration of the ring ports In the configuration of the HIPER Ring you select for the ring ports VLAN ID 1 and VLAN membership Untagged in the static VLAN table 31007126 03 2010 21 Ring Redundancy 2 1 Example of a HIPER Ring Note Deactivate the Spanning Tree protocol on the ports connected to the HIPER Ring because Spanning Tree and Ring Redundancy affect each oth er If you enable the HIPER Ring function by means of the DIP switch RSTP will be disabled automatically LI Now you connect the line to the ring To do this you connect the 2 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 existing One of the lines affected by the function may be interrupted with the redundant line then taking over the function of the interrupted line
19. RP Ring Spanning Tree and Ring Redundancy affect each other Note If you want to configure an MRP Ring using the Command Line Inter face you must define an additional parameter When configured using CLI an MRP Ring is addressed via its MRP domain ID The MRP domain ID is a sequence of 16 number blocks 8 bit values Use the default domain of 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 for the MRP domain ID This default domain is also used internally for a configuration via the Web based interface Configure all the devices within an MRP Ring with the same MRP domain ID enable Switch to the Privileged EXEC mode configure Switch to the Configuration mode mrp new domain default domain Create anew MRP Ring with the default domain 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 MRP domain created Domain ID 29522599 255 250 259 209 295 259 259 255 255 255 255 255 259 2559 Default MRP domain mrp current domain Define port 1 of module 1 as ring port 1 primary port primary 1 1 Primary Port set to 1 1 mrp current domain Define port 2 of module 1 as ring port 2 second port secondary 1 2 ary Secondary Port set to 1 2 31007126 03 2010 27 Ring Redundancy mrp current domain mode manager Mode of Switch set to Manager mrp current domain recovery delay 200 ms Recovery delay set to 200 ms mrp current domain advanced mode enable Advanced Mode react on link m
20. a primary ring under MRP configure both rings in different VLANs You configure either the Sub Ring Managers Sub Ring ports and the devices of the Sub Ring in a separate VLAN Here multiple Sub Rings can use the same VLAN or the devices of the primary ring including the Sub Ring Managers pri mary ring ports in a separate VLAN This reduces the configuration effort when coupling multiple Sub Rings to a primary ring 3 1 1 Example configuration The following section shows in detail the configuration of a simple Sub Ring example Example description You want to couple a new network segment with 3 devices to an existing redundant ring with the HIPER Ring protocol If you couple the network at both ends instead of only one end this provides increased availability with the corresponding configuration The new network segment will be coupled as a Sub Ring The coupling to the primary ring is performed by existing devices of the type TCSESM E Configure these devices as Sub Ring Managers 31007126 03 2010 41 Multiple Rings 3 1 Sub Ring Figure 16 Example of a Sub Ring structure 1 Blue ring primary ring 2 Orange ring Sub Ring SRM Sub Ring Manager RM Ring Manager Proceed as follows to configure a Sub Ring LI Configure the three devices of the new network segment as partici pants in an MRP Ring This means Configure all the ring ports in accordance with the port settings ta ble see table 7 Bit r
21. as given in the following table Port 1 1 1 2 Port on yes checked yes checked Autonegotiation no not checked no not checked Automatic Configuration Manual Configuration 100 Mbit s FDX 100 Mbit s FDX Manual Cable Crossing disable enable Table 6 Port settings for ring ports when using straight cables Note You can also use the ring redundancy protocol MRP instead of HIPER Ring when employing TCSESM E switches you can also use Fast HIPER Ring 31007126 03 2010 35 Ring Redundancy 36 2 4 Example for HIPER Ring with Straight Cables 31007126 03 2010 Multiple Rings 3 Multiple Rings You can set up multiple rings with multiple redundancy protocols It can nest MRP Rings A coupled ring is known as a Sub Ring see on page 38 Sub Ring You can couple to MRP Rings to other structures that work with RSTP including RSTP rings see on page 101 Combining RSTP and MRP 31007126 03 2010 37 Multiple Rings 3 1 Sub Ring 3 1 Sub Ring For the device TCSESM E The Sub Ring concept enables you to easily couple new network segments to suitable devices in existing redundancy rings primary rings The devices of the primary ring to which the new Sub Ring is being coupled are referred to as Sub Ring Managers SRMs Figure 12 Example of a Sub Ring structure 1 Blue ring primary ring 2 Orange ring Sub Ring SRM Sub Ring Manager RM Ring Manager Note The following devices support the Sub R
22. ate 100 Mbit s 1000 Mbit s Autonegotiation Off On automatic configuration Port On On Duplex Full Table 7 Port settings for ring ports 42 Define different VLAN membership for the primary ring and the Sub Ring even if the primary ring uses the MRP protocol e g VLAN ID 1 for the primary ring and VLAN ID 2 for the Sub Ring For all ring ports in the Sub Ring select this VLAN ID and the VLAN membership Tagged T in the static VLAN table Switch the MRP Ring function on for all devices In the Ring Redundancy dialog under MRP Ring configure for all devices the two ring ports used in the Sub Ring 31007126 03 2010 Multiple Rings 3 1 Sub Ring Switch the Ring Manager function off for all devices Switch RSTP off for the MRP Ring ports used in the Sub Ring Assign the same MRP domain ID to all devices Note The MRP domain ID is a sequence of 16 number blocks value range 0 to 255 The default domain default domain is the MRP do main ID 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 An MRP domain ID consisting only of 0 blocks is invalid If you need to adjust the MRP domain ID open the Command Line Inter face CLI and proceed as follows enable Switch to the Privileged EXEC mode configure Switch to the Configuration mode mrp delete domain Deletes the current MRP domain If no MRP do current domain main exists an error message appears MRP current domain deleted D
23. ault value 128 It also applies here that the port with the smallest number for the port identifier has the highest priority MSB LSB MYT SY Priority Port number Figure 42 Port Identifier 80 31007126 03 2010 Rapid Spanning Tree 5 2 Rules for Creating the Tree Struc ture 5 2 Rules for Creating the Tree Structure 5 2 1 Bridge information To determine the tree structure the bridges need 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 5 2 2 Setting up the tree structure The bridge with the smallest number for the bridge identifier is called the root bridge It is or will become 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 become as small as possible If more than 1 path exists 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 31007126 03 2010 81 Rapid Spanning Tree 5 2 Rules for Creating the Tree Struc ture Of more than 1 path with the same root path costs originate from a bridge the port identifier is used as the last
24. b Ring port Port set to 1 9 sub ring 1 ring name Test Assigns the name Test to Sub Ring 1 Sub Ring Ring name set to Test sub ring 1 mode manager Configures the mode of this Sub Ring Manager as manager Mode of Switch set to manager LI Click Reload to update the Sub Ring overview and check all the entries Max Table Entries fi Sub Ring Function Configuration Redundancy Module existing Port SEM MOSS nay POUL a 1 O L i manager i 0 00 00 00 00 00 2 Set Reload New Delete entry Help ee Figure 18 Completely configured Sub Ring Manager 31007126 03 2010 45 Multiple Oo OO ogo Rings 3 1 Sub Ring Configure the 2nd Sub Ring Manager in the same way If you have explicitly assigned SRM 1 the SRM mode manager you configure SRM 2 as redundant manager Otherwise the assignment is performed automatically via the higher MAC address see above Switch the two Sub Ring Managers on under Function on off in the overview of the Sub Ring dialog Click Set to temporarily save the entry in the configuration Select the dialog Basic Settings Load Save In the Save frame select To Device for the location and click Save to permanently save the configuration in the active configu ration enable Switch to the Privileged EXEC mode configure Switch to the Configuration mode su
25. b ring 1 operation enable Switches on the Sub Ring with the Sub Ring ID 1 Operation set to Enabled exit Switch to the privileged EXEC mode show sub ring Displays the state for all Sub Rings on this de vice Ring ID 1 Mode of Switch administrative setting manager Mode of Switch real operating state manager Port Number eee ee ee ee ee ee eee 1 9 State Forwarding PrOCOCOl Vdsecdabiceeiecehcetisarecar dcackes Standard MRP MERE Domar Durera sae cee cor uacr tar aec sc urcedr E sar cede tsar ood sears 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255Ri TG IN ATC uo sa Sousig cis ip gg sasha v0 Fe ss E a poet v0 sel sae so E vo 9 ve Tg ve dal ete ie elve Test Parener MAC 22263 94 24 2400208 6hE242649 d 0049E E28 02 EH3 00 1B 00 09 VLAN IDs oi ei ei oe eee ee ee ee ee ee ew O No VLAN Op tak LOM tit teh oes Geka eee Wee eee ee ee eas Enabled General Operating States SRM Setup Info Config Failure No Error Manager related Operating States Ring States c sce te ween ate dod dos aa aos erie ahaa ene eS Open Redundancy Guaranteed eee ee ee ee ee ees No copy system running config Save the current configuration to the non volatile nvram startup config memory L When you have configured both SRMs and if applicable the devices included in the Sub Ring close theSub Ring s redundant line 46 31007126 03 2010 Ring Network Coupling 4 Ring Network C
