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Redundancy Configuration - Industrial Ethernet (Gigabit - e

1. 2 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 HIPER Ring Redundancy State red exists no rm is active HIPER Ring Setup Info Config failure no error HIPER Ring Recovery Delay e eee ee eeee 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 Ingress Filtering disabled in the port table and VLAN membership U in the static VLAN table Note Deactivate the Spanning Tree protocol for the ports connected to the HIPER Ring because Spanning Tree and Ring Redundancy affect each other UM Redundancy Configuration L2P 32 Release 7 1 12 2011 Ring Redundancy 3 1 Example of a HIPER Ring If you used the DIP switch to activate the function of HIPER Ring RSTP is automatically switched off 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 The displays in the Redundancy Manager 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 d
2. 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 Redundancy guaranteed If the main line no longer functions the redundant line takes over the function of the main line Configuration failure The function is incomplete or incorrectly configured UM Redundancy Configuration L2P Release 7 1 12 2011 73 Ring Network Coupling 5 2 Preparing a Ring Network Coupling Select Configuration ee ere HHH HHH E H H mre os z EH HH EAH Ie EI STANDBY 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 31 Two Switch coupling 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
3. 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 Untagged L Select Two Switch coupling with control line by means of the dialog button with the same graphic as below see fig 39 STAND BY ON Figure 39 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 CI Select the coupling port see fig 38 With Coupling port you specify at which port you are connecting the network segments You will find the port assignment for the redundant coupling in table 12 LI Fora 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 C Select the control port see fig 38 With Control port you specify at which port you are connecting the control line UM Redundancy Configuration L2P Release 7 1 12 2011 83 Ring Network Coupling 5 2 Preparing a Ring Network Coupling Note Configure the coupling port and the redundancy ring ports on different ports L Activate the function in the Operation frame see fig 38 LI Now connect the redundant line and the control line
4. 59 60 62 62 71 79 Contents 6 2 6 3 6 4 6 5 6 6 6 7 Spanning Tree The Spanning Tree Protocol 6 1 1 The tasks of the STP 6 1 2 Bridge parameters 6 1 3 Bridge Identifier 6 1 4 Root Path Cost 6 1 5 Port Identifier Rules for Creating the Tree Structure 6 2 1 Bridge information 6 2 2 Setting up the tree structure Example of determining the root path Example of manipulating the root path Example of manipulating the tree structure The Rapid Spanning Tree Protocol 1 Port roles 2 Port states 3 Spanning Tree Priority Vector 4 Fast reconfiguration 5 Configuring the Rapid Spanning Tree mbining RSTP and MRP 1 Application example for the combination of RSTP and MRP O O O O OD O 6 6 6 6 6 O T O Readers Comments Index Further Support 99 101 102 102 104 105 106 107 117 119 122 125 127 UM Redundancy Configuration L2P Release 7 1 12 2011 About this Manual About this Manual The Redundancy Configuration User Manual document contains the information you require to select the suitable redundancy procedure and configure it The Basic Configuration user manual contains the information you need to start operating the device It takes you step by step from the first startup operation through to the basic settings for operation in your environment The Installation user manual contains a device description safety in
5. UM Redundancy Configuration L2P Release 7 1 12 2011 97 Spanning Tree 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 I l l l P BID 36864 l Bridge 6 Figure 47 Example of determining the root path 98 6 3 Example of determining the root path Priority of the bridge identifikation BID BID without MAC Address Interrupted path UM Redundancy Configuration L2P Release 7 1 12 2011 Spanning Tree 6 4 Example of manipulating the root path 6 4 Example of manipulating the root path You can use the network plan see fig 47 to follow the flow chart see fig 46 for determining the root path The Administrator has performed the following Left the default value of 32 768 8000H for every bridge apart from bridge 1 and assigned to bridge 1 the value 16 384 4000H thus making it the root bridge In the example all the sub paths have the same path costs The protocol blocks the path between bridge 2 and bridge 3 as a connection from bridge 3 via bridge 2 to the root bridge would mean higher path costs The path from bridge 6 to the root bridge is interesting The path via bridge 5 and bridge 3 creates the same root path costs as the path via bridge 4 and bridge 2 STP selects the path using the bridge that has the lowe
6. 41 29 102 102 102 112 103 103 103 103 127 9 111 5 9 12 22 111 6 L LACP Link Aggregation Control Protocol 15 Link Aggregation Loops M MRP Max Age 9 12 15 22 74 76 82 84 5 111 Message URL http www hicomcenter com P PROFINET IO Path Cost UM Redundancy Configuration L2P Release 7 1 12 2011 128 Port priority Spanning Tree Port State R RST BPDU RSTP Rapid Spanning Tree Redundancy Redundancy Manager Redundancy existing Redundancy functions Redundant Redundant Coupling Redundant connections Redundant coupling Ring Ring Manager Ring Redundancy Ring coupling Ring structure Ring Network coupling Root Path Cost Root port S Sub Ring Symbol Technical Questions Training Courses Trunk v VLAN settings for HIPER Ring 93 104 103 105 9 9 5 27 33 37 43 9 25 9 12 21 87 9 25 27 10 10 10 5 26 9 90 102 102 127 127 15 32 125 Index UM Redundancy Configuration L2P 126 Release 7 1 12 2011 Further Support C Further Support Technical Questions For technical questions please contact any Hirschmann dealer in your area or Hirschmann directly You will find the addresses of our partners on the Internet at http www beldensolutions com Contact our support at https hirschmann support belden eu com You can contact us in the EMEA region at Tel 49 0 1805 14 1538 E mail hac support belden c
7. Failure Ring Port Link Error Manager related Operating States RANG Sates adese erie Ge eae ede Gee Ge See bee Open Redundancy Guaranteed 0 00 No Round Trip Delayiccaciacaiececeeuteae das 0 Note Deactivate the Spanning Tree protocol STP for the ports connected to the redundant ring because the Spanning Tree and the Ring Redundancy work with different reaction times Redundancy Spanning Tree Port 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 UM Redundancy Configuration L2P 44 Release 7 1 12 2011 Multiple Rings 4 Multiple Rings The device allows you to set up multiple rings with different redundancy protocols You have the option of nesting MRP Rings A coupled ring is known as a Sub Ring see on page 46 Sub Ring You have the option of coupling to MRP Rings other ring structures that work with RSTP see on page 117 Combining RSTP and MRP UM Redundancy Configuration L2P Release 7 1 12 2011 45 Multiple Rings 4 1 Sub Ring 4 1 Sub Ring 4 1 1 Sub Ring description For the devices RSR20 RSR30 PowerMICE MACH 1000 MACH 1040 and MACH 4000 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
8. Ring Network Coupling 5 2 Preparing a Ring Network Coupling Redundancy mode L In the Redundancy Mode frame select Redundant Ring Network Coupling or Extended Redundancy Select Configuration z H HH T fa ri i H ai a 10 10 Bq Pcp o 1o Lo EI STANDBY C STAND BY STAND BY C STAND BY STAND BY E Select Port Module Port Coupling port b A fe Port mode factive Port state fcri e Port mode fstand by Port state not connected Partner coupling port IP Address Control port fo p fo Port state Jnot connected Operation Information Redundancy Mode Coupling Mode C On J7 Redundancy existing C Redundant RingNetwork Coupling Ring Coupling C off J Configuration failure Extended Redundancy Network Coupling Set Reload Delete coupling configuration Help Figure 40 Two Switch coupling with control line 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 redundant line are simultaneously active if the connection line between the devices in the connected i e remote network fails see fig 27 During the reconfiguration period package duplications may occur Therefore only select this setting if your application det
9. is used to combine the connection lines between devices into a trunk then the automatically specified path costs are reduced by half UM Redundancy Configuration L2P 92 Release 7 1 12 2011 Spanning Tree 6 1 The Spanning Tree Protocol 6 1 5 Port Identifier The port identifier consists of 2 bytes One part the lower value byte contains the physical port number This provides a unique identifier for the port of this bridge The second higher value part is the port priority which is specified by the Administrator default value 128 It also applies here that the port with the smallest number for the port identifier has the highest priority MSB LSB a Ve Priority Port number Figure 45 Port Identifier UM Redundancy Configuration L2P Release 7 1 12 2011 93 Spanning Tree 6 2 Rules for Creating the Tree Structure 6 2 Rules for Creating the Tree Structure 6 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 6 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
10. 2 2 HIPER Ring and Link Aggregation PowerMICE and MACH 4000 2 2 HIPER Ring and Link Aggregation PowerMICE and MACH 4000 To increase the availability on particularly important connections you can combine the HIPER Ring see on page 25 Ring Redundancy and link aggregation redundancy functions jg A e Ese 400 Mbit s A Figure 6 Example of a HIPER Ring link aggregation combination RM Ring Manager A link aggregation B HIPER Ring The above example shows a HIPER Ring One link aggregation forms a segment of the ring When all the connection lines of the link aggregation are interrupted the HIPER Ring function activates the redundant line of the ring UM Redundancy Configuration L2P 22 Release 7 1 12 2011 Link Aggregation 2 2 HIPER Ring and Link Aggregation PowerMICE and MACH 4000 Note If you want to use a link aggregation in a HIPER Ring you first configure the link aggregation then the HIPER Ring In the HIPER Ring dialog you enter the index of the desired link aggregation as the value for the module and the port 8 x Ascertain that the respective ring port belongs to the selected link aggregation Note Deactivate RSTP when link aggregations are segments of a HIPER Ring UM Redundancy Configuration L2P Release 7 1 12 2011 23 Link Aggregation 24 2 2 HIPER Ring and Link Aggregation PowerMICE and MACH 4000 UM Redundancy Configuration L2P Release 7 1 12 2011 Ring Redundancy 3
11. 2011 Ring Network Coupling 5 2 3 Two Switch coupling lt STAND BY ON Ei STAND BY Figure 29 Example of two Switch coupling 1 Backbone 2 Ring 3 Main line 4 Redundant line UM Redundancy Configuration L2P Release 7 1 12 2011 5 2 Preparing a Ring Network I I I I DE 4 Coupling ON 71 Ring Network Coupling 5 2 Preparing a Ring Network Coupling 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 packages over the Ethernet The Switch connected to the main line and the Switch connected to the redundant 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 30 STAND BY _ ON Figure 30 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 31 With Coupling port you specify at which port you are connecting the network segments You will find the port assig
12. H HIRSCHMANN A BELDEN BRAND User Manual Redundancy Configuration Industrial Ethernet Gigabit Switch RS20 RS30 RS40 MS20 MS30 OCTOPUS PowerMICE RSR20 RSR30 MACH 100 MACH 1000 MACH 4000 UM Redundancy Configuration L2P Technical Support Release 7 1 12 2011 HAC Support Belden com The naming of copyrighted trademarks in this manual even when not specially indicated should not be taken to mean that these names may be considered as free in the sense of the trademark and tradename protection law and hence that they may be freely used by anyone 2011 Hirschmann Automation and Control GmbH Manuals and software are protected by copyright All rights reserved The copying reproduction translation conversion into any electronic medium or machine scannable form is not permitted either in whole or in part An exception is the preparation of a backup copy of the software for your own use For devices with embedded software the end user license agreement on the enclosed CD applies The performance features described here are binding only if they have been expressly agreed when the contract was made This document was produced by Hirschmann Automation and Control GmbH according to the best of the company s knowledge Hirschmann reserves the right to change the contents of this document without prior notice Hirschmann can give no guarantee in respect of the correctness or accuracy of the information in this document Hirschmann can