26. can couple local Sub Rings Table 1 Overview of Redundancy Topologies The Ring Redundancy Protocol MRP has particular properties to offer It can nest MRP Rings A coupled ring is known as a Sub Ring see on page 38 Sub Ring You can couple to MRP Rings to other structures that work with RSTP including RSTP rings see on page 101 Combining RSTP and MRP 12 31007126 03 2010 Introduction 1 2 Overview of Redundancy Protocols 1 2 Overview of Redundancy Protocols Redundancy procedure RSTP HIPER Ring MRP Ring Fast HIPER Ring TCSESM E Redundant coupling Network topology Switching time Random structure typically lt 1 s STP lt 30 s up to lt 30 s depends heavily on the number of devices Note Up to 79 devices possible depending on topology and configuration If the default values factory settings are used up to 39 devices are possible de pending on the topology see page 75 Ring typically 80 ms up to lt 500 ms or lt 300 ms selectable the number of switches has a minimal effect on the switch over time Ring typically 80 ms up to lt 500 ms or lt 200 ms selectable the number of switches has a minimal effect on the switch over time Note In combination with RSTP in MRP compatibility mode up to 39 devices are possible depending on the configuration If the default values factory set tings for RSTP are used up to 19 devices are possible see page 75 Ring
27. ceives an RSTP frame it will transi tion to the blocking state and the bridge will then determine the new port role If the parameter s value is false the port remains in the blocked state until the bridge has determined the port role Only after that will the port transition to its final state Is true if no RSTP frames have been received i e a terminal de vice that does notsend RSTP frames is connected to this port Is false if RSTP frames have been received i e no terminal device but a bridge is connected The setting for Auto Edge Port only takes effect if the parameter Oper Edge Port has been set to false if Auto Edge Port is set to true the port will transition to the forward ing state within 1 5 Hello Time 3 seconds If is is set to false it will take 30 seconds until the edge port forwards data frames 5 6 The Rapid Spanning Tree Protocol Value range Default setting on on off disabled forwarding discarding blocking learning 16 lt n 16 lt 240 128 0 200 000 000 0 true false false true false true false false Table 17 Port related RSTP settings and displays 31007126 03 2010 99 Rapid Spanning Tree 5 6 The Rapid Spanning Tree Parameter Meaning Value range Oper Point If this port has a full duplex link to true false ToPoint another RSTP device the value for Oper PointToPoint will become true else it will become false e g if
28. ctive 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 28 Redundancy existing If the main line becomes inoperable the redundant line will then take over the function of the main line Configuration failure The function is incomplete or incorrectly configured 31007126 03 2010 61 Ring Network Coupling 4 2 Preparing a Ring Network cou pling Select Configuration RE 10 EI STANDBY HEA F ees 1o q eg ch o 1o Bq Po ch o C STAND BY STAND BY E C STAND BY STAND BY Select Port Module Port Coupling port a po Port mode factive Partner coupling port Saalai b po jort state not connecter Operation Information Redundancy Mode Coupling Mode On El Redundancy existing C Redundant Ring Network Coupling Ring Coupling C Off I Configuration failure Extended Redundancy Network Coupling Set Reload Delete coupling configuration Help Figure 28 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 the operation setting or change the configuration while the connections are in operation at these ports Note The following settings are re
29. d Delete ring configuration 2 1 Example of a HIPER Ring Help Help 31007126 03 2010 Ring Redundancy 2 1 Example of a HIPER Ring L Activate the ring manager for this device Do not activate the ring manager for any other device in the HIPER Ring L In the Ring Recovery frame select the value Standard default Note Settings in the Ring Recovery frame only take effect for devices configured as ring managers LI Click Set to temporarily save the entry in the configuration enable Switch to the Privileged EXEC mode configure Switch to the Configuration mode hiper ring mode ring manager Select the HIPER Ring ring redundancy and de fine the device as ring manager Switch s HIPER Ring mode set to ring manager hiper ring port primary 1 1 Define port 1 in module 1 as ring port 1 HIPER Ring primary port set to 1 1 hiper ring port secondary 1 2 Define port 2 in module 1 as ring port 2 HIPER Ring secondary port set to 1 2 exit Switch to the privileged EXEC mode show hiper ring Display the HIPER Ring parameters HIPER Ring Mode of the Switch ring manager configuration determined by management HIPER Ring Primary Port of the Switch 1 1 state active HIPER Ring Secondary Port of the Switch 1 2 state active HIPER Ring Redundancy Manager State active HI
30. determines which port is the root port see fig 43 The root bridge itself 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 more than 1 bridge has the same root path costs the bridge with the smallest value bridge identifier becomes the designated bridge The port on this bridge that connects it to a network segment lead ing to the root bridge is the designated port 88 31007126 03 2010 Rapid Spanning Tree 5 6 The Rapid Spanning Tree Protocol Edge port Every network segment with no additional RSTP bridges is connected with exactly one designated port In this case this designated port is 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 Units Alternate port This is a blocked port that takes over the task of the bridge port if the connection to the root bridge is lost The alternate port provides a backup connection 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 any RSTP bridges is lost Disabled port This is the port that does not participate in the Spanning Tree Operation i e is switched off or does not have any connection 31007126 03 2010 89 Rapid Spanning Tree 5 6 The Rapid Spanning Tree Protocol P BID 16 384
31. devices the reconfiguration time increases Devices with HIPER Ring function capability Within a HIPER Ring you can use any combination of the following devices TCSESM TCSESM E Within an MRP Ring you can use devices that support the MRP protocol based on IEC62439 Within a Fast HIPER Ring you can use the following device TCSESM E Note Enabled Ring Redundancy methods on a device are mutually exclu sive at any one time When changing to another Ring Redundancy method deactivate the function for the time being Note The following usage of the term ring manager instead of redundancy manager makes the function easier to understand 16 31007126 03 2010 Ring Redundancy 2 1 Example of a HIPER Ring 2 1 Example of a HIPER Ring A network contains a backbone in a line structure with 3 devices To increase the redundancy reliability of the backbone you have decided to convert the line structure to a HIPER Ring You use ports 1 1 and 1 2 of the devices to connect the lines 1 2 3 a c ach aoc RM Figure 3 Example of HIPER Ring RM Ring Manager main line redundant line The following example configuration describes the configuration of the ring manager device 1 The two other devices 2 to 3 are configured in the same way but without activating the ring manager function Select the Standard value for the ring recovery or leave the field empty 31007126 03 2010 17 Ring Red
32. dge 6 and bridge 4 The port identifier is decisive here 31007126 03 2010 83 Rapid Spanning Tree 5 3 Example of Root Path Determination P BID 16384 Bridge 1 P BID 20480 P BID 24576 a Bridge 2 Bridge 3 P BID 40960 Leh Bridge 7 P BID 28672 P BID 32768 fof l Bridge 4 l Port 1 l l l r P BID Priority of the bridge identifikation BID BID without MAC Address Root path I l l l P BID 36864 l Interrupted path Bridge 6 Figure 44 Example of root path determination 84 31007126 03 2010 Rapid Spanning Tree 5 4 Example of Root Path Manipulation 5 4 Example of Root Path Manipulation The network plan see fig 44 can be used to create the flow diagram see fig 43 for defining the root path The Administrator left the default value of 32 768 for each bridge except for bridge 1 bridge 1 value was set to 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 blocked by the protocol because a connec tion from bridge 3 to the root bridge via bridge 2 has a higher path cost 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
33. e 100 Mbit s 1000 Mbit s Autonegotiation off on automatic configuration Port on on Duplex Full Table 5 Port settings for ring ports O Select the Redundancy Ring Redundancy dialog C Under Version select Fast HIPER Ring LI Define the desired ring ports 1 and 2 by making the corresponding entries in the module and port fields If it is not possible to enter a module then there is only one module in the device that is taken over as a default 30 31007126 03 2010 Ring Redundancy 2 3 Example of a Fast HIPER Ring Dispiay i in Operation field forwarding this port is switched on and has a link gt blocked this port is blocked and has a link disabled this port is disabled not connected this port has no link C HIPER Ring MRP Fast HIPER Ring Ring Port 1 Ring Port 2 Module l Module fi Port Port 2 Operati J Operation J Redundancy Manag Mode On C Off Operation Ring Information C On Round Trip Delay J off VLAN VLAN ID Switches Number 3 Information Set Reload Delete ring configuration 9 Help Figure 10 Ring Redundancy dialog TCSESM E L Activate the ring manager for this device Do not activate the ring manager for any other device in the Fast HIPER Ring Activate the function in the Operation frame Leave the VLAN ID as 0 in the VLAN field In the Switches frame enter the number of Switches in the ring in Number This entry is used t
34. e coupling mode L Select Ring coupling if you are connecting to a redundancy ring C Select Network Coupling if you are connecting to a line or tree 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 74 31007126 03 2010 Rapid Spanning Tree 5 Rapid Spanning Tree Note The Spanning Tree and Rapid Spanning Tree protocols based on IEEE 802 1D 2004 and IEEE 802 1w respectively are protocols for MAC bridges 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 geographical expansion and the number of network participants Therefore it usually makes sense to use multiple bridges for example to reduce the network load in sub areas 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 that can stop communications on the network The Rapid Spanning Tree Protocol RSTP enables redundancy by interrupting these loops RSTP is a further development of the Spanning Tree Protocol STP and is compatible with it If communication is unable to pass through a connection or a bridge the STP takes up to 30 seconds to reconfigure This was no lon g
35. e entry in the configuration OOO Oo OQ The displays in the Information frame mean Redundancy existing One of the lines affected by the function may be interrupted with the redundant line then taking over the function of the interrupted line Configuration failure The function is incorrectly configured or the cable connections at the ring ports are improperly configured e g not plugged into the ring ports The VLAN frame enables you to assign the MRP Ring to a VLAN L If VLANs are configured you make the following selections in the VLAN frame VLAN ID 0 if the MRP Ring configuration is not to be assigned to a VLAN as in this example Select VLAN ID 1 and VLAN membership U Untagged in the static VLAN table for the ring ports AVLAN ID gt 0 if the MRP Ring configuration is to be assigned to this VLAN For all devices in this MRP Ring enter this VLAN ID in the MRP Ring configuration and then choose this VLAN ID and the VLAN membership Tagged T in the static VLAN table for all ring ports in this MRP Ring 31007126 03 2010 Ring Redundancy 2 2 Example of an MRP Ring Note For all devices in an MRP Ring activate the MRP compatibility in the Rapid Spanning Tree Global dialog if you want to use RSTP in the MRP Ring If this is not possible perhaps because individual devices do not support the MRP compatibility you deactivate the Spanning Tree protocol at the ports connected to the M
36. e false M 128 0 false false true a M 128 o false false true M 128 o false false true Iv 128 0 false false true M 128 0 false false true M 128 ft false true Vv manualF 128 0 false true M 128 i false true M 128 o false true M 128 i false true M 128 0 false true Vv 128 i false true Vv 128 oO false true Vv 128 0 false true M 128 o false true M 128 o false true Vv 128 0 false true M 128 oO false true Vv 128 0 false true v 128 0 false true sa Reload Figure 51 Configuring RSTP per port Note Deactivate the Spanning Tree Protocol on the ports connected to a redundant ring because Spanning Tree and Ring Redundancy work with different reaction times 98 31007126 03 2010 Rapid Spanning Tree Parameter STP State En able Port State Priority Port Path Cost Admin Edge Port Oper Edge Port Auto Edge Port Meaning Here you can turn RSTP on or off for this port If you turn RSTP off for this port while RSTP is globally en abled for the device the device will discard RSTP frames received on this port Displays the port state Here you enter the first byte of the port identification Enter the path costs to indicate pref erence for redundant paths If the value is 0 the Switch automatically calculates the path costs according to the transmission rate If the parameter is set to true the port will transition to the forwarding state If the port nevertheless re
37. e not possible grayed out you put the DIP switches on the device into another posi tion and reload the dialog Note For reasons of redundancy reliability do not use Rapid Spanning Tree and Ring Network Coupling in combination 52 31007126 03 2010 Ring Network Coupling 4 2 Preparing a Ring Network cou pling 4 2 2 One Switch coupling RM Fi 4 v4 5 Fd 6 4 v4 3 lel 4 5 l l STAND BY 2 l l RM Figure 20 Example of one Switch coupling 1 Backbone 2 Ring 3 Partner coupling port 4 Coupling port 5 Main Line 6 Redundant Line 31007126 03 2010 53 Ring Network Coupling 4 2 Preparing a Ring Network cou pling A Warning RING NETWORK COUPLING LOOP HAZARD Configure all the devices that participate actively in the Ring Network Coupling individually Before you connect the redundant line you must omplete the configuration of all the devices that participate actively in the Ring Network Coupling Failure to follow these instructions can result in death serious injury or equipment damage The coupling between two networks is performed by the main line solid blue line in the normal mode of operation which is connected to the partner cou pling port If the main line becomes inoperable the redundant line dashed blue line which is connected to the coupling port takes over the ring net work coupling The coupling switch over is performed by one Switch O Selec
38. e with DIP switches you switch the STAND BY switch to ON or deactivate the DIP switches You connect the redundant line to the coupling port CI Select the control port see fig 35 see table 13 With Control port you specify to which port you connect the control line Note Configure the coupling port and the redundancy ring ports on different ports C Activate the function in the Operation frame see fig 28 O Now connect the redundant line and the control line The displays in the Select port frame mean see fig 35 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 31007126 03 2010 71 Ring Network Coupling 4 2 Preparing a Ring Network cou pling The displays in the Information frame mean see fig 22 Redundancy existing If the main line becomes inoperable the redundant line will then take over the function of the main 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 the operation setting or change the configuration while the connections are in operation at these ports Note The following settings are required for the coupling ports
39. ed 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 The decentralized direct communication between neighboring bridges enables immediate reaction to status changes in the spanning tree architecture Address table With STP the age of the entries in the address table determines the updating of the communication RSTP immediately deletes the entries for 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 and the like 92 31007126 03 2010 Rapid Spanning Tree 5 6 The Rapid Spanning Tree Protocol Note The drawback for this fast reconfiguration is the possibility that data packets may be duplicated or their sequence be altered during the reconfig uration phase If this is unacceptable for your application use the slower Spanning Tree Protocol or select one of the other faster redundancy proce dures described in this manual 5 6 5 Configuring the Rapid Spanning Tree L Set up the network to meet your demands A Warning RSTP LOOP HAZARD Configure all the devices of the RSTP configuration individually Before you onnect the redundant lines you must complete the configuration of all de ices in the RSTP configu
40. er acceptable in time sensitive applications The STP was therefore devel oped to the RSTP leading to average reconfiguration times of less than a second If you use RSTP ina ring topology with 10 to 20 devices you can achieve reconfiguration times in the range of milliseconds Note RSTP resolves a given topology to a tree structure Spanning Tree The number of devices in a branch from the root to the branch tip is limited by the parameter Max Age The default value for Max Age is 20 it can be increased to 40 If the root device becomes inoperable and another device takes over the root function the maximum possible number of devices in a branch will be limited by the new root s Max Age setting 31007126 03 2010 75 Rapid Spanning Tree Note The RSTP Standard dictates that all the devices 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 Note Due to a change in the IEEE 802 1D 2004 standard on which RSTP is based the Standards Commission has reduced the maximum value for the Hello Time from 10 to 2 When firmware versions prior to 5 x are upgraded to version 5 x or higher the firmware automatically changes a locally entered Hello Time value gt 2 to 2 If the device is not the RSTP root Hello Time values greater than 2 can re main valid depending on the firmware version of the ro
41. ete 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 66 31007126 03 2010 Ring Network Coupling 4 2 Preparing a Ring Network cou pling 4 2 4 Two Switch Coupling with Control Line RM fe 3 4 5 i RM aah ota oan m J4 i gt STAND BY STAND BY NO Figure 33 Example of Two Switch coupling with control line 1 Backbone 2 Ring 3 Main line 4 Redundant line 5 Control line 31007126 03 2010 67 Ring Network Coupling 4 2 Preparing a Ring Network cou pling A Warning RING NETWORK COUPLING LOOP HAZARD Configure all the devices that participate actively in the Ring Network Coupling individually Before you connect the redundant line you must omplete the configuration of all the devices that participate actively in the Ring Network Coupling Failure to follow these instructions can result in death serious injury or equipment damage The coupling between 2 networks is performed by the main line solid blue line If the main line or one of the adjacent Switches becomes inoperable the redundant line dashed black line takes over coupling the 2 networks The coupling is performed by two Switches The Switches send their control packets over a control line dotted line The Switch connected to the main line and the Switch connected to the re dundant line are