13. MS30 Adjustable for all ports Adjustable for all ports default setting port 2 4 default setting port 2 3 RSR20 RSR30 Adjustable for all ports Adjustable for all ports default setting port 1 4 default setting port 1 3 MACH 100 Adjustable for all ports Adjustable for all ports default setting port 2 4 default setting port 2 3 MACH 1000 Adjustable for all ports Adjustable for all ports default setting port 1 4 default setting port 1 3 MACH 3000 Adjustable for all ports Adjustable for all ports MACH 4000 Adjustable for all ports Adjustable for all ports Table 12 Port assignment for the redundant coupling two Switch coupling with default setting port 1 4 control line Note Configure the coupling port and the redundancy ring ports on different ports UM Redundancy Configuration L2P Release 7 1 12 2011 default setting port 1 3 Ring Network Coupling 82 5 2 Preparing a Ring Network Coupling Q Activate the function in the Operation frame see fig 38 O Now connect the redundant line and the control line The displays in the Select port frame mean 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 Redundancy guaranteed If the main line no longer fu
14. PowerMICE MACH 100 MACH 1000 MACH 1040 MACH 3000 MACH 4000 Within an MRP Ring you can use devices that support the MRP protocol based on IEC62439 Within a Fast HIPER Ring you can use any combination of the following devices RSR20 RSR30 MACH 1000 MACH 1040 Note Only one Ring Redundancy method can be enabled on one device at any one time When changing to another Ring Redundancy method deactivate the function for the time being UM Redundancy Configuration L2P 26 Release 7 1 12 2011 Ring Redundancy Note The following usage of the term ring manager instead of redundancy manager makes the function easier to understand UM Redundancy Configuration L2P Release 7 1 12 2011 27 Ring Redundancy 3 1 Example of a HIPER Ring 3 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 712C a 2C ha aC RM Figure 9 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
15. Sub Ring Managers SRMs Figure 15 Example of a Sub Ring structure 1 blue ring basis ring 2 orange ring Sub Ring SRM Sub Ring Manager RM Ring Manager UM Redundancy Configuration L2P 46 Release 7 1 12 2011 Multiple Rings 4 1 Sub Ring Note The following devices support the Sub Ring Manager function RSR20 RSR30 MACH 1000 MACH 1040 MACH 4000 PowerMICE The SRM capable devices support up to 4 SRM instances and can thus be the Sub Ring manager for up to 4 Sub Rings at the same time In a Sub Ring you can integrate as participants the devices that support MRP the Sub Ring Manager function is not required Each Sub Ring may consist of up to 200 participants The SRMs themselves and the switches placed in the Base Ring between the SRMs do not count here Setting up Sub Rings has the following advantages Through the coupling process you include the new network segment in the redundancy concept You can easily integrate new company areas into existing networks You easily map the organizational structure of a company in the network topology As an MRP Ring the switching times of the Sub Ring in redundancy cases are typically lt 100 ms UM Redundancy Configuration L2P Release 7 1 12 2011 47 Multiple Rings 4 1 Sub Ring The following graphics show examples of possible Sub Ring topologies Figure 16 Example of an overlapping Sub Ring structure UM Redundancy Configuration L2P 48
16. The displays in the Select port frame mean 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 Redundancy guaranteed If the main line no longer functions the redundant line takes 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 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 Untagged UM Redundancy Configuration L2P 84 Release 7 1 12 2011
17. accept no responsibility for damages resulting from the use of the network components or the associated operating software In addition we refer to the conditions of use specified in the license contract You can get the latest version of this manual on the Internet at the Hirschmann product site www beldensolutions com Printed in Germany Hirschmann Automation and Control GmbH Stuttgarter Str 45 51 72654 Neckartenzlingen Germany Tel 49 0 1805 14 1538 Rel 7 1 12 2011 13 12 11 Contents Contents 1 1 1 2 2 1 2 2 5 1 5 2 About this Manual Key Introduction Overview of Redundancy Topologies Overview of Redundancy Protocols Link Aggregation Example of link aggregation 2 1 1 Creating and configuring the link aggregation HIPER Ring and Link Aggregation PowerMICE and MACH 4000 Ring Redundancy Example of a HIPER Ring 3 1 1 Setting up and configuring the HIPER Ring Example of a MRP Ring Example of a Fast HIPER Ring Multiple Rings Sub Ring 4 1 1 Sub Ring description 4 1 2 Sub Ring example 4 1 3 Sub Ring example configuration Ring Network Coupling Variants of the ring network coupling Preparing a Ring Network Coupling 2 1 Stand by switch One Switch coupling Two Switch coupling Two Switch Coupling with Control Line ooo ROMS 2 ue 2 UM Redundancy Configuration L2P Release 7 1 12 2011 10 12 15 16 17 22 25 28 30 34 40 45 46 46 50 53
18. at each of the two participating devices Connection Module1 Port1 to Port3 UM Redundancy Configuration L2P 16 Release 7 1 12 2011 Link Aggregation 2 1 Example of link aggregation 2 1 1 Creating and configuring the link aggregation Note A link aggregation connects exactly 2 devices You configure the link aggregation on each of the 2 devices involved During the configuration phase you connect only one single connection line between the devices This is to avoid loops L Under Basic Settings Port Configuration you configure all three connections so that the transmission rate and the duplex settings of the participating ports on both devices are matching L Among the devices involved in a link aggregation you define that device that has the most devices between itself and the device to which the configuration PC NMS network management station is connected You begin the configuration at this device otherwise the Link Aggregation Control Protocol LACP can block ports and disconnect devices from the network so that they cannot be configured any more L In the example below see fig 2 you configure the link aggregation first on device 3 then on device 2 If you accidentally disconnect device 3 from the network you can access it again by selecting Allow static link aggregation in the Redundancy Link Aggregation dialog or by activating this option via the CLI 3 x TP FDX 300 Mbit s NMS Figure 2 Exa
19. column if you want the device to generate an alarm if all the connections of the link aggregation are interrupted L L UM Redundancy Configuration L2P 18 Release 7 1 12 2011 Link Aggregation 2 1 Example of link aggregation L In the STP Mode column you select on if the link aggregation connection is connected to a Spanning Tree off if no Spanning Tree is active or if the link aggregation is a segment of a HIPER Ring LI Type shows whether you created this link aggregation manually Allow static link aggregation is selected or whether it was created dynamically using LACP Allow static link aggregation is not selected Note If there are multiple connections between devices that support LACP andifAllow static link aggregation is nevertheless selected dynamic is still displayed because in this case the devices automatically switch to dynamic Tallow static link Aggregation So E a E 81 M Vv on dynamic i li i J LATP v af zi 12 13 gt af z 2i x 22 x 23 z 24 x 31 32 x 33 x 34 44 x 4 2 x 43 z 44 x 4 Fz 5 2 z 53 zl 54 Fz 64 z 6 2 z 63 zi 6 4 z l H Reload Create entry Delete entry Help Figure 4 Link aggregation created and named UM Redundancy Configuration L2P Release 7 1 12 2011 19 Link Aggregation 2 1 Example of link aggregation O Now assign to the ports participating in the link aggregation ports 1 1 1 2 and 1 3 the index of the link agg
20. line dashed blue line which is connected to the coupling port takes over the ring network coupling The coupling switch over is performed by one Switch O Select 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 24 STAND BY ON Figure 24 One Switch coupling 1 Coupling port 2 Partner coupling port The following settings apply to the switch displayed in blue in the selected graphic CO Select the partner coupling port see fig 25 With Partner coupling port you specify at which port you are connecting the control line You will find the port assignment for the redundant coupling in table 10 UM Redundancy Configuration L2P 66 Release 7 1 12 2011 5 2 Preparing a Ring Network Coupling Ring Network Coupling 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 RS2 Not possible Not possible RS2 16M All ports default setting port 2 All ports default setting port 1 RS20 RS30 All ports default setting port 1 3 All ports default setting port 1 4 RS40 OCTOPUS All ports default setting port 1 3 All ports default setting port 1 4 MICE All ports default setting port 1 3 All ports default setting port 1 4 PowerMICE All ports default setting port 1 3 All ports default setting port 1
21. off on 100 Mbit s full duplex FDX TX 1 Gbit s on on Optical 100 Mbit s off on 100 Mbit s full duplex FDX Optical 1 Gbit s on on Optical 10 Gbit s on 10 Gbit s full duplex FDX Table 3 Port settings for ring ports Note When activating the HIPER Ring function via software or DIP switches the device sets the corresponding settings for the pre defined ring ports in the configuration table transmission rate and mode If you switch off the HIPER Ring function the ports which are changed back into normal ports keep the ring port settings Independently of the DIP switch setting you can still change the port settings via the software O Select the Redundancy Ring Redundancy dialog L Under Version select 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 UM Redundancy Configuration L2P 30 Release 7 1 12 2011 Ring Redundancy 3 1 Example of a HIPER Ring 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 Version HIPER Ring MRP Fast HIPER Ring Ring Port 1 Module 1 Port Operation Redundancy Manager Ring Port 2 Module Port Operation Mode C On C oft Operation Ring Information Round Trip De
22. root port If there is more than 1 port with the same low path costs connected to the same bridge the port identifier determines which port is the root port see fig 46 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 leading to the root bridge is the designated port UM Redundancy Configuration L2P 102 Release 7 1 12 2011 Spanning Tree 6 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 a port that does not participate in the Spanning Tree Operation i e the por
23. the field empty 1 On modular devices the 1st number of the port designation specifies the module The 2nd number specifies the port on the module The specification pattern 1 x is also used on non modular devices for consistency UM Redundancy Configuration L2P 28 Release 7 1 12 2011 Ring Redundancy 3 1 Example of a HIPER Ring Note As an alternative to using software to configure the HIPER Ring with the RS20 30 40 MS20 30 and PowerMICE Switches you can also use DIP switches to enter a number of settings on the devices 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 delivery is Software Configuration You will find details on the DIP switches in the Installation user manual 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 UM Redundancy Configuration L2P Release 7 1 12 2011 29 Ring Redundancy 3 1 Example of a HIPER Ring 3 1 1 Setting up and configuring the HIPER Ring LI Set up the network to meet your demands O Configure all ports so that the transmission speed and the duplex settings of the lines correspond to the following table Port type Bit rate Autonegotiation Port setting Duplex automatic configuration TX 100 Mbit s
24. to all other bridges add up If the Management Administrator configures bridge 2 as the root bridge the burden of the control packets on the subnetworks is distributed much more evenly The result is the configuration shown here see fig 49 The path costs for most of the bridges to the root bridge have decreased Port 3 P BID 28672 P BID 16384 Bridge 2 P BID 40960 P BID 20480 P BID 24576 P BID 32768 Port 2 s Bridge 7 Bridge 4 l Bridge 3 Bridge 1 Port 1 l l l l l l P BID 36864 l Bridge 6 Bridge 5 P BID Priority of the bridge identifikation BID BID without MAC Address Root path Interrupted path Figure 49 Example of manipulating the tree structure UM Redundancy Configuration L2P Release 7 1 12 2011 101 Spanning Tree 6 6 The Rapid Spanning Tree Protocol 6 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 mechanisms that speed up the reconfiguration if a link or bridge becomes inoperable The ports play a significant role in this context 6 6 1 Port roles RSTP assigns each bridge port one of the following roles see fig 50 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
25. tree depends on the root path costs Spanning Tree selects the structure so that the path costs between each individual bridge and the root bridge become as small as possible UM Redundancy Configuration L2P 94 Release 7 1 12 2011 Spanning Tree 6 2 Rules for Creating the Tree Structure If there are multiple paths with the same root path costs the bridge further away from the root decides which port it blocks For this purpose it uses the bridge identifiers of the bridge closer to the root The bridge blocks the port that leads to the bridge with the numerically higher ID a numerically higher ID is the logically worse one If 2 bridges have the same priority the bridge with the numerically larger MAC address has the numerically higher ID which is logically the worse one If multiple paths with the same root path costs lead from one bridge to the same bridge the bridge further removed from the root uses the port identifier of the other bridge as the last criterion see fig 45 In the process the bridge blocks the port that leads to the port with the numerically higher ID a numerically higher ID is the logically worse one If 2 ports have the same priority the port with the higher port number has the numerically higher ID which is logically the worse one UM Redundancy Configuration L2P Release 7 1 12 2011 95 Spanning Tree 6 2 Rules for Creating the Tree Structure Determine root path Equal Path with lowest path cos
26. 1 Port 1 Port p Operation J Operation Redundancy Manager 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 Help Figure 14 Ring Redundancy dialog RSR20 RSR30 MACH 1000 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 to optimize the reconfiguration time and the stability of the ring Click Set to temporarily save the entry in the configuration OOO CI UM Redundancy Configuration L2P 42 Release 7 1 12 2011 Ring Redundancy 3 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 interrupte
27. 4 MS20 All ports default setting port 1 3 All ports default setting port 1 4 MS30 All ports default setting port 2 3 All ports default setting port 2 4 RSR20 30 All ports default setting port 1 3 All ports default setting port 1 4 MACH 100 All ports default setting port 2 3 All ports default setting port 2 4 MACH 1000 All ports default setting port 1 3 All ports default setting port 1 4 MACH 3000 All ports All ports MACH 4000 All ports default setting port 1 3 All ports default setting port 1 4 Table 10 Port assignment for one Switch coupling Note Configure the partner coupling port and the ring redundancy ports on different ports L Select the coupling port see fig 25 With Coupling port you specify at which port you are connecting the network segments You will find the port assignment for the redundant coupling in table 10 Note Configure the coupling port and the redundancy ring ports on different ports C Activate the function in the Operation frame see fig 25 O Now connect the redundant line The displays in the Select port frame mean Port mode The port is either active or in stand by mode Port state The port is either connected or not connected UM Redundancy Configuration L2P Release 7 1 12 2011 67 Ring Network Coupling 5 2 Preparing a Ring Network Coupling The displays in the Information frame mean Redundancy guaranteed If t
28. Configuration L2P Release 7 1 12 2011 43 Ring Redundancy 3 3 Example of a Fast HIPER Ring fast hiper ring new id Create a new Fast HIPER Ring with the default default id 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 operation enable Operation set to Enabled exit Switch to the Configuration mode show fast hiper ring Show the current parameters of the Fast HIPER Ring Ring ID 1 Default Fast HIPER Ring ID Mode of Switch administrative setting Ring Manager Mode of Switch real operating state Ring Manager Ring NANG sccae ea eeeees ee eee eaeee ee eae saad lt empty gt Number of nodes in the ring 3 Port Number Primary 4s 46e4060 048844 1 1 State Not Connected Port Number Secondary e200 1 2 State Not Connected VLAN ID cee a bebe ee bes OE EEE ERE RE RS SERS ES 0 No VLAN QPErALION essens s kran ERa ERRE RARE ERa es Enabled General Operating States FHR Setup Info Config
29. Otherwise the redundancy may not operate as intended or loops can result Displays the STP port status with discarding regard to the global MSTI IST learning forwarding disabled manualForwarding notParticipate Here you enter the port priority the 16 lt n 16 lt 240 128 four highest bits of the port ID with regard to the global MSTI IST as a decimal number of the highest byte of the port ID Enter the path costs with regard to 0 200 000 000 0 automatically the global MSTI IST to indicate preference for redundant paths If the value is 0 the switch automatically calculates the path costs for the global MSTI IST depending on the transmission rate Table 16 Port related RSTP settings and displays 114 UM Redundancy Configuration L2P Release 7 1 12 2011 Spanning Tree Parameter Admin Edge Port Oper Edge Port read only Auto Edge Port Meaning Only activate this setting when a terminal device is connected to the port administrative default setting Then the port immediately has the forwarding status after a link is set up without first going through the STP statuses If the port still receives an STP BPDU the device blocks the port and clarifies its STP port role In the process the port can switch to a different status e g forwarding discarding learning Deactivate the setting when the port is connected to a bridge After a link is set up the port then goes thro
30. Release 7 1 12 2011 Multiple Rings 4 1 Sub Ring Figure 17 Special case a Sub Ring Manager manages 2 Sub Rings 2 instances Depending on the device type you can configure additional instances Figure 18 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 UM Redundancy Configuration L2P Release 7 1 12 2011 49 Multiple Rings 4 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 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 primary ring ports in a separate VLAN This reduces the configuration effort when coupling multiple Sub Rings to a primary ring 4 1 2 Sub Ring example 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 se
31. Ring Network Coupling or Extended Redundancy UM Redundancy Configuration L2P 68 Release 7 1 12 2011 Ring Network Coupling 5 2 Preparing a Ring Network Coupling Select Configuration ata eH iHe re f 1 1 on en Lo mas 190 mas bq zs ch o Lo Bq Po or o Gstanpey C sTaND By STAND EV E C STAND BY STAND BY Select Port Module Port Coupling port h G fa Port mode stancd by Port state fcr e Partner coupling port Port mode factive Port state not connected 1 Control port p p Port state fnot 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 26 One Switch coupling 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 redundant line are simultaneously active if the connection line between the devices in the connected i e remote network becomes inoperable see fig 27 During the reconfiguration period packet duplications may occur Therefore select this setting only if your application detects package duplicatio
32. 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 7 Line structure Figure 8 Redundant ring structure RM Ring Manager main line redundant line UM Redundancy Configuration L2P Release 7 1 12 2011 25 Ring Redundancy If a section is down the ring structure of a HIPER HIGH PERFORMANCE REDUNDANCY Ring with up to 50 devices 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 devices the reconfiguration time increases Devices with HIPER Ring function capability Within a HIPER Ring you can use any combination of the following devices RS1 RS2 RS2 16M RS2 4R RS20 RS30 RS40 RSR20 RSR30 OCTOPUS MICE MS20 MS30
33. Switch set to manager UM Redundancy Configuration L2P Release 7 1 12 2011 55 Multiple Rings 4 1 Sub Ring LI Click Reload to update the Sub Ring overview and check all the entries Max Table Entries fi w Set Reload New Delete entry Help a Figure 21 Completely configured Sub Ring Manager L 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 configuration d 00v ogo UM Redundancy Configuration L2P 56 Release 7 1 12 2011 Multiple Rings 4 1 Sub Ring enable Switch to the privileged EXEC mode configure Switch to the Configuration mode sub 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 device Ring ID 1 Mode of Switch administrative setting manager Mode of Switch real oper
34. TP port states Disabled Port does not belong to the active topology Discarding No address learning in FDB no data traffic except for BPDUs Learning Address learning active FDB and no data traffic except for BPDUs Forwarding Address learning is active FDB sending and receipt of all frame types not only BPDUs 6 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 RSTP BPDUs and contains the following information Bridge identification of the root bridge Root path costs of the sending bridge Bridge identification of the sending bridge Port identifiers of the ports through which the message was sent Port identifiers of the ports through which the message was received UM Redundancy Configuration L2P Release 7 1 12 2011 105 Spanning Tree 6 6 The Rapid Spanning Tree Protocol Based on this information the bridges participating in RSTP are able to determine port roles themselves and define the port states of their own ports 6 6 4 Fast reconfiguration Why can RSTP react faster than STP to an interruption of the root path Introduction of edge ports During a reconfiguration RSTP switches an edge port into the transmission mode after three seconds and then waits for the Hello Time see table 15 to elapse to be sure that no bridge sending BPDUs is conn
35. ager 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 the entry in the configuration aoud 0 UM Redundancy Configuration L2P 36 Release 7 1 12 2011 Ring Redundancy 3 2 Example of a MRP Ring 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 LI 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 Note If you want to use the RSTP see on page 87 Spanning Tree redundancy protocol in an MRP Ring switch on
36. ase 7 1 12 2011 Spanning Tree 6 7 Combining RSTP and MRP 6 7 1 Application example for the combination of RSTP and MRP The figure see fig 56 shows an example for the combination of RSTP and MRP Parameters S1 S2 S3 S4 S5 S6 MRP settings Ring redundancy MRP version MRP MRP MRP MRP Ring port 1 1 1 1 1 1 1 1 1 Ring port 2 1 2 1 2 1 2 1 2 Port from MRP Ring to the RSTP 1 3 1 3 network Redundancy Manager mode On Off Off Off MRP operation On On Off Off On On RSTP settings For each RSTP port STP State On On On On On On Enable 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 Table 17 Values for the configuration of the switches of the MRP RSTP example UM Redundancy Configuration L2P Release 7 1 12 2011 119 Spanning Tree 6 7 Combining RSTP and MRP Prerequisites for further configuration You have configured the MRP settings for the devices in accordance with the above table The redundant line in the MRP Ring is closed Figure 56 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 O Activate RSTP at the ports using S1 as an example see table 17 enable Switch to the privileged EXEC mode configure Switch to the Conf
37. ata 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 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 Note If you want to use link aggregation connections in the HIPER Ring PowerMICE and MACH 4000 you enter the index of the desired link aggregation entry for the module and the port UM Redundancy Configuration L2P Release 7 1 12 2011 33 Ring Redundancy 3 2 Example of a MRP Ring 3 2 Example of a 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 gt Chs Ch BCs RM Figure 11 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