42. ever both active at the same time With the Extended Redundancy setting the main line and the re dundant line are simultaneously active if the connection line between the devices in the connected i e remote network becomes inoperable see fig 24 During the reconfiguration period packet duplications may occur Therefore select this setting only if your application detects package duplications Figure 24 Extended redundancy Coupling mode The coupling mode indicates the type of the connected network L In the Coupling Mode frame select see fig 25 Ring Coupling or Network Coupling 31007126 03 2010 57 58 Ring Network Coupling 4 2 Preparing a Ring Network cou pling Select Configuration Bq fq fq EH ea Q 1 1 call wea 10 as 10 as bq PS ch o Lo as Bq Po 3 o EI stanpey C STAND BY STAND EY EJ C STAND BY STAND Bv Select Port Module Port Coupling port h 3 fa Port mode stand by Port state fect ve Partner coupling port Port mode fect e Port state not connected I Control port p p Port state fnot connectec Operation Information Redundancy Mode Coupling Mode C On J7 Redundancy existing C Redundant Ring Network Coupling Ring Coupling C Off I Configuration failure Extended Redundancy Network Coupling Set Reload Delete coupling configuration Help Figure 25 Selecting the coupling mode O Select R
43. evice It takes you step by step from the first startup op eration 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 the other information that you need to install the device before you begin with the configuration of the device The Web based Interface reference manual contains detailed information on using the Web interface to operate the individual functions of the device 6 31007126 03 2010 About this Manual The Command Line Interface reference manual contains detailed informa tion on using the Command Line Interface to operate the individual functions of the device 31007126 03 2010 7 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 E 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 fa 31007126 03 2010 00 Hub A random computer Configuration Computer Server PLC Programmable logic controller I O Robot PY 31007126 03 2010 Key 10 3
44. evices to the network compared with one Switch coupling If one of the devices configured for the re dundant coupling be comes inoperable the coupled networks are still connected with control line The 2 devices are in practical topological positions Installing a control line would not involve much effort More effort for connecting the two devices to the network compared with one Switch and two Switch coupling If one of the devices configured for the re dundant coupling be comes inoperable the coupled networks are still connected Table 8 Selection criteria for the configuration types for redundant coupling Note Choose a configuration based on topological conditions and the level of availability you require see table 8 31007126 03 2010 49 Ring Network Coupling 4 2 Preparing a Ring Network cou pling 4 2 Preparing a Ring Network coupling 4 2 1 STAND BY switch All devices have a STAND BY switch with which you can define the role of the device within a Ring Network coupling Depending on the device type this switch is either a DIP switch or a software only setting Redundancy Ring Network Coupling dialog By setting this switch you define whether the device performs the main coupling or the redundant coupling role within a Ring Network coupling You can find details on the DIP switches in the User Manual Installation Device type STAND BY switch type TCSESM Selectable DIP swi
45. for applications with technical safety requirements please follow the relevant instructions Failure to use Schneider Electric software or approved software with our hardware products may result in improper operating results Failure to observe this product related warning can result in injury or equip ment damage User Comments We welcome your comments about this document You can reach us by e mail at techpub schneider electric com 31007126 03 2010 5 About this Manual Related Documents Title of Documentation Reference Number ConneXium Ethernet Cabling System Managed Switch 31007126 03 User Manual Redundancy Configuration ConneXium Ethernet Cabling System Managed Switch 31007122 04 User Manual Basic Configuration ConneXium Ethernet Cabling System Managed Switch 31007130 03 Reference Manual Command Line Interface ConneXium Ethernet Cabling System Managed Switch El100000000482 01 Reference Manual Web based Interface ConneXium Ethernet Cabling System Managed Switch 31007118 05 Installation Manual TCSESM ConneXium Ethernet Cabling System Managed Switch E100000000529 01 Installation Manual TCSESM E Note The Glossary you will find in the Reference Manual Command Line In terface The Redundancy Configuration user manual contains the information you need to select a suitable redundancy procedure and configure it The Basic Configuration user manual contains the information you need to start operating the d
46. ges over the Ethernet The Switch connected to the main line and the Switch connected to the re dundant line are partners with regard to the coupling O Connect the two partners via their ring ports O Select the Redundancy Ring Network Coupling dialog LI Select Two Switch coupling by means of the dialog button with the same graphic as below see fig 27 STAND BY Figure 27 Two Switch coupling 1 Coupling port 2 Partner coupling port The following settings apply to the Switch displayed in blue in the selected graphic 60 31007126 03 2010 Ring Network Coupling 4 2 Preparing a Ring Network cou pling L Select the coupling port see fig 28 see table 12 With Coupling port you specify to which port you connect the re mote network segment LI For a device with DIP switches you switch the STAND BY switch to OFF or deactivate the DIP switches Connect the main line to the coupling port Device Coupling port TCSESM Adjustable for all ports default setting port 1 4 TCSESM E Adjustable for all ports default setting port 1 4 Table 12 Port assignment for the redundant coupling two Switch coupling Note Configure the coupling port and the redundancy ring ports on different ports C Activate the function in the Operation frame see fig 28 LI Now connect the redundant line The displays in the Select port frame mean see fig 28 Port mode The port is either a
47. ing 1 two Switch coupling 2 or two Switch coupling with control line 3 see fig 19 31007126 03 2010 51 Ring Network Coupling 4 2 Preparing a Ring Network cou pling Module Port Coupling port h 5 js Port mode fstand by Ol Partner coupling port Port mode fect e Port state not connecter 1 Control port p p Port state not connected Operation Information Redundancy Mode Coupling Mode C On J7 Redundancy existing C Redundant Ring Network Coupling Ring Coupling C Off I Configuration failure Extended Redundancy Network Coupling Set Reload Help Figure 19 Choosing the ring coupling configuration when the DIP switch is off or for devices without a DIP switch For devices without DIP switches the software settings are not restrict ed For devices with DIP switches depending on the DIP switch posi tion the dialog displays the possible configurations in color while those configurations that are not possible appear in gray The possible configurations are DIP switch RM ON or OFF STAND BY OFF Two Switch coupling as master with or without control line DIP switch RM OFF STAND BY ON One Switch coupling and two Switch coupling as slave with or with out control line DIP switch RM ON STAND BY ON DIP switches are deactivated and the software settings are not re stricted If you want to select one of the configurations that ar
48. ing Manager function TCSESM E In a Sub Ring you can integrate all devices that support MRP the Sub Ring Manager function is not neccessary 38 31007126 03 2010 Multiple Rings 3 1 Sub Ring ak up Sub Rings has the following advantages gt Through the coupling process you include the new network segment in the redundancy concept gt You can easily integrate new company areas into existing networks gt You easily map the organizational structure of a company in the network topology gt Asan MRP Ring the switching times of the Sub Ring in redundancy cas es are typically lt 100 ms The following graphics show examples of possible Sub Ring topologies Figure 13 Example of an overlapping Sub Ring structure 31007126 03 2010 39 Multiple Rings 3 1 Sub Ring Figure 14 Special case a Sub Ring Manager manages 2 Sub Rings 2 instances Depending on the device type you can configure additional instances LX Figure 15 Special case a Sub Ring Manager manages both ends of a Sub Ring at different ports Single Sub Ring Manger Note Connect Sub Rings only to existing primary rings Do not cascade Sub Rings i e a new Sub Ring must not be connected to an existing Sub Ring 40 31007126 03 2010 Multiple Rings 3 1 Sub Ring Note Sub Rings use MRP You can couple Sub Rings to existing primary rings with the HIPER Ring protocol the Fast HIPER Ring protocol and MRP If you couple a Sub Ring to
49. ing coupling if you are connecting to a redundancy ring L Select Network Coupling if you are connecting to a line or tree 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 31007126 03 2010 Ring Network Coupling 4 2 Preparing a Ring Network cou 4 2 3 Two Switch coupling 1 Ln 3 RM x lO STAND BY 2 Figure 26 Example of two Switch coupling 1 Backbone 2 Ring 3 Main line 4 Redundant line 31007126 03 2010 pling Ba I I I I xe O 4 STAND BY Ea 59 Ring Network Coupling 4 2 Preparing a Ring Network cou pling A Warning RING NETWORK COUPLING LOOP HAZARD Configure all the devices that participate actively in the Ring Network Coupling individually Before you connect the redundant line you must omplete the configuration of all the devices that participate actively in the Ring Network Coupling Failure to follow these instructions can result in death serious injury or equipment damage The coupling between 2 networks is performed by the main line solid blue line If the main line or one of the adjacent Switches becomes inoperable the redundant line dashed black line takes over coupling the 2 networks The coupling is performed by two Switches The switches send their control packa