38. ating state manager Port NUM S Ese sensa si e ts cece cer eiai ane Det cohen mice ee ae aaia Redon 1 9 State Forwarding POT OCG so eea eee antes te e 8s teas anes Bla ese aerate ay tas tes betes os 6s ote Standard MRP MRP Domain IDe esenee eae nae ere casa Sea o a ash 2992 295 255 2595 325922595 225542552255 6259502755 62594 259052559525 522505R1 NG NAMES a vee eee ee eee we ee Ee ee ee Os Test Partner MAG oo sos gins sca ss ote be ecg s a a5 88s 3 sob amen ace a 02 E3 00 1B 00 09 MEAN AND eat octet aia we E sey os Ree ei gy x ee ye a O No VLAN OPESratlON ws s hae setae tied ec banati en RESI Enabled General Operating States SRM Setup Info Config Failure No Error Manager related Operating States RaW pied be use tun it bo Strain eee ence eh hee Open Redundancy Guaranteed eee eee 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 the Sub Ring s redundant line UM Redundancy Configuration L2P Release 7 1 12 2011 57 Multiple Rings 4 1 Sub Ring UM Redundancy Configuration L2P 58 Release 7 1 12 2011 Ring Network Coupling 5 Ring Network Coupling Ring Network Coupling allows the redundant coupling of redundant rings and network segments Ring Network Coupling
39. connects 2 rings network segments 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 Hirschmann devices The ring network coupling supports the following devices RS2 RS2 16M RS20 RS30 RS40 OCTOPUS MICE from rel 3 0 PowerMICE MS20 MS30 RSR20 RSR30 MACH 100 MACH 1000 MACH 1040 MACH 3000 from Rel 3 3 MACH 4000 UM Redundancy Configuration L2P Release 7 1 12 2011 59 Ring Network Coupling 5 1 Variants of the ring network coupling 5 1 Variants of the ring network coupling The redundant coupling is effected by the one Switch coupling of two ports of one device in the first ring network segment to one port each of two devices in the second ring network segment see fig 23 One of the two connections the redundant one is blocked for normal data traffic in normal operation If the main line no longer functions the device opens the redundant line immediately If the main line functions again the redundant line is again blocked for normal data traffic and the main line is used again The ring coupling detects and handles an error within 500 ms typically 150 ms The redundant coupling is effected by the two switch coupling of one port each from two devices in the first ring network segment to one p
40. d package duplications may occur Therefore only select this setting if your application detects package duplications Figure 34 Extended redundancy UM Redundancy Configuration L2P Release 7 1 12 2011 TT Ring Network Coupling 5 2 Preparing a Ring Network Coupling Coupling mode The coupling mode indicates the type of the connected network CI In the Coupling Mode frame select see fig 35 Ring Coupling or Network Coupling Select Configuration Dc eq Bd xe to EI STANDBY pq 1 x Lo C STAND BY bd pjg L ed Boe of Be STAND BY ET aa STAI No ey EI Select Port Module Port Coupling port fs i fo Port mode feri e Port state fcii je Partner coupling port Port mode fstand by 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 35 Two Switch coupling 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 Delete coupling configuration L The Delete coupling configuration button in the dialog allows you to reset all the coupling settings of
41. d 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 L 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 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 Fast HIPER Ring configuration is to be assigned to this VLAN For all devices 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 enable Switch to the privileged EXEC mode configure Switch to the Configuration mode UM Redundancy
42. dancy procedures described in this manual 6 6 5 Configuring the Rapid Spanning Tree L Set up the network to meet your demands Note Before you connect the redundant lines you must complete the configuration of the RSTP You thus avoid loops during the configuration phase L For devices with DIP switches you switch these to deactivated both to ON so that the software configuration is not restricted L Select the Redundancy Rapid Spanning Tree Global dialog UM Redundancy Configuration L2P Release 7 1 12 2011 107 Spanning Tree 6 6 The Rapid Spanning Tree Protocol L Switch on RSTP on each device Figure 51 Operation on off UM Redundancy Configuration L2P 108 Release 7 1 12 2011 Spanning Tree 6 6 The Rapid Spanning Tree Protocol 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 15 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 LI 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 frame Root ID Displays the r
43. ected When the user determines that a terminal device is connected at this port and will remain connected he can switch off RSTP at this port Thus no waiting times occur at this port in the case of a reconfiguration Introduction of alternate ports As the port roles are already distributed in normal operation a bridge can immediately switch from the root port to the alternative port after the connection to the root bridge is lost Communication with neighboring bridges point to point connections Decentralized direct communication between neighboring bridges enables reaction without wait periods to status changes in the spanning tree topology Address table With STP the age of the entries in the FDB determines the updating of communication RSTP immediately deletes the entries in those ports affected by a reconfiguration Reaction to events Without having to adhere to any time specifications RSTP immediately reacts to events such as connection interruptions connection reinstatements etc UM Redundancy Configuration L2P 106 Release 7 1 12 2011 Spanning Tree 6 6 The Rapid Spanning Tree Protocol Note The downside of this fast reconfiguration is the possibility that data packages could be duplicated and or arrive at the recipient in the wrong order during the reconfiguration phase of the RSTP topology If this is unacceptable for your application use the slower Spanning Tree Protocol or select one of the other faster redun
44. ecting the two redundant coupling devices to the network devices to the network becomes inoperable compared with one compared with one no connection remains Switch coupling Switch and two Switch between the networks coupling Advantage Less effort involved in If one of the devices If one of the devices connecting the 2 configured for the configured for the devices to the network redundant coupling redundant coupling compared with two becomes inoperable becomes inoperable Switch coupling the coupled networks the coupled networks are still connected are still connected Table 7 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 7 UM Redundancy Configuration L2P Release 7 1 12 2011 61 Ring Network Coupling 5 2 Preparing a Ring Network Coupling 5 2 Preparing a Ring Network Coupling 5 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 a DIP switch on the devices or else it is exclusively a software setting Redundancy Ring Network Coupling dialog By setting this switch you define whether the device has the main coupling or the redundant coupling role within a Ring Network coupling You will find details on the DIP switches in the Installation
45. ects package duplications UM Redundancy Configuration L2P Release 7 1 12 2011 85 Ring Network Coupling 5 2 Preparing a Ring Network Coupling Figure 41 Extended redundancy Coupling mode The coupling mode indicates the type of the connected network LI In the Coupling Mode frame select Ring coupling or Network Coupling Select Configuration ay be a j eS ica STAND BY i Eg gi p Efta Era Select Port Module Port Coupling port a 5 fa Port mode cti je Port state cti e Port mode fstand by not connecte IP Address fp 0 0 0 Partner coupling port Control port jo 3 fo Port state not connected Operation Information Redundancy Mode Coupling Mode On E Redundancy existing C Redundant RingNetwork Coupling Ring Coupling C off I Configuration failure Extended Redundancy Network Coupling Set Reload Delete coupling configuration Help Figure 42 Two Switch coupling with control line 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 Delete coupling configuration LI The Delete coupling configuration button in the dialog allows you to reset all the coupling settings of the device to the state on delivery UM Redundancy Configuration L2P 86 Release 7 1 12 2011 Spanning Tree 6 Spanning Tree N
46. elect the coupling port see fig 38 With Coupling port you specify at which port you are connecting the network segments You will find the port assignment for the redundant coupling in table 12 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 UM Redundancy Configuration L2P 80 Release 7 1 12 2011 5 2 Preparing a Ring Network Coupling Ring Network Coupling C Select the control port see fig 38 With Control port you specify at which port you are connecting the control line You will find the port assignment for the redundant coupling in table 12 Device Coupling port Control port RS2 Port 1 Stand by port can only be combined with RS2 RS2 16M Adjustable for all ports Adjustable for all ports default setting port 1 default setting port 2 RS20 RS30 Adjustable for all ports Adjustable for all ports RS40 default setting port 1 4 default setting port 1 3 OCTOPUS Adjustable for all ports Adjustable for all ports default setting port 1 4 default setting port 1 3 MICE Adjustable for all ports Adjustable for all ports default setting port 1 4 default setting port 1 3 PowerMICE Adjustable for all ports Adjustable for all ports default setting port 1 4 default setting port 1 3 MS20 Adjustable for all ports Adjustable for all ports default setting port 1 4 default setting port 1 3
47. er time PowerMICE MACH 1000 and MACH 4000 Link Coupling of network Aggregation segments via parallel active lines with dynamic load distribution and line redundancy Table 2 Comparison of the redundancy procedures UM Redundancy Configuration L2P 12 Release 7 1 12 2011 Introduction 1 2 Overview of Redundancy Protocols Note When you are using a redundancy function you deactivate the flow control on the participating ports Default setting flow control deactivated globally and activated on all ports If the flow control and the redundancy function are active at the same time the redundancy may not work as intended UM Redundancy Configuration L2P Release 7 1 12 2011 13 Introduction 1 2 Overview of Redundancy Protocols UM Redundancy Configuration L2P 14 Release 7 1 12 2011 Link Aggregation 2 Link Aggregation The LACP Link Aggregation Control Protocol based on IEEE 802 3ad is a network protocol for dynamically bundling physical network connections The added bandwidth of all connection lines is available for data transmission In the case of a connection breaking down the remaining connections take over the entire data transmission redundancy The load distribution between the connection lines is performed automatically You configure a link aggregation by combining at least 2 existing parallel redundant connection lines known as a trunk between two devices into one logical connection You can use link aggregat
48. ess 222 123 0 0 66 99 this domain with current domain MRP domain created Domain ID 0 0 1 1 2 2 3 4 5 111 222 123 0 0 66 99 4 1 3 Sub Ring example configuration Note Avoid loops during the configuration phase Configure all the devices of the Sub Ring individually Before you connect the redundant line close the Sub Ring you must complete the configuration of all the devices of the Sub Ring UM Redundancy Configuration L2P Release 7 1 12 2011 53 Multiple Rings 4 1 Sub Ring 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 New Entry subRngdD h ssts S Port 14 hd Name EE SRM Mode manager h VLAN O y O MRP Domain 255 255 255 255 255 255 255 25 Set Back Help Figure 20 Sub Ring New Entry dialog L Enter the value 1 as the ring ID of this Sub Ring C 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 basis ring L You have the option of entering a name for the Sub Ring in the example Test UM Redundancy Configuration L2P 54 Release 7 1 12 2011 Multiple Rings 4 1 Sub Ring L Select the Sub Ring Manager mode SRM mode You thus specify which connection between the p
49. figuration L2P Release 7 1 12 2011 89 Spanning Tree 6 1 The Spanning Tree Protocol 6 1 2 Bridge parameters In the context of Spanning Treee each bridge and its connections are uniquely described by the following parameters Bridge Identifier Root Path Cost for the bridge ports Port Identifier 6 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 address 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 oj o eo 2 st n o _ IU Priority MAC Address Figure 43 Bridge Identifier Example values in hexadecimal notation UM Redundancy Configuration L2P 90 Release 7 1 12 2011 Spanning Tree 6 1 The Spanning Tree Protocol 6 1 4 Root Path Cost 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 13 It assigns a higher path cost to paths with lower transmission speeds Alternatively the Administrator can set the path cost Like the switch the Administrator assigns a higher path cost to paths with
50. figure all the devices of the Fast HIPER Ring individually Before you connect the redundant line you must complete the configuration of all the devices of the Fast HIPER Ring You thus avoid loops during the configuration phase L Set up the network to meet your demands LI Configure all ports so that the transmission speed and the duplex settings of the lines correspond to the following table Port type Bit rate Autonegotiation Port setting Duplex automatic configuration TX 100 Mbit s off on 100 Mbit s full duplex FDX TX 1 Gbit s on on Optical 100 Mbit s off on 100 Mbit s full duplex FDX Optical 1 Gbit s on on Optical 10 Gbit s on 10 Gbit s full duplex FDX Table 5 Port settings for ring ports O Select the Redundancy Ring Redundancy dialog O 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 Display in Operation field forwarding this port is switched on and has a link blocked this port is blocked and has a link disabled this port is disabled not connected this port has no link UM Redundancy Configuration L2P Release 7 1 12 2011 41 Ring Redundancy 3 3 Example of a Fast HIPER Ring Version C HIPER Ring C MRP Fast HIPER Ring Ring Port 1 Ring Port 2 Module l 1 Module
51. following topologies are possible Network topology Possible redundancy Comments Tree structure without loops cycle free Topology with 1 loop Topology with 2 loops Topology with 3 non nested loops Topology with nested loops procedures Only possible in connection with physical loops RSTP Ring Redundancy RSTP Ring Redundancy Sub Ring RSR20 RSR30 PowerMICE MACH 1000 and MACH 4000 RSTP Ring Redundancy Sub Ring RSR20 RSR30 PowerMICE MACH 1000 and MACH 4000 Ring coupling RSTP Sub Ring RSR20 RSR30 PowerMICE MACH 1000 and MACH 4000 Ring coupling Ring Redundancy procedures HIPER Ring Fast HIPER Ring or MRP provide shorter switching times than RSTP Ring redundancy a Basis Ring with a Sub Ring or an MRP Ring with an RSTP Ring The ring coupling provides particular support when redundantly coupling a redundant ring to another redundant ring or to any structure that only works with Hirschmann devices Ring coupling only couples non nested rings though these can couple local Sub Rings Table 1 Overview of Redundancy Topologies 10 UM Redundancy Configuration L2P Release 7 1 12 2011 1 1 Overview of Redundancy Introduction Topologies The Ring Redundancy Protocol MRP has particular properties to offer You have the option of nesting MRP Rings A coupled ring is known as a Sub Ring see on page 46 Sub Ring You have the option of coupling to MRP Rings other rin
52. g structures that work with RSTP see on page 117 Combining RSTP and MRP UM Redundancy Configuration L2P Release 7 1 12 2011 11 Introduction 1 2 Overview of Redundancy Protocols 1 2 Overview of Redundancy Protocols Redundancy Network topology Switch over time procedure RSTP 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 depending on the topology see page 87 HIPER Ring 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 MRP Ring 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 settings for RSTP are being used up to 19 devices are possible see page 87 Fast HIPER Ring lt 10 ms with 5 devices in ring Ring RSR20 With more than 5 devices the switching time increases RSR30 and MACH 1000 Sub Ring Ring segment typically 80 ms up to lt 500 ms or lt 200 ms selectable RSR20 coupled to a primary the number of switches has a minimal effect on the RSR30 ring switch ov
53. gment is connected as a Sub Ring The connection is made to existing devices of the basis ring with the following types RSR20 RSR30 MACH 1000 MACH 1040 MACH 4000 PowerMICE Configure these devices as Sub Ring Managers UM Redundancy Configuration L2P 50 Release 7 1 12 2011 Multiple Rings 4 1 Sub Ring Figure 19 Example of a Sub Ring structure 1 blue ring basis ring 2 orange ring Sub Ring SRM Sub Ring Manager RM Ring Manager UM Redundancy Configuration L2P Release 7 1 12 2011 51 Multiple Rings 4 1 Sub Ring Proceed as follows to configure a Sub Ring L Configure the three devices of the new network segment as participants in an MRP Ring This means Configure the transmission rate and the duplex mode for all the ring ports in accordance with the following table Port type Bit rate Autonegotiation Port setting Duplex automatic configuration TX 100 Mbit s off on 100 Mbit s full duplex FDX TX 1 Gbit s on on Optical 100 Mbit s off on 100 Mbit s full duplex FDX Optical 1 Gbit s on on Optical 10 Gbit s on 10 Gbit s full duplex FDX Table 6 Port settings for ring ports L Other settings 52 Define a different VLAN membership for the Primary Ring and the Sub Ring even if the basis ring is using 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
54. he main line no longer functions the redundant line takes over the function of the main line Configuration failure The function is incomplete or incorrectly configured Select Configuration oe e ae ee na 1 i gait PH b b bd 10 10 10 10 10 EI STANDBY CE STAND BY STAND BY CE STAND BY STAND BY EI Select Port Module Port Coupling port h A fa Port mode stand by Port state Jactive Partner coupling port Port mode fact E Port state not connected l Control port fo i Port state not connected Operation Information Redundancy Mode Coupling Mode C on I Redundancy existing Redundant RingNetwork Coupling Ring Coupling off I Configuration failure Extended Redundancy Network Coupling Set Reload Delete coupling configuration Q Help Figure 25 One Switch coupling 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 See table on 30 Port settings for ring ports 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 Untagged Redundancy mode CI In the Redundancy Mode frame select see fig 26 Redundant
55. id depending on the software release of the root device UM Redundancy Configuration L2P 88 Release 7 1 12 2011 Spanning Tree 6 1 The Spanning Tree Protocol 6 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 6 1 1 The tasks of the STP The Spanning Tree Algorithm reduces network topologies built with bridges and containing ring structures due to redundant links to a tree structure In doing so STP opens ring structures according to preset rules by deactivating redundant paths If a path is interrupted because a network component becomes inoperable STP reactivates the previously deactivated path again This allows redundant links to increase the availabiliy of communication STP determines a bridge that represents the STP tree structure s base This bridge is called root bridge Features of the STP algorithm automatic reconfiguration of the tree structure in the case of a bridge becoming 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 15 stabilization of the topology 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 UM Redundancy Con
56. iguration mode interface 1 1 Switch to the Interface Configuration mode of interface 1 1 spanning tree port mode Activate RSTP on the port exit Switch to the Configuration mode interface 1 2 Switch to the interface configuration mode for port 1 2 spanning tree port mode Activate RSTP on the port UM Redundancy Configuration L2P 120 Release 7 1 12 2011 Spanning Tree 6 7 Combining RSTP and MRP exit Switch to the Configuration mode interface 1 3 Switch to the interface configuration mode for port 1 3 spanning tree port mode Activate RSTP on the port exit 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 Setthe RSTP priority for the MST instance 0 to 4096 the value 4 096 the MST instance 0 is the default instance spanning tree Activate RSTP operation globally spanning tree stp mrp mode Activate MRP compatibility LI Configure the other switches S2 though S6 with their respective values see table 17 O Connect the redundant RSTP connection UM Redundancy Configuration L2P Release 7 1 12 2011 121 Readers Comments A Readers Comments What is your opinion of this manual We are always striving to provide as comprehensive a description of our product as possible as well as important information that will ensure trouble free operation Your comments and
57. ime there is the possibility of creating a loop UM Redundancy Configuration L2P 76 Release 7 1 12 2011 Ring Network Coupling 5 2 Preparing a Ring Network Coupling Redundancy mode CI In the Redundancy Mode frame select see fig 33 Redundant Ring Network Coupling or Extended Redundancy Select Configuration EHH Be pis z pc z peec i x i Hi eF im Eistanpey Eistanpey Ca stanoey STAND BY Ei sTano ev SS ee 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 33 Two Switch coupling 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 redundant line are simultaneously active if the connection line between the devices in the connected i e remote network fails see fig 27 During the reconfiguration perio
58. 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 Switch the Ring Manager function off for all devices Do not configure link aggregation Switch RSTP off for the MRP Ring ports used in the Sub Ring Assign the same MRP domain ID to all devices If you are only using Hirschmann Automation and Control GmbH devices you do not have to change the default value for the MRP domain ID UM Redundancy Configuration L2P Release 7 1 12 2011 Multiple Rings 4 1 Sub Ring Note The MRP domain ID is a sequence of 16 numbers range 0 to 255 The default domain in the CLI default domain is the MRP domain ID of 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 AMRP domain ID consisting entirely of zeroes is invalid If you need to adjust the MRP domain ID open the Command Line Interface 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 current domain domain exists the device outputs an error message MRP current domain deleted Domain ID 2552255 255 255 255 255 259 255 255 259 255 255 25959 255 259 255 Default MRP domain mrp new domain Creates a new MRP domain with the specified 0 0 1201425223 4 4 1714 MRP domain ID You can subsequently acc
59. indicates devices or connections that connect to the items currently being described Thick lines indicate connections of the items currently being described This lines indicate connections which connect to the items currently being described Lines of dashes indicate a redundant connection Dotted lines indicate the control line O Select the Redundancy Ring Network Coupling dialog LI You first select the configuration you want One Switch coupling 1 two Switch coupling 2 or two Switch coupling with control line 3 see fig 22 UM Redundancy Configuration L2P Release 7 1 12 2011 63 Ring Network Coupling 5 2 Preparing a Ring Network Coupling Module Port Coupling port fr s ja Port mode fstand by Port state Jactive Partner coupling port Port mode Jactive Port state not connecte 1 Control port b 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 22 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 restricted For devices with DIP switches depending on the DIP switch position the dialog displays the possible configurations i
60. ing The priority and the MAC address go 0 lt n 4 096 1000H lt 32 768 8000H together to make up the bridge 61 440 FOOOH identification Sets the Hello Time 1 2 2 The local Hello Time is the time in seconds between the sending of two configuration messages Hello packets If the local device has the root function the other devices in the entire network take over this value Otherwise the local device uses the value of the root bridge in the Root column on the right Sets the Forward Delay parameter 4 30s 15s In the previous STP protocol the See the note following Forward Delay parameter was used this table to delay the status change between the statuses disabled discarding learning forwarding Since the introduction of RSTP this parameter has a subordinate role because the RSTP bridges negotiate the status change without any specified delay If the local device is the root the other devices in the entire network take over this value Otherwise the local device uses the value of the root bridge in the Root column on the right Sets the Max Age parameter 6 40s 20s In the previous STP protocol the See the note following Max Age parameter was used to this table specify the validity of STP BPDUs in seconds For RSTP Max Age signifies the maximum permissible branch length number of devices to the root bridge If the local device is the root the other devices in the entire netw