50. ion as follows inthe dialog Switching VLAN Port Port VLAN ID 1 and Ingress Filtering deactivated inthe dialog Switching VLAN Static VLAN Membership U Un tagged Note If you are operating the Ring Manager and two Switch coupling functions at the same time there is the possibility of creating a loop 64 31007126 03 2010 Ring Network Coupling 4 2 Preparing a Ring Network cou pling Redundancy mode CI In the Redundancy Mode frame select see fig 30 Redundant Ring Network Coupling or Extended Redundancy Select Configuration wed amp o Eistanoey BY Select Port Module Port Coupling port a x fe Port mode factive Port state fective Partner coupling port Port mode stanc by Port state not connected IP Address i 0 0 0 Control port p p Port state fnot connected Operation Information Redundancy Mode Coupling Mode On I Redundancy existing C Redundant RingMetwork Coupling Ring Coupling C off I Contiguretion failure Extended Redundancy Network Coupling Set Reload Delete coupling configuration Help Figure 30 Selecting the redundancy mode With the Redundant Ring Network Coupling setting either the main line or the redundant line is active The lines are never both active at the same time With the Extended Redundancy setting the main line and the re dundant line are simultaneously act
51. ive if the connection line between the devices in the connected i e remote network becomes inoperable see fig 31 During the reconfiguration period packet duplications may occur Therefore select this setting only if your application detects package duplications Figure 31 Extended redundancy 31007126 03 2010 65 Ring Network Coupling 4 2 Preparing a Ring Network cou pling Coupling mode The coupling mode indicates the type of the connected network L In the Coupling Mode frame select see fig 32 Ring Coupling or Network Coupling Select Configuration z eH HeH z ri H 1 meal 1 Eq pd Bo p B to 1o FF 1o to 10 _ EsTanDev Cl sTanp sy STAND 6V E C STAND BY STAND Bv J Select Port Module Port Coupling port b o Port mode feri e Port state fcii je Port mode stand by Port state not connected Partner coupling port IP Address Control port b p Operation Information _ Redundancy Mode _ Coupling Mode On I Redundancy existing Redundant Ring Network Coupling Ring Coupling C Off I Configuration failure Extended Redundancy Network Coupling Set Reload Delete coupling configuration Help Figure 32 Selecting the coupling mode L Select Ring coupling if you are connecting to a redundancy ring L Select Network Coupling if you are connecting to a line or tree structure Del
52. l assume the value in the right column The left column shows the value cur 6 40 s see a 6s rently being used by the root bridge Contrary to the past STP meaning Max Age now for RSTP denotes the maximum permissible branch length number of devices to the root bridge If you configure the current device as the root bridge the other devices in the entire network will as sume the value in the right column Table 16 Global RSTP settings 96 31007126 03 2010 Rapid Spanning Tree 5 6 The Rapid Spanning Tree Protocol Figure 50 Definition of diameter and age The diameter is the number of connections between the two devices furthest away from the root bridge The parameters Forward Delay and Max Age have a relationship to each other Forward Delay gt Max Age 2 1 If you enter values that contradict this relationship the device then replaces these values with a default value or with the last valid values L When necessary change and verify the settings and displays that relate to each individual port dialog Rapid Spanning Tree Port 31007126 03 2010 97 Rapid Spanning Tree 5 6 The Rapid Spanning Tree Protocol i true fal Enable Pathcost EdgePort EdgePort EdgePort PointToPoint Priority MAC Adres disa e 128 0 false false OF 467 M 128 0 false false tru
53. ling port and the redundancy ring ports on different ports 31007126 03 2010 63 Ring Network Coupling 4 2 Preparing a Ring Network cou pling L Activate the function in the Operation frame see fig 28 The displays in the Select port frame mean see fig 28 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 28 Redundancy existing If the main line becomes inoperable the redundant line will then take over the function of the main 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 1 Gbit s FDX or 10 Gbit s FDX according to the port s capabilities for glass fiber connections Note If VLANs are configured set the coupling and partner coupling ports VLAN configurat
54. lt 25 ms with 50 devices in ring Coupling of network typically 150 ms up to lt 500 ms segment rings via a main line and a redundant line Table 2 Comparison of the redundancy procedures 31007126 03 2010 13 Introduction 1 2 Overview of Redundancy Protocols 14 31007126 03 2010 Ring Redundancy 2 Ring Redundancy The concept of ring redundancy allows the construction of high availability ring shaped network structures With the help of the RM Ring Manager function the two ends of a backbone in a line structure can be closed to a redundant ring The ring manager keeps the redundant line open as long as the line structure is intact If a segment becomes inoperable the ring manager immediately closes the redundant line and line structure is intact again Figure 1 Line structure Figure 2 Redundant ring structure RM Ring Manager main line redundant line 31007126 03 2010 15 Ring Redundancy If a section is down the ring structure of a HIPER HIGH PERFORMANCE REDUNDANCY Ring with up to 50 de vices typically transforms back to a line structure within 80 ms possible settings standard accelerated MRP Media Redundancy Protocol Ring IEC 62439 of up to 50 devices typically transforms back to a line structure within 80 ms adjustable to max 200 ms 500 ms Fast HIPER Ring of up to 5 devices typically transforms back to a line structure within 5 ms maximum 10 ms With a larger number of
55. n 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 The displays in the Information frame mean see fig 22 Redundancy existing If the main line becomes inoperable the redundant line will then take over the function of the main line Configuration failure The function is incomplete or incorrectly configured 31007126 03 2010 55 Ring Network Coupling 4 2 Preparing a Ring Network cou 56 pling Select Configuration mid be bd z bd z Par ed per ee Pe ca ec x Pas aa Ll STAND BY Bvd Te Select Port Module Port Coupling port h 14 Port mode fstand by Port state fective Partner coupling port Port mode jactive Port state Jnot connected I Contral port p b Port state not connected Operation p Information Redundancy Mode Coupling Mode C On 7 Redundancy existing Redundant RingNetwork Coupling Ring Coupling oft I Configuration failure Extended Redundancy Network Coupling Set Reload Delete coupling configuration Help Figure 22 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
56. ng address learning active FDB sending and receiving of all frame types not only BPDUs 5 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 Bridge identifier of the root bridge Root path costs for the sending bridge Bridge identifier for the sending bridge Port identifiers of the port through which the message was sent Port identifiers of the port that has received the message 31007126 03 2010 91 Rapid Spanning Tree 5 6 The Rapid Spanning Tree Protocol Based on this information the bridges participating in RSTP are able to de termine port roles autonomously and define their local ports states 5 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 sets an edge port to the transmission mode after 3 seconds and then waits for the Hello Time see table 16 to elapse to ascertainthat no BPDU sending bridge is connected When the user ascertains 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 determin
57. ng ports to normal ports but will keep the ring port settings Independently of the DIP switch setting you can still change the port settings via software Select the Redundancy Ring Redundancy dialog Under Version select HIPER Ring Define the desired ring ports 1 and 2 by making the corresponding entries in the module and port fields If it is not possible to enter a module then there is only one module in the device that is taken over as a default Display in Operation field active This port is switched on and has a link inactive This port is switched off or it has no link 0O O O 31007126 03 2010 19 Ring Redundancy gt ersion HIPER Ring MRP Ring Port 1 Ring Port 2 Module 1 Module fi Port 4 Port k J Operation Operation Redundancy Manager Status Active redundant line Inactive Redundancy Manager Mode On C Off Ring Recovery Standard Accelerated Information Set Reload Delete ring configuration Figure 4 Ring Redundancy Dialog TCSESM Figure 5 Ring Redundancy dialog TCSESM E 20 Version HIPER Ring MRP Fast HIPER Ring Ring Port 1 Ring Port 2 Module fi Module fi Port 1 Port k Operation J Operation Redundancy Manager Status Active redundant line Inactive Redundancy Manager Mode On C Off Ring Recovery Standard Accelerated Information Set Reloa