61. ion L2P Release 7 1 12 2011 75 Ring Network Coupling 5 2 Preparing a Ring Network Coupling Q Activate the function in the Operation frame see fig 31 The displays in the Select port frame mean 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 Redundancy guaranteed If the main line no longer functions the redundant line takes 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 See table on 30 Port settings for ring ports 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 Untagged Note If you are operating the Ring Manager and two Switch coupling functions at the same t
62. ion to combine up to 8 optimally up to 4 connection lines between devices into a trunk Any combination of twisted pair and F O cables can be used as the connection lines of a trunk Configure the connections so that the data rates and the duplex settings of the related ports are matching The maximum that can exit a device are 2 trunks for rail devices with 4 ports A trunks for rail and MICE devices with 8 10 ports 7 trunks for all other devices UM Redundancy Configuration L2P Release 7 1 12 2011 15 Link Aggregation 2 1 Example of link aggregation 2 1 Example of link aggregation In a network consisting of seven devices in a line topology there are two segments with a particularly large amount of data traffic You therefore decide to set up link aggregations in these segments As well as dividing the load over several lines you also get increased reliability in these segments through the redundant lines The link aggregation LATP Link Aggregation Twisted Pair consists of 3 twisted pair lines and the link aggregation LAFO Link Aggregation Fiber Optic consists of 2 glass fiber lines 3 x TP FDX 300 Mbit s Figure 1 Example of link aggregation NMS Network Management Station LATP Link Aggregation Twisted Pair LAFO Link Aggregation Fiber Optic The following example describes the configuration of the LATP link aggregation For this link aggregation you provide three free twisted pair ports
63. lay C On Off VLAN VLAN ID Switches l Number Information Set Reload Delete ring configuration Help ee Figure 10 Ring Redundancy dialog RSR20 RSR30 MACH 1000 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 are only effective for devices that you have configured as ring managers LI Click Set to temporarily save the entry in the configuration UM Redundancy Configuration L2P Release 7 1 12 2011 31 Ring Redundancy 3 1 Example of a HIPER Ring 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 define 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
64. 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 root path cost is the sum of all individual costs of those paths that a data packet has to traverse from a connected bridge s port to the root bridge PC 200000 nage pc Path costs Ethernet 100 Mbit s Ethernet 10 Mbit s PC 2000000 Bridge 2 Bridge 3 Figure 44 Path costs UM Redundancy Configuration L2P Release 7 1 12 2011 91 Spanning Tree 6 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 13 Recommended path costs for RSTP based on the data rate a Bridges that conform with IEEE 802 1D 1998 and only support 16 bit values for the path costs should use the value 65 535 FFFFH for path costs when they are used in conjunction with bridges that support 32 bit values for the path costs Note If link aggregation see on page 15 Link Aggregation
65. mple Defining the first device NMS Network Management Station UM Redundancy Configuration L2P Release 7 1 12 2011 17 Link Aggregation 2 1 Example of link aggregation O Proceed as follows to configure a link aggregation from 3 twisted pair lines on device 3 L Select the Redundancy Link Aggregation see fig 3 dialog Tallow static link Aggregation index Name Enabled Link Trap STP Mode Live af a aeaa A se e e el 34 zl 3 2 z 33 z 34 x a zef z ef eal sa z s2 z ssf ssf z sa z s2 z s3 s4 z H Set Reload Create entry Delete entry Help lee Figure 3 Creating the link aggregation L Select Allow static link aggregation ifthe partner device does not support the Link Aggregation Control Protocol LACP e g MACH 3000 Click Create entry to create a new link aggregation The Index column shows you the ID under which the device uses a link aggregation a trunk as a virtual port The device creates the port in module 8 which does not physically exist and the first link aggregation then has the ID 8 1 L The Name column allows you to give this connection any name you want In this example you give the new link aggregation the name LAPT L The Enabled column allows you to enable disable a link aggregation that has been set up Leave the checkmark in the Enabled column while you are using the link aggregation L Leave the checkmark in the Link Trap
66. n 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 without control line DIP switch RM ON Stand by ON DIP switches are deactivated and the software settings are possible without any restrictions If the DIP switches are activated and you want to use the software to select one of the configurations that are not possible grayed out you put the DIP switches on the device into another position and reload the dialog Note For reasons of redundancy reliability do not use Rapid Spanning Tree and Ring Network Coupling in combination UM Redundancy Configuration L2P 64 Release 7 1 12 2011 Ring Network Coupling 5 2 Preparing a Ring Network Coupling 5 2 2 One Switch coupling STAND BY ON N RM Figure 23 Example of one Switch coupling 1 Backbone 2 Ring 3 Partner coupling port 4 Coupling port 5 Main Line 6 Redundant Line UM Redundancy Configuration L2P Release 7 1 12 2011 65 Ring Network Coupling 5 2 Preparing a Ring Network Coupling 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 coupling port If the main line becomes inoperable the redundant
67. nctions the redundant line takes over the function of the main line Configuration failure The function is incomplete or incorrectly configured Select Configuration KHH Ha Wis tale 10 10 cal Fi 20 STANDBY C2 STAND BY STAND BY CE STAND BY STAND BY ire Select Port Module Port f fe Port mode factive Port state factive Port state Jnot connected Coupling port Partner coupling port Port mode stand by IP Address Ee port Port state not connected Operation I Information On J7 Redundancy existing C ott I Configuration failure Set Reload Delete coupling configuration Figure 38 Two Switch coupling with control line Selecting the port and enabling disabling operation gt rCoupling Mode Redundancy Mode C Redundant RingNetwork Coupling Ring Coupling Extended Redundancy Network Coupling Help 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 UM Redundancy Configuration L2P Release 7 1 12 2011 Ring Network Coupling 5 2 Preparing a Ring Network Coupling Note The following settings are required for the coupling ports you select the Basic Settings Port Configuration dialog See table on 30 Port settings for ring ports
68. nment for the redundant coupling in table 11 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 UM Redundancy Configuration L2P 72 Release 7 1 12 2011 Ring Network Coupling 5 2 Preparing a Ring Network Coupling Device Coupling port RS2 Not possible RS2 16M Adjustable for all ports default setting port 1 RS20 RS30 RS40 Adjustable for all ports default setting port 1 4 OCTOPUS Adjustable for all ports default setting port 1 4 MICE Adjustable for all ports default setting port 1 4 PowerMICE Adjustable for all ports default setting port 1 4 MS20 Adjustable for all ports default setting port 1 4 MS30 Adjustable for all ports default setting port 2 4 RSR20 30 Adjustable for all ports default setting port 1 4 MACH 100 Adjustable for all ports default setting port 2 4 MACH 1000 Adjustable for all ports default setting port 1 4 MACH 3000 Adjustable for all ports MACH 4000 Adjustable for all ports default setting port 1 4 Table 11 Port assignment for the redundant coupling two Switch coupling Note Configure the coupling port and the redundancy ring ports on different ports O Activate the function in the Operation frame see fig 31 LI Now connect the redundant line The displays in the Select port frame mean Port mode The port is either active or in stand by mode Port state
69. ns Figure 27 Extended redundancy Coupling mode The coupling mode indicates the type of the connected network C In the Coupling Mode frame select see fig 28 Ring Coupling or Network Coupling UM Redundancy Configuration L2P Release 7 1 12 2011 69 Ring Network Coupling 5 2 Preparing a Ring Network Coupling Select Configuration oq Be BC BC Bs T ki ai Bo b 3 bgs 10 10 Lo Lo 10 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 Port mode fect e Port state not connected Partner coupling port 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 28 One Switch coupling Selecting the coupling mode L Select Ring coupling if you are connecting to a redundancy ring LI Select Network Coupling if you are connecting to a line or tree structure Delete coupling configuration LI The Delete coupling configuration button in the dialog allows you to reset all the coupling settings of the device to the state on delivery UM Redundancy Configuration L2P 70 Release 7 1 12
70. om in the America region at Tel 1 717 217 2270 E mail inet support us belden com in the Asia Pacific region at Tel 65 68549860 E mail inet ap belden com Hirschmann Competence Center The Hirschmann Competence Center is ahead of its competitors Consulting incorporates copmprehensive technical advice from system evaluation through network planning to project planning Training offers you an introduction to the basics product briefing and user training with certification The current training courses to technology and products can be found at http Awww hicomcenter com Support ranges from the first installation through the standby service to maintenance concepts UM Redundancy Configuration L2P Release 7 1 12 2011 127 Further Support With the Hirschmann Competence Center you have decided against making any compromises Our client customized package leaves you free to choose the service components you want to use Internet http www hicomcenter com UM Redundancy Configuration L2P 128 Release 7 1 12 2011 Further Support UM Redundancy Configuration L2P Release 7 1 12 2011 129 fh HIRSCHMANN A BELDEN BRAND
71. oot 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 LI 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 15 UM Redundancy Configuration L2P Release 7 1 12 2011 109 Spanning Tree 6 6 The Rapid Spanning Tree Protocol Figure 52 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 UM Redundancy Configuration L2P 110 Release 7 1 12 2011 Spanning Tree 6 6 The Rapid Spanning Tree Parameter Priority Hello Time Forward Delay Max Age Protocol Meaning Possible Values Default Sett
72. ork take over this value Otherwise the local device uses the value of the root bridge in the Root column on the right Table 15 Global RSTP settings UM Redundancy Configuration L2P Release 7 1 12 2011 111 Spanning Tree 6 6 The Rapid Spanning Tree Protocol Figure 53 Definition of diameter and age The network diameter is the number of connections between the two devices furthest away from the root bridge UM Redundancy Configuration L2P 112 Release 7 1 12 2011 Spanning Tree 6 6 The Rapid Spanning Tree Protocol Note The parameters Forward Delay and Max Age have a relationship to each other Forward Delay 2 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 weve roe Sra sen Enable Pathcost EdgePort EdgePort tf 1 Mo 7 Oo false talse U 1 2 Vv o false false true 4 3a M 128 ol false __italse __true 1 4 M 128 o false fal true 1 5 Vv 128 o false fal true 1 M 128 0 false false true 1 M 128 o false fal true 1 M 128 0 false tal true 1 M 128 o false fal true 1 M 128 B false false true 1 M 128 o false false true 1 M 128 0 false false true 1 M 128 0 fal
73. ort each of two devices in the second ring network segment see fig 29 The device in the redundant line and the device in the main line use control packets to inform each other about their operating states via the Ethernet or the control line If the main line no longer functions the redundant device slave opens the redundant line immediately As soon as the main line is working again the device in the main line informs the redundant device of this The redundant line is again blocked for normal data traffic and the main line is used again The ring coupling detects and handles an error 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 7 UM Redundancy Configuration L2P 60 Release 7 1 12 2011 Ring Network Coupling 5 1 Variants of the ring network coupling One Switch coupling Two Switch coupling Two Switch coupling with control line Application The 2 devices arein The 2 devices arein The 2 devices are in impractical topological practical topological practical topological positions positions positions Therefore putting a Installing a control line Installing a control line line between them would involve a lot of would not involve would involve a lot of effort much effort effort for two Switch coupling Disadvantage If the Switch More effort for More effort for configured for the connecting the 2 conn
74. ote The Spanning Tree Protocol is a protocol for MAC bridges For this reason the following description uses the term bridge for switch Local networks are getting bigger and bigger This applies to both the geographical expansion and the number of network participants Therefore it is advantageous 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 and thus loss of communication across of the network In order to help avoid this you can use Spanning Tree Spanning Tree enables loop free switching through the systematic deactivation of redundant connections Redundancy enables the systematic reactivation of individual connections as needed RSTP is a further development of the Spanning Tree Protocol STP and is compatible with it If a connection or a bridge becomes inoperable the STP required a maximum of 30 seconds to reconfigure This is no longer acceptable in time sensitive applications RSTP achieves average reconfiguration times of less than a second When you use RSTP in a ring topology with 10 to 20 devices you can even achieve reconfiguration times in the order of milliseconds Note RSTP reduces a layer 2 network topology with redundant paths into a tree structure Spanning Tree that does not contain any more redundant pa
75. 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 UM Redundancy Configuration L2P 34 Release 7 1 12 2011 Ring Redundancy 3 2 Example of a 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 redundancy function without any restrictions You thus avoid the possibility of the software configuration being hindered by the DIP switches Note Configure all the devices of the MRP Ring individually Before you connect the redundant line you must have completed the configuration of all the devices of the MRP Ring You thus avoid loops during the configuration phase L Set up the network to meet your demands LI Configure all ports so that the transmission speed and the duplex settings of the lines correspond to the following table Port type Bit rate Autonegotiation Port setting Duplex automatic configuration TX 100 Mbit s off on 100 Mbit s full duplex FDX TX 1 Gbit s on on Optical 100 Mbit s off on 100 Mbit s full duplex FDX Optical 1 Gbit s on on Optical 10 Gbit s on 10 Gbit s full duplex FDX Table 4 Port settings for ring ports Select the Redundancy Ring Redundancy dialog Under Version select MRP Define the de
76. point connection makes a direct connection between 2 RSTP devices The direct decentralized communication between the two bridges results ina short reconfiguration time This condition applies to all MSTIs Displays the remote bridge ID from which this port last received an STP BPDU Displays the path costs of the costs read only remote bridge from its root port to Received port ID read only the CIST root bridge Displays the port ID at the remote bridge from which this port last received an STP BPDU 6 6 The Rapid Spanning Tree Protocol Possible Values true Default Setting false The device determines this condition from the duplex mode FDX true HDX false Bridge identification format ppppp mm mm mm mm mm mm 0 200 000 000 Port ID format pn nn with p port priority 16 nnn port No both hexadecimal Table 16 Port related RSTP settings and displays 116 a These columns show you more detailed information than that available up to now For designated ports the device displays the information for the STP BPDU last received by the port This helps with the diagnosis of possible STP problems in the network For the port roles alternative back up master and root in the stationary condition static topology this information is identically to the designated information If a port has no link or if it has not received any STP BDPUs for the curren
77. regation connection LAPT 8 1 see fig 5 Figure 5 Assigning ports to link aggregation UM Redundancy Configuration L2P 20 Release 7 1 12 2011 Link Aggregation 2 1 Example of link aggregation enable Switch to the privileged EXEC mode configure Switch to the Configuration mode link aggregation LATP Create a new link aggregation with the name LATP New link aggregation created Slot port is 8 1 Interface 1 1 Configuration for port 1 1 addport 8 1 Assign port 1 1 to link aggregation 8 1 Interface 1 2 Configuration for port 1 2 addport 8 1 Assign port 1 2 to link aggregation 8 1 Interface 1 3 Configuration for port 1 3 addport 8 1 Assign port 1 3 to link aggregation 8 1 exit Switch to the privileged EXEC mode show link aggregation brief Show the parameters of all the link aggregations created on the device Max num of LAGs 7 Slot no for LAGs 8 Static Capability Disabled Logical Link Aggr Interface Name Link State Mbr Ports Active Ports 8 1 LATP Down 1 1 1 2 1 3 LI Now you configure the partner device device 2 in the same way LI After the configuration you connect the other connection line s between the devices Note Exclude the combination of a link aggregation with the following redundancy procedures Network Ring coupling MRP Ring Fast HIPER Ring Sub Ring UM Redundancy Configuration L2P Release 7 1 12 2011 21 Link Aggregation
78. required for the coupling ports you select the Basic Settings Port Configuration dialog See table on 30 Port settings for ring ports 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 Untagged 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 UM Redundancy Configuration L2P 74 Release 7 1 12 2011 Ring Network Coupling 5 2 Preparing a Ring Network Coupling L Select Two Switch coupling by means of the dialog button with the same graphic as below see fig 32 STAND BY ON Figure 32 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 31 With Coupling port you specify at which port you are connecting the network segments You will find the port assignment for the redundant coupling in table 11 LI Fora 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 coupling port and the redundancy ring ports on different ports UM Redundancy Configurat
79. rimary ring and the Sub Ring becomes the redundant line The options for the connection are Both Sub Ring Managers have the same setting default manager the device with the higher MAC address manages the redundant line In the 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 L Leave the fields VLAN ID default 0 and MRP Domain default 299 255 259 2559 255 295 255 255 255 255 255 255 255 255 255 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 1 port 1 9 Defines port 9 in module 1 as the Sub 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
80. s on i eainnt Tot 1b Gurley Ben Sey hens Tor aa ley Sen Oy lore Se O No VLAN OPESPAEVON 6 2 eas Sai aie para Baise Bales Saye 2 aE a Enabled 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 UM Redundancy Configuration L2P Release 7 1 12 2011 ring ports 39 Ring Redundancy 3 3 Example of a Fast HIPER Ring 3 3 Example of a Fast HIPER Ring This example can be set up with models RSR20 RSR30 and MACH 1000 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 RSR20 RSR30 and MACH 1000 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 devices to connect the lines 1 2 3 a DCH aC ha aC RM Figure 13 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 UM Redundancy Configuration L2P 40 Release 7 1 12 2011 Ring Redundancy 3 3 Example of a Fast HIPER Ring Note Con
81. se false true 1 M 128 0 false false true 1 v 128 0 false false true 1 M 128 o false false true 1 M 128 0 false false true 1 M 128 o false false true 1 M 128 0 false false truel 1 Vv 128 o false false true M 128 0 false false true 1 Vv 128 i false false true Figure 54 Configuring RSTP for each 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 UM Redundancy Configuration L2P Release 7 1 12 2011 113 Spanning Tree 6 6 The Rapid Spanning Tree Protocol If you are using the device in a Multiple Spanning Tree MSTP environment the device only participates in the Common Spanning Tree CST instance This chapter of the manual also uses the term Global MST instance to describe this general case Parameter STP active Port status read only Port priority Port path costs Meaning Possible Values Default Setting Here you can switch Spanning Tree On Off On on or off for this port If Spanning Tree is activated globally and switched off at one port this port does not send STP BPDUs and drops any STP BPDUs received Note If you want to use other layer 2 redundancy protocols such as HIPER Ring or Ring Network coupling in parallel with Spanning Tree make sure you switch off the ports participating in these protocols in this dialog for Spanning Tree
82. sired 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 UM Redundancy Configuration L2P Release 7 1 12 2011 35 Ring Redundancy 3 2 Example of a MRP Ring Display in Operation field forwarding this port is switched on and has a link blocked this port is blocked and has a link disabled this port is disabled not connected this port has no link r ersion C HIPER Ring MRP Fast HIPER Ring Ring Port 1 Ring Port 2 Module 1 Module Port 1 Port 2 Operati Operati J Configuration Redundancy Manager IM Advanced Mode Redundancy Manager Mode On Off Operation Ring Recover y Con C 500ms off 200ms VLAN YLAN ID Information BA Set Reload Delete ring configuration Help Figure 12 Ring Redundancy dialog RSR20 RSR30 MACH 1000 L 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 are only effective for devices that you have configured as ring managers O Under Configuration Redundancy Manager activate the advanced mode Activate the ring manager for this device Do not activate the ring man
83. st MAC address in the bridge identification bridge 4 in the illustration There are also 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 current root bridge goes down UM Redundancy Configuration L2P Release 7 1 12 2011 99 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 48 Example of manipulating the root path 100 6 4 Example of manipulating the root path Priority of the bridge identifikation BID BID without MAC Address Interrupted path UM Redundancy Configuration L2P Release 7 1 12 2011 Spanning Tree 6 5 Example of manipulating the tree structure 6 5 Example of manipulating the tree structure The Management Administrator soon discovers that this configuration with bridge 1 as the root bridge See on page 97 Example of determining the root path is invalid On the paths from bridge 1 to bridge 2 and bridge 1 to bridge 3 the control packets which the root bridge sends
84. structions a description of the display and the other information that you need to install the device The Industry Protocols user manual describes how the device is connected by means of a communication protocol commonly used in the industry such as EtherNet IP and PROFINET IO The GUI reference manual contains detailed information on using the graphical interface to operate the individual functions of the device The Command Line Interface Reference Manual contains detailed information on using the Command Line Interface to operate the individual functions of the device UM Redundancy Configuration L2P Release 7 1 12 2011 5 About this Manual The Industrial HiVision Network Management Software provides you with additional options for smooth configuration and monitoring Simultaneous configuration of multiple devices Graphic interface with network layout Auto topology discovery Event log Event handling Client server structure Browser interface ActiveX control for SCADA integration SNMP OPC gateway Maintenance Hirschmann are continually working on improving and developing their software You should regularly check whether there is a new version of the software that provides you with additional benefits You will find software information and downloads on the product pages of the Hirschmann website UM Redundancy Configuration L2P 6 Release 7 1 12 2011 Key Key The designations used in this man