58. nning Tree Priority Vector 5 6 4 Fast reconfiguration 5 6 5 Configuring the Rapid Spanning Tree Combining RSTP and MRP 5 7 1 Application example for the combination of RSTP and MRP Index 75 T1 TT 78 78 79 80 81 81 81 83 85 87 88 88 90 91 92 93 101 102 105 31007126 03 2010 Safety information Safety information Important Information Notice Read these instructions carefully and look at the equipment to become familiar with the device before trying to install operate or maintain it The following special messages may appear throughout this documentation or on the equipment to warn of potential hazards or to call attention to information that clarifies or simplifies a procedure indicates that an electrical hazard exists which will result in personal p The addition of this symbol to a Danger or Warning safety label injury if the instructions are not followed personal injury hazards Obey all safety messages that follow this symbol to avoid possible injury or death A DANGER DANGER indicates an imminently hazardous situation which if not avoided will result in death or serious injury f This is the safety alert symbol It is used to alert you to potential A WARNING WARNING indicates a potentially hazardous situation which if not avoided can result in death or serious injury A CAUTION CAUTION indicates a potentially hazardous situation which if not avoided
59. o optimize the reconfiguration time and the stability of the ring L Click Set to temporarily save the entry in the configuration OOO 31007126 03 2010 31 Ring Redundancy 2 3 Example of a Fast HIPER Ring The display in the Ring Information frame means Round Trip Delay round trip delay in us for test packets measured by the ring manager Display begins with 100 us in steps of 100 us Values of 1000 us and greater indicate that the ring may become unstable In this case check that the entry for the number of Switches in the Switches frame is correct The displays in the Information frame mean Redundancy existing One of the lines affected by the function may be interrupted with the redundant line then taking over the function of the interrupted line Configuration failure The function is incorrectly configured or the cable connections at the ring ports are improperly configured e g not plugged into the ring ports The VLAN frame enables you to assign the Fast HIPER Ring to a VLAN LI If VLANs are configured you make the following selections in the VLAN frame VLAN ID O if the Fast HIPER Ring configuration is not to be as signed to a VLAN as in this example Select VLAN ID 1 and VLAN membership U Untagged in the static VLAN table for the ring ports AVLAN ID gt 0 if the Fast HIPER Ring configuration is to be as signed to this VLAN For all device
60. omain ID 25 325562590 62D eZ De 2D eA aD 6 20s 20 6 299209 209 299 299 255 Default MRP domain mrp new domain Creates a new MRP domain with the specified 0 0 1 1 2 2 3 4 4 111 MRP domain ID You can subsequently access 222 123 0 0 66 99 this domain with current domain MRP domain created Domain I O 0 1 1 22 2 304 5 111 2225123 0 0 666 99 Sub Ring configuration A Warning UB RING LOOP HAZARD Configure all the devices of the Sub Ring individually Before you connect he redundant line close the Sub Ring you must complete the configura ion of all the devices of the Sub Ring Failure to follow these instructions can result in death serious injury or equipment damage Proceed as follows to configure the 2 Sub Ring Managers in the example O Select the Redundancy Sub Ring dialog L Click the button New 31007126 03 2010 43 Multiple Rings 3 1 Sub Ring 44 Sub RingID BO Module Port Name fet SRM Mode manager v VLAN booo MRP Domain 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 a s Figure 17 Sub Ring New Entry dialog L Enter the value 1 as the ring ID of this Sub Ring L In the Module Port field enter the ID of the port in the form X X that connects the device to the Sub Ring in the example 1 9 For the connection port you can use all the available ports that you have not already configured as ring ports of the primary ring
61. orts C Activate the function in the Operation frame see fig 28 LI Now connect the redundant line and the control line The displays in the Select port frame mean see fig 35 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 existing If the main line becomes inoperable the redundant line will then take over the function of the main line Configuration failure The function is incomplete or incorrectly configured 31007126 03 2010 69 Ring Network Coupling 4 2 Preparing a Ring Network cou pling Select a sTaND BY Li STAND BY mi H ee ti Select Port Module Port Coupling port a bo Port mode fect e Port state Jactive Partner coupling port Port mode jstancd by Port state not connected IP Address p 0 0 0 Control port fo 5 fo Port state not connected Operation Inforrnation Redundancy Mode Coupling Mode E On J Redundancy existing Redundant RingNetwork Coupling Ring Coupling ott I Configuration failure Extended Redundancy Network Coupling Set Reload Delete coupling configuration Help Figure 35 Selecting the port and enabling disabling operation To a
62. ot device 76 31007126 03 2010 Rapid Spanning Tree 5 1 The Spanning Tree Protocol 5 1 The Spanning Tree Protocol Because RSTP is a further development of the STP all the following descriptions of the STP also apply to the RSTP 5 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 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 redun dant connections for increased communication availability 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 be coming inoperable 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 see table 16 stabilization is achieved within a short time period topology can be specified and reproduced by the administrator transparency for the terminal devices low network load relative to the available transmission capacity due to the tree structure created 31007126 03 2010 TT Rapid Spanning Tree 5 1 The Spanning Tree Protocol
63. oupling Ring Network Coupling allows the redundant coupling of redundant rings and network segments 2 rings network segments are connected via 2 separate paths The ring network coupling supports the coupling of a ring HIPER Ring Fast HIPER Ring or MRP to a second ring also HIPER Ring Fast HIPER Ring or MRP or to a network segment of any structure when all the devices in the coupled network are Schneider Electric devices The ring network coupling supports the following devices TCSESM TCSESM E 31007126 03 2010 47 Ring Network Coupling 4 1 Variants of the ring network cou pling 4 1 Variants of the ring network coupling In the one Switch coupling configuration the redundant coupling is per formed by 2 ports of one device in the first ring network coupled to 1 port each of 2 neighboring devices in a second ring network segment see fig 20 One of the lines the redundant line is blocked for normal traffic dur ing normal operation When the main line becomes inoperable the device immediately opens the redundant line When the main line becomes functional again later the redundant line is again blocked for normal traffic and the main line is used again An error is detected and handled within 500 ms typically 150 ms In the two Switch coupling configuration the redundant coupling is perfor meded by 1 port each on two devices in the first ring network to 1 port each of 2 neighboring devices in the second ring ne
64. partners with regard to the coupling O Connect the two partners via their ring ports O Select the Redundancy Ring Network Coupling dialog LI Select Two Switch coupling with control line by means of the dialog button with the same graphic as below see fig 34 STAND BY Figure 34 Two Switch coupling with control line 1 Coupling port 2 Partner coupling port 3 Control line The following settings apply to the Switch displayed in blue in the selected graphic 68 31007126 03 2010 Ring Network Coupling 4 2 Preparing a Ring Network cou pling L Select the coupling port see fig 35 see table 13 With Coupling port you specify to which port you connect the re mote network segment LI For a device with DIP switches you switch the STAND BY switch to OFF or deactivate the DIP switches Connect the main line to the coupling port C Select the control port see fig 35 see table 13 With Control port you specify to which port you connect the control line Device Coupling port Control port TCSESM Adjustable for all ports Adjustable for all ports default setting port 1 4 default setting port 1 3 TCSESM E Adjustable for all ports Adjustable for all ports default setting port 1 4 default setting port 1 3 Table 13 Port assignment for the redundant coupling two Switch coupling with con trol line Note Configure the coupling port and the redundancy ring ports on different p
65. ple for HIPER Ring with Straight Cables 2 4 Example for HIPER Ring with Straight Cables You can implement this example with the model TCSESM or TCSESM E Figure 11 Example for a HIPER Ring with straight cables 1 Manual Cable Crossing disabled 2 Manual Cable Crossing enabled The following example configuration describes the configuration of a HIPER Ring where straight cables are used between the switches in contrast to the normal case where crossed cables are used between switches The choice which switch is assigned the ring manager function as well as which line is assigned the redundant line in the normal mode of operation is independent from that and is therefore not given in the example 34 31007126 03 2010 Ring Redundancy 2 4 Example for HIPER Ring with Straight Cables RING LOOP HAZARD Configure all the devices of the Ring individually Before you connect the redundant line you must complete the configuration of all the devices of the Ring Failure to follow these instructions can result in death serious injury or equipment damage Note Configure all the devices of the HIPER Ring individually Before you connect the redundant line you must complete the configuration of all the devices of the HIPER Ring You thus avoid loops during the configuration phase L Set up the network to meet your demands LI Configure the transmission rate the duplex mode and the manual cable crossing for the ring ports