85. suggestions help us to further improve the quality of our documentation Your assessment of this manual Very good Good Satisfactory Mediocre Poor Precise description O O O O O Readability O O O O O Understandability O O O O O Examples O O O O O Structure O O O O O Completeness O O O O O Graphics O O O O O Drawings O O O O O Tables O O O O O Did you discover any errors in this manual If so on what page UM Redundancy Configuration L2P 122 Release 7 1 12 2011 Readers Comments Suggestions for improvement and additional information General comments Sender Company Department Name Telephone no Street Zip code City e mail Date Signature Dear User Please fill out and return this page as a fax to the number 49 0 7127 14 1600 or by post to Hirschmann Automation and Control GmbH Department 01RD NT Stuttgarter Str 45 51 72654 Neckartenzlingen UM Redundancy Configuration L2P Release 7 1 12 2011 123 Readers Comments UM Redundancy Configuration L2P 124 Release 7 1 12 2011 Index B index A Advanced Mode Age Alternate port B Backup port Bridge Identifier Configuration error Configuring the HIPER Ring D DIP switch Designated bridge Designated port Diameter Disabled port E Edge port F FAQ Fast HIPER Ring port VLAN ID Forward Delay H HIPER Ring Hello Time HiVision Industry Protocols 34 112 103 103 103 90 90 33 37 43 29
86. t MSTI the device displays the values that the port would send as a designated port UM Redundancy Configuration L2P Release 7 1 12 2011 Spanning Tree 6 7 Combining RSTP and MRP 6 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 53 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 55 Combination of RSTP and MRP 1 MRP Ring 2 RSTP Ring RM Ring Manager UM Redundancy Configuration L2P Release 7 1 12 2011 117 Spanning Tree 6 7 Combining RSTP and MRP To combine RSTP with MRP you perform the following steps in sequence Configure MRP on all devices in the MRP Ring Close the redundant line in the MRP Ring Activate RSTP at the RSTP ports and also at the MRP Ring ports Configure the RSTP root bridge and the RSTP backup root bridge in the MRP Ring Set their priority Ifyou exceed the RSTP diameter specified by the preset value of Max Age 20 modify Max Age and Forward Delay accordingly Switch on RSTP globally Switch on the MRP compatibility mode After configuring all the participating devices connect the redundant RSTP connection UM Redundancy Configuration L2P 118 Rele
87. t domain Define port 2 in module 1 as ring port 2 port secondary 1 2 secondary Secondary Port set to 1 2 UM Redundancy Configuration L2P Release 7 1 12 2011 Ring Redundancy mrp current domain mode manager Mode of Switch set to manager mrp current domain recovery delay 200ms Recovery delay set to 200ms mrp current domain advanced mode enable Advanced Mode mrp current domain operation enable react on link Operation set to Enabled exit show mrp Domain ID 29522552553 25522592259 255 32 Default MRP domain 3 2 Example of a MRP Ring Define this device as the ring manager Define 200ms as the value for the Ring Recovery 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 99s 299 2599 255 25959 255 2559 255 255 Configuration Settings Advanced Mode react on link change Enabled Manager Priority eciteso ene we eh bee ees 32768 Mode of Switch administrative setting Manager Mode of Switch real operating state Manager Domain NaM sci devs ieeedaaSiacavace cae das lt empty gt Recovery d lay ssccceeisaacesvee cea c es 200ms Port Number PEAMaAPYs 6 6 6463 ae bb Ado a teed 1 1 State Not Connected Port Number Secondary 0e08 1 2 State Not Connected MEAN TD sg syn SS sa
88. t is switched off or does not have any connection UM Redundancy Configuration L2P Release 7 1 12 2011 103 Spanning Tree 6 6 The Rapid Spanning Tree Protocol P BID 16 384 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 50 Port role assignment 6 6 2 Port states Depending on the tree structure and the state of the selected connection paths the RSTP assigns the ports their states UM Redundancy Configuration L2P 104 Release 7 1 12 2011 Spanning Tree 6 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 14 Relationship between port state values for STP and RSTP a The dot1d MIB displays Disabled b The dot1d MIB displays Blocked Meaning of the RS
89. the MRP compatibility on all devices in the MRP Ring in the Rapid Spanning Tree Global dialog as the RSTP Spanning Tree and ring redundancy affect each other If this is not possible perhaps because individual devices do not support the MRP compatibility you deactivate RSTP at the ports connected to the MRP Ring Note When you are configuring an MRP Ring using the Command Line Interface you 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 UM Redundancy Configuration L2P Release 7 1 12 2011 37 Ring Redundancy 3 2 Example of a MRP Ring 38 enable Switch to the privileged EXEC mode configure Switch to the Configuration mode mrp new domain Creates anew MRP Ring with the default domain default domain ID 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 MRP domain created Domain ID 2904200 200 42004 200 200 2004 200620062004 200 2004209 299 2599 2995 Default MRP domain mrp current domain Define port 1 in module 1 as ring port 1 primary port primary 1 1 Primary Port set to 1 1 mrp curren
90. the device to the state on delivery UM Redundancy Configuration L2P 78 Release 7 1 12 2011 Ring Network Coupling 5 2 Preparing a Ring Network Coupling 5 2 4 Two Switch Coupling with Control Line Edo STAND BY _ ON STAND BY C ON j Figure 36 Example of Two Switch coupling with control line 1 Backbone 2 Ring 3 Main line 4 Redundant line 5 Control line UM Redundancy Configuration L2P Release 7 1 12 2011 79 Ring Network Coupling 5 2 Preparing a Ring Network Coupling 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 redundant 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 L Select Two Switch coupling with control line by means of the dialog button with the same graphic as below see fig 37 STAND BY ON Figure 37 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 CI S
91. ths One of the switches takes over the role of the root bridge here The maximum number of devices permitted in an active branch from the root bridge to the tip of the branch is specified by the variable Max Age for the current root bridge The preset value for Max Age is 20 which can be increased up to 40 UM Redundancy Configuration L2P Release 7 1 12 2011 87 Spanning Tree If the device working as the root is inoperable and another device takes over its function the Max Age setting of the new root bridge determines the maximum number of devices allowed in a branch Note The RSTP standard dictates that all the devices within a network work with the Rapid Spanning Tree Algorithm If STP and RSTP are used at the same time the advantages of faster reconfiguration with RSTP are lost in the network segments that are operated in combination A device that only supports RSTP works together with MSTP devices by not assigning an MST region to itself but rather the CST Common Spanning Tree Note By changing the IEEE 802 1D 2004 standard for RSTP the Standards Commission reduced the maximum value for the Hello Time from 10 s to 2 s When you update the switch software from a release before 5 0 to release 5 0 or higher the new software release automatically reduces the locally entered Hello Time values that are greater than 2 s to 2s If the device is not the RSTP root Hello Time values greater than 2 s can remain val
92. ts 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 46 Flow diagram for specifying the root path UM Redundancy Configuration L2P 96 Release 7 1 12 2011 Spanning Tree 6 3 Example of determining the root path 6 3 Example of determining the root path You can use the network plan see fig 47 to follow the flow chart see fig 46 for determining the root path The administrator has specified another priority in the bridge identification for each bridge The bridge with the smallest numerical value for the bridge identification takes on the role of the root bridge in this case bridge 1 In the example all the sub paths have the same path costs The protocol blocks the path between bridge 2 and bridge 3 as a connection from bridge 3 via bridge 2 to the root bridge would result in higher path costs The path from bridge 6 to the root bridge is interesting The path via bridge 5 and bridge 3 creates the same root path costs as the path via bridge 4 and bridge 2 The bridges select the path via bridge 4 because the value 28 672 for the priority in the bridge identifier is smaller than value 32 768 There are also 2 paths between bridge 6 and bridge 4 The port identifier is decisive here
93. ual have the following meanings List O Work step Subheading Link Cross reference with link Note A note emphasizes an important fact or draws your attention to a dependency Courier ASCII representation in user interface CJ Execution in the Graphical User Interface Web based Interface user interface Execution in the Command Line Interface user interface Symbols used WLAN access point p Router with firewall Switch with firewall Li Router lt Switch x UM Redundancy Configuration L2P Release 7 1 12 2011 7 A ey PY cS BO i e Bridge Hub A random computer Configuration Computer Server PLC Programmable logic controller I O Robot UM Redundancy Configuration L2P Release 7 1 12 2011 Introduction 1 Introduction The device contains a range of redundancy functions Link Aggregation HIPER Ring MRP Ring Fast HIPER Ring RSR20 RSR30 and MACH 1000 Sub Ring RSR20 RSR30 and MACH 1000 Ring Network coupling Rapid Spanning Tree Algorithm RSTP UM Redundancy Configuration L2P Release 7 1 12 2011 Introduction 1 1 Overview of Redundancy Topologies 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
94. ugh the STP statuses first before taking on the forwarding status if applicable This setting applies to all MSTIs The device sets the Oper Edge Port condition to true if it has not received any STP BPDUs i e a terminal device is connected It sets the condition to false if it has received STP BPDUs i e a bridge is connected This condition applies to all MSTIs The device only considers the Auto Edge Port setting when the Admin Edge Port parameter is deactivated If Auto Edge Port is active after a link is set up the device sets the port to the forwarding status after 1 5 Hello Time in the default setting 3 s If Auto Edge Port is deactivated the device waits for the Max Age instead in the default setting 20 s This setting applies to all MSTIs 6 6 The Rapid Spanning Tree Protocol Possible Values active box selected inactive box empty Default Setting inactive true false active box active selected inactive box empty Table 16 Port related RSTP settings and displays UM Redundancy Configuration L2P Release 7 1 12 2011 115 Spanning Tree Parameter Oper Point to Meaning The device sets the Oper point to Point read only point condition to true if this port Received bridge ID read only Received path has a full duplex condition to an STP device Otherwise it sets the condition to false e g if a hub is connected The point to
95. user manual Device type Stand by switch type RS2 DIP switch RS2 16M DIP switch RS20 RS30 RS40 Selectable DIP switch and software setting MICE Power MICE Selectable DIP switch and software setting MS20 MS30 Selectable DIP switch and software setting OCTOPUS Software switch RSR20 RSR30 Software switch MACH 100 Software switch MACH 1000 Software switch MACH 3000 MACH 4000 Software switch Table 8 Overview of the stand by switch types Depending on the device and model set the stand by switch in accordance with the following table UM Redundancy Configuration L2P 62 Release 7 1 12 2011 Ring Network Coupling 5 2 Preparing a Ring Network Coupling Device with Choice of main coupling or redundant coupling DIP switch On Stand by DIP switch DIP switch software switch According to the option selected option on Stand by DIP switch or in the Redundancy Ring Network Coupling dialog by making selection in Select configuration Note These devices have a DIP switch with which you can choose between the software configuration and the DIP switch configuration You can find details on the DIP switches in the User Manual Installation Software switch In the Redundancy Ring Network Coupling dialog Table 9 Setting the stand by switch Note In the following screenshots and diagrams the following conventions are used Blue indicates devices or connections of the items currently being described Black

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