66. quired 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 1 Gbit s FDX or 10 Gbit s FDX according to the port s capabilities for glass fiber connections Note If VLANs are configured set the coupling and partner coupling ports VLAN configuration as follows inthe dialog Switching VLAN Port Port VLAN ID 1 and Ingress Filtering deactivated inthe dialog Switching VLAN Static VLAN Membership U Un tagged 62 31007126 03 2010 Ring Network Coupling 4 2 Preparing a Ring Network cou pling Note If you are operating the Ring Manager and two Switch coupling func tions at the same time there is the possibility of creating a loop L Select Two Switch coupling by means of the dialog button with the same graphic as below see fig 27 STAND BY Figure 29 Two Switch coupling 1 Coupling port 2 Partner coupling port The following settings apply to the Switch displayed in blue in the selected graphic C Select the coupling port see fig 28 see table 12 With Coupling port you specify to which port you connect the re mote network segment LI For a device with DIP switches you switch the STAND BY switch to ON or deactivate the DIP switches You connect the redundant line to the coupling port Note Configure the coup
67. rame Root ID Displays the root bridge s bridge identifier Root Port Displays the port leading to the root bridge Root Cost Displays the root cost to the root bridge in the Protocol Configuration Information frame Priority Displays the priority in the bridge identifier for this bridge 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 31007126 03 2010 Rapid Spanning Tree 5 6 The Rapid Spanning Tree Protocol O If necessary change the values for Hello Time Forward Delay and Max Age on the rootbridge The root bridge then transfers this data to the other bridges The dialog displays the data received from the root bridge in the left column In the right column you enter the values which shall apply when this bridge becomes the root bridge For the configuration take note of table 16 Operation on off Root Information Priority I MAC Address Root ld 20480 f0080630f1db0 I This device is root Root Port i 4 Root Cost 220000 r Protocol Configuration Information 32768 MAC Address 00 80 63 51 82 80 Hello Time s a Po Topology Changes kooo Forward Delay s ko hs Time since last change 0 day s 2 14 54 Max Age s fma ho Set Reload Help Figu
68. ration Failure to follow these instructions can result in death serious injury or equipment damage L For devices with DIP switches you switch these to deactivated both to ON so that the software configuration is not restricted O Select the Redundancy Rapid Spanning Tree Global dialog 31007126 03 2010 93 Rapid Spanning Tree 5 6 The Rapid Spanning Tree 94 Protocol L Switch on RSTP on each device Operation on off Root Information Priority 1 MAC Address Root Id 20480 4 00 80 63 Of 1 Root Cost 220000 Protocol Configuration Information Priority 32768 MAC Address Hello Time s E 2 Topology Changes Forward Delay s fo 15 Time since last change 0 day s 2 14 54 Max Age 5 f 20 Set Reload Help Figure 48 Operation on off L Define the desired Switch as the root bridge by assigning it the lowest priority in the bridge information among all the bridges in the network in the Protocol Configuration Information frame Note that only multiples of 4 096 can be entered for this value see table 16 In the Root Information frame the dialog shows this device as the root A root switch has no root port and a root cost of 0 If necessary change the default priority value of 32 768 in other bridges in the network in the same way to the value you want multiples of 4 096 For each of these bridges check the display in the Root Information f
69. re 49 Assigning Hello Time Forward Delay and Max Age The times entered in the RSTP dialog are in units of 1 s Example a Hello Time of 2 corresponds to 2 seconds O Now connect the redundant lines 31007126 03 2010 95 Rapid Spanning Tree 5 6 The Rapid Spanning Tree Parameter Priority Hello Time Forward Delay Max Age Protocol Meaning Value range Default setting The priority and the MAC address go 0 lt n 4 096 lt 61 440 32 768 together to make up the bridge identification The left column shows the value cur 1 2 s 2s rently being used by the root bridge The device periodically receives con figuration frames Hello frames from the root bridge The Hello Time shows the time between 2 successive configuration frames sent by the root bridge If you config ure the current device as the root bridge the other devices in the entire network will assume the value in the right column The left column shows the value cur 4 30 s see a 30s rently being used by the root bridge The predecessor protocol STP used the parameter to control delay the transition time between the states disabled blocking learning forwarding Since the introduction of RSTP this parameter has only secondary relevance because state transitions are negotiated between RSTP bridges without a given time delay If you configure the current de vice as the root bridge the other de vices in the entire network wil
70. redundancy mode With the Redundant Ring Network Coupling setting either the main line or the redundant line is active The lines are never both active at the same time With the Extended Redundancy setting the main line and the re dundant line are simultaneously active if the connection line between the devices in the connected i e remote network becomes inoperable see fig 38 During the reconfiguration period packet duplications may occur Therefore select this setting only if your application detects package duplications Figure 38 Extended redundancy Coupling mode The coupling mode indicates the type of the connected network CI In the Coupling Mode frame select see fig 39 Ring Coupling or Network Coupling 31007126 03 2010 73 Ring Network Coupling 4 2 Preparing a Ring Network cou pling Select Configuration Istanpey ats F a HE Select Port Module Port Coupling port a po Port mode fr ctive Port state fect tive Partner coupling port Port mode stancd b Port state not connected IP Address Ef 0 0 0 Control port jo fo Port state not connected Operation Information Redundancy Mode Coupling Mode On of Redundancy existing C Redundant Ring Network Coupling Ring Coupling C off IT Configuration failure Extended Redundancy Network Coupling Set Reload Delete coupling configuration Help Figure 39 Selecting th
71. root path cost is the sum of all the individual path costs for all paths a data packet travels between the connected port of a bridge and the root bridge ie PC 200000 Badge Pc Path costs Ethernet 100 Mbit s Ethernet 10 Mbit s PC 2000000 Bridge 2 Bridge 3 Figure 41 Path costs 31007126 03 2010 79 Rapid Spanning Tree 5 1 The Spanning Tree Protocol Data rate Recommended value Recommended range Possible range lt 100 kBit 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 14 Recommended path costs for RSTP based on the data rate a Bridges conforming to IEEE 802 1D 1998 that ony support 16 bit values for 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 5 1 5 Port Identifier The Port Identifier consists of 2 bytes One part the least significant byte contains the physical port number This provides a unique identifier for each port of the bridge The second part is the port priority which can be set by the Administrator def
72. rp current domain operation enable Operation set to Enabled exit show mrp Domain ID 255420047 205 2094 250 12509 200 4 2 2 2 Example of an MRP Ring Define this device as the ring manager Define 200 ms as the value for the Ring Recov ery Activate the MRP Advanced Mode change set to Enabled Activate the MRP Ring Go back one level Show the current parameters of the MRP Ring abbreviated display F929 299 299299 2909 25353 455 253 Default MRP domain Configuration Settings Advanced Mode react on link Manager PriOritiyiwd accea eos change Enabled Sues eee ae oe 32768 Mode of Switch administrative setting Manager Mode of Switch real operating state Manager Domain Name Recovery delay Port Number Primary Port Number Secondary MEAN LD has ce vs sal veh sales tal os Ai tals Pe ws ws ta vw ih ne Operationerne E duende khan dane eugene ete gee lt empty gt io 8G eee eee 200 ms ETETETT 1 1 State Not be hed te oe hed teat 1 2 State Not nah thas id ses toh an fe O No VLAN cae eanet aes Enabled Connected Connected ct ct LI Now you connect the line to the ring To do this you connect the 2 devices 28 to the ends of the line using their ring ports 31007126 03 2010 Ring Redundancy 2 3 Example of a Fast HIPER Ring 2 3 Example of a Fast
73. s in this Fast HIPER Ring enter this VLAN ID in the Fast HIPER Ring configuration and then choose this VLAN ID and the VLAN membership T Tagged in the static VLAN table for all ring ports in this Fast HIPER Ring Note If you want to configure a Fast HIPER Ring using the Command Line Interface CLI you must define an additional parameter When configured using CLI a Fast HIPER Ring is addressed via its Fast HIPER Ring ID This ID is a number in the value range 1 to 2 147 480 647 231 1 The default setting is 1 The device also uses this value internally for a configuration via the Web based interface Configure all the devices within a Fast HIPER Ring with the same Fast HIPER Ring ID 32 31007126 03 2010 Ring Redundancy enable configure fast hiper ring new id default id 2 3 Example of a Fast HIPER Ring Switch to the Privileged EXEC mode Switch to the Configuration mode Create a new Fast HIPER Ring with the default ID 1 Ports 1 1 and 1 2 are defined as ring ports here You keep these default values Fast HIPER Ring ID created ID 1 Default Fast HIPER Ring ID fast hiper ring current id Define this device as the ring manager mode ring manager Mode of Switch set to Ring Manager fast hiper ring current id Define the number of devices in the Fast HIPER nodes 3 Ring as 3 Number of nodes set to 3 fast hiper ring current id Activate the Fast HIPER Ring operat
74. t the Redundancy Ring Network Coupling dialog O Select One Switch coupling by means of the dialog button with the same graphic as below see fig 21 O STAND BY Figure 21 One Switch coupling 1 Coupling port 2 Partner coupling port The following settings apply to the Switch displayed in blue in the selected graphic L Select the partner coupling port see fig 22 see table 11 With Partner coupling port you specify at which port you are connecting the main line 54 31007126 03 2010 Ring Network Coupling 4 2 Preparing a Ring Network cou pling The following tables show the selection options and default settings for the ports used in the Ring Network coupling Device Partner coupling port Coupling port TCSESM All ports default setting port 1 3 All ports default setting port 1 4 TCSESM E All ports default setting port 1 3 All ports default setting port 1 4 Table 11 Port assignment for one Switch coupling Note Configure the partner coupling port and the ring redundancy ports on different ports O Select the coupling port see fig 28 see table 11 With Coupling port you specify to which port you connect the re mote network segment Note Configure the coupling port and the redundancy ring ports on different ports C Activate the function in the Operation frame see fig 28 LI Now connect the redundant line The displays in the Select port frame mea
75. tch and software setting TCSESM E Software switch Table 9 Overview of the STAND BY switch types Depending on the device and model set the STAND BY switch in accor dance with the following table see table 10 Note In the following screenshots and diagrams the following conventions are used Blue color denotes devices or lines in the current scope black color denotes devices or lines adjacent to the current scope thick lines denote lines in the current scope thin lines denote lines adjacent to the current scope the dashed line denotes the redundant link 50 31007126 03 2010 Ring Network Coupling 4 2 Preparing a Ring Network cou pling the dotted line denotes the control line Device with DIP switch DIP switch software switch option Software switch Choice of main coupling or redundant coupling On STAND BY DIP switch According to the option selected on STAND BY DIP switch or in the Redundancy Ring Network Coupling dialog by making se lection in Select configuration Note These devices have a DIP switch with which you can choose between the software configuration and the DIP switch configura tion You can find details on the DIP switches in the User Manual Installation In the Redundancy Ring Network Coupling dialog Table 10 Setting the STAND BY switch L Select the Redundancy Ring Network Coupling dialog LI You first select the configuration you want One Switch coupl
76. twork segment see fig 26 The device for the redundant line and the device for the main line use control packets to inform each other about their operating states via the Ethernet or the control line When the main line becomes inoperable the redundant device called the slave opens the redundant line When the main line becomes functional again later the device for the main line informs the redundant device The redundant line is again blocked for normal traffic and the main line is used again An error is detected and handled within 500 ms typically 150 ms The type of coupling configuration is primarily determined by the topological conditions and the desired level of availability see table 8 48 31007126 03 2010 Ring Network Coupling One Switch coupling The 2 devices are in impractical topological positions Therefore putting a line between them would involve a lot of effort for two Switch coupling If the Switch config ured for the redundant coupling becomes in operable no connec tion remains between the networks Less effort involved in connecting the 2 devices to the network compared with two Switch coupling Application Disadvantage Advantage 4 1 Variants of the ring network cou pling Two Switch coupling Two Switch coupling The 2 devices are in practical topological positions Installing a control line would involve a lot of effort More effort for connecting the 2 d
77. ues see table 18 O Connect the redundant RSTP connection 104 31007126 03 2010 Index A Index A Advanced Mode Age Alternate port B Backup port Bridge Identifier Configuration error Configuring the HIPER Ring D Designated bridge Designated port Diameter Disabled port E Edge port F Fast HIPER Ring Forward Delay H Hello Time HIPER Ring L Loops M Max Age Network load P Port state R Rapid Spanning Tree Redundancy Redundancy existing Redundancy functions Redundancy Manager Redundant Redundant coupling 31007126 03 2010 22 26 62 64 70 22 26 23 89 89 78 32 35 89 11 96 96 72 96 77 90 Ring Ring Manager Ring structure Ring Network Coupling Root port RST BPDU RSTP S Sub Ring configuration Symbol v VLAN HIPER Ring settings 21 105
78. undancy 2 1 Example of a HIPER Ring Note As an alternative to using software to configure the HIPER Ring with device TCSESM you can also use a DIP switch to enter a number of settings You can also use a DIP switch to enter a setting for whether the configuration via DIP switch or the configuration via software has priority The state on de livery is Software Configuration You can find details on the DIP switches in the User Manual Installation A Warning RING LOOP HAZARD Configure all the devices of the Ring individually Before you connect the redundant line you must complete the configuration of all the devices of the Ring Failure to follow these instructions can result in death serious injury or equipment damage 18 31007126 03 2010 Ring Redundancy 2 1 Example of a HIPER Ring 2 1 1 Setting up and configuring the HIPER Ring L Set up the network to meet your demands LI You configure all 6 ports so that the transmission speed and the duplex settings of the lines correspond to the following table 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 you use the DIP switch to activate the HIPER Ring the device makes the appropriate settings for the pre defined ring ports in the configu ration table transmission rate and duplex mode When the HIPER Ring function is disabled the ports revert from ri
79. void continuous loops the Switch sets the port state of the coupling port to off if you switch off the operation setting 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 1 Gbit s FDX or 10 Gbit s FDX according to the port s capabilities for glass fiber connections Note If VLANs are configured set the coupling and partner coupling ports VLAN configuration as follows inthe dialog Switching VLAN Port Port VLAN ID 1 and Ingress Filtering deactivated inthe dialog Switching VLAN Static VLAN Membership U Un tagged 70 31007126 03 2010 Ring Network Coupling 4 2 Preparing a Ring Network cou pling L Select Two Switch coupling with control line by means of the dialog button with the same graphic as below see fig 36 STAND BY Figure 36 Two Switch coupling with control line 1 Coupling port 2 Partner coupling port 3 Control line The following settings apply to the Switch displayed in blue in the selected graphic C Select the coupling port see fig 35 see table 13 With Coupling port you specify to which port you connect the re mote network segment LI For a devic
80. y restrictions You thus avoid the possibility of the software configuration being hindered by the DIP switches A Warning RING LOOP HAZARD Configure all the devices of the Ring individually Before you connect the redundant line you must complete the configuration of all the devices of the Ring Failure to follow these instructions can result in death serious injury or equipment damage LI Set up the network to meet your demands LI You configure all 6 ports so that the transmission speed and the duplex settings of the lines correspond to the following table Bit rate 100 Mbit s 1000 Mbit s Autonegotiation off on automatic configuration Port on on Duplex Full Table 4 Port settings for ring ports Select the Redundancy Ring Redundancy dialog Under Version select MRP Define the desired ring ports 1 and 2 by making the corresponding entries in the module and port fields If it is not possible to enter a module then there is only one module in the device that is taken over as a default OOO 24 31007126 03 2010 Ring Redundancy Display in Operation field gt forwarding this port is switched on 2 2 Example of an MRP Ring and has a link gt blocked this port is blocked and has a link gt disabled this port is disabled gt not connected this port has no link Version C HIPER Ring MRP Ring Port 4 Ring Port 2 Module 1 Module Port 1 Port Operation Operation
81. you select the Basic Settings Port Configuration dialog Port on Automatic configuration autonegotiation on for twisted pair connections Manual configuration 100 Mbit s FDX 1 Gbit s FDX or 10 Gbit s FDX according to the port s capabilities for glass fiber connections Note If VLANs are configured set the coupling and partner coupling ports VLAN configuration as follows inthe dialog Switching VLAN Port Port VLAN ID 1 and Ingress Filtering deactivated inthe dialog Switching VLAN Static VLAN Membership U Un tagged Redundancy mode CI In the Redundancy Mode frame select see fig 37 Redundant Ring Network Coupling or Extended Redundancy 72 31007126 03 2010 Ring Network Coupling 4 2 Preparing a Ring Network cou pling Select Configuration 2c 2c DC 2c p Bc 10 10 STAND BY E C STAND BY 1o io EI STANDBY C STAND BY Select Port Module Port Coupling port b a fa Port mode factive Port state fect e Port mode jstanc by Port state Jnot connected Partner coupling port IP Address Control port jo bp Operation Information Redundancy Mode Coupling Mode C On J Redundancy existing C Redundant Ringetwork Coupling Ring Coupling C off I Configuration failure Extended Redundancy Network Coupling Set Reload Delete coupling configuration Help Figure 37 Selecting the

Redundancy Configuration User Manual Rel. 5.0, L2SE

Contents

Download Pdf Manuals

Related Search

Related Contents