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User Manual Redundancy Configuration L3E

1. Redundant line Fig 5 Example of a HIPER Ring combined with link aggregation The example above illustrates a HIPER Ring A link aggregation connection forms a segment of the ring The HIPER Ring function does not activate the redundant link of the ring until all connecting links of the link aggregation connection have been interrupted Note Please note that the respective HIPER Ring port is involved in the sel ected link aggregation Redundancy L3E 18 Release 4 0 12 07 Redundant ring structure HIPER Ring 2 1 The HIPER Ring 2 Redundant ring structure HIPER Ring 2 1 The HIPER Ring The concept of the HIPER Ring enables the construction of high availability ring shaped network structures By using the RM function Redundancy Manager of a switch with software L2E L2P LSE or L8P both ends of a backbone in a line type configuration can be closed to create a redundant ring the HIPER Ring see Fig 6 For HIPER Ring Version 1 it is possible to mix the RS1 RS2 RS2 16M RS2 4R RS20 RS30 RS40 MICE PowerMICE MS 20 MS 30 RSR20 RSR30 MACH 1000 MACH 3000 and MACH 4000 in any combination within the HIPER Ring For HIPER Ring Version 2 MRP Draft it is possible to mix the devices that support this function in any combination within the HIPER Ring For HIPER Ring Version 3 it is possible to mix the RSR20 RSR30 and MACH 1000 in any combination within the HIPER Ring lf a section is down t
2. Operation Information Redundancy Mode Coupling Mode On Redundancy guaranteed C Redundant RingMetwork Coupling Ring Coupling C Off I Configuration failure Extended Redundancy Network Coupling Set Reload Delete coupling configuration Help Fig 22 Selecting the redundany mode With the Redundant Ring Network Coupling setting either the main line or the redundant line is active Both lines are never active simulta neously With the Extended Redundancy setting the main line and the redun dant line are simultaneously active if the connection line between the switches in the connected network fails see Fig 23 During the recon figuration period there may be frame duplications Therfore only select this setting if your application detects frame duplications Redundancy L3E Release 4 0 12 07 45 Redundant coupling 3 2 Configuring the Redundant Coupling Fig 23 Extended Redundancy Coupling Mode Coupling mode refers to the type of coupled network Select in the frame Coupling Mode see Fig 24 Ring Coupling or Network Coupling h HIRSCHMANN Ring Network Coupling A Belden Company Select Configuration 2C STAND BY res STAND BY STAND BY E Pea STAND BY STAND BY ed Select Port Module Port Coupling port a fa Port mode factive Port state factive Partner coupling port Port mode jstand by Port state not co
3. ned in a trunk 08 Redundancy L3E Release 4 0 12 07 Rapid Spanning Tree 4 1 The Spanning Tree Protocol Port identification The port identification consists of two bytes One part the lower value byte reflects a fixed relationship to the physical port number This part ensures that no port in a bridge receives the same designation as another port in the same bridge The second part contains the priority number which is set by the management administrator default 128 It is also true here that the port with the lowest numerical value for its port identifier is the one with the highest MSB LSB VY Priority Port number Fig 34 Port identification 4 1 3 Rules for creating the tree structure Bridge information In order to compute their tree structures the bridges need information about other bridges that are present in the network This information is obtained by each bridge sending a BPDU Bridge Protocol Data Unit to all other bridges Along with other information the BPDU contains the bridge identitier root path costs and port identification see IEEE 802 1D Redundancy L3E Release 4 0 12 07 59 Rapid Spanning Tree 4 1 The Spanning Tree Protocol Building the tree structure The bridge with the numerically smallest bridge identifier is made the root bridge It forms the root of the tree structure The structure of the tree depends upon the root path costs The struc ture that is chos
4. forwarding this port is switched on and has a link blocked this port is blocked and has a link disabled this port is switched off not connected this port does not have a link At exactly one switch you switch the redundancy manager on at the ends of the line h HIRSCHMANN QHIPER Ring A Belden Company Configuration Redundancy Manager Advanced Mode Redundancy Manager Mode On Off Operation C On C off VLAN VLAN ID Information Ei Help Fig 9 Selecting the HIPER Ring version entering the Rng Ports and switching on off the Redundancy Manager If a switch in the ring does not support the advanced mode for fast swit ching times you deactivate the advanced mode in the redundancy ma nager in the Configuration frame All Hirschmann switches that support the HIPER Ring Version 2 MRP Draft also support the advanced mode Note Deactivate the Spanning Tree protocol for the ports connected to the redundant ring because Spanning Tree and ring redundancy work with different reaction times The VLAN frame enables you to assign the MRP Ring to a VLAN Redundancy L3E Release 4 0 12 07 25 Redundant ring structure HIPER Ring 2 1 The HIPER Ring 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 Note the VLAN configuration of the ring ports Then select fo
5. Fig 30 Extended Redundancy Redundancy L3E Release 4 0 12 07 53 Redundant coupling 3 2 Configuring the Redundant Coupling Coupling Mode Coupling mode refers to the type of coupled network Select in the frame Coupling Mode see Fig 24 Ring Coupling or Network Coupling h HIRSCHMANN Ring Network Coupling A Belden Company Select Configuration Pg PS Pg PS r 1 ot sai x aD ac abc caa i i STAND EY cm o io o EJ STANDBY C STAND BY STAND BY E STAND BY E Select Port Module Port Coupling port Is fa Port mode active Port state active Partner coupling port Port mode jstand by Port state not connected IP Address fo 0 0 0 Control port lo lo Port state Jnot connected Operation Information Redundancy Mode Coupling Mode On Redundancy guaranteed C Redundant RingNetwork Coupling Ring Coupling C Off l Configuration failure Extended Redundancy Network Coupling Set Reload Delete coupling configuration Help Fig 31 Selecting the coupling mode Select Ring coupling if you wish to couple a HIPER Ring Select Network coupling if you wish to couple a line type configuration E Delete coupling configuration The Delete coupling configuration button in the dialog allows you to restore all the default coupling settings of the device state on delivery Redundancy L3E 54 Release 4 0 12
6. The condition change from normal to blocking occurs without a time lapse Max Age After the Max Age time 6 40 6 period has passed a BPDU is invalid and discar ded Table 13 Global RSTP settings As required change and verify the settings and displays that relate to each individual port menu bar Rapid Spanning Tree Port Note Deactivate the spanning tree protocol on the ports connected toa redundant ring since spanning tree and ring redundancy operate at dif ferent reaction Redundancy L3E Release 4 0 12 07 T1 Rapid Spanning Tree 4 3 Configuring the Rapid Spanning Tree Variable Meaning Possible values State on delivery STP State Enable Switching RSTP on off at on on this port Switch STP off off when connecting a termi nal device in order to avoid unnecessary waiting peri ods See also Fast recon figuration on page 71 Port State Display ot the port state disabled forwarding discarding blocking learning manualFwd see Table 12 on page 70 Priority Enter of the first byte of the 16 lt n 16 lt 240 128 port identification See also Port identification on page 59 Admin Enter the path costs to indi 0 200 000 000 0 Pathcost cate preference for redun dant paths If the value is 0 the switch automati cally calculates the path costs depending on the transmission rate See also The bridge parameters on page 57 Admin Enter whether a terminal true false fa
7. 1 and Redundancy L3E Release 4 0 12 07 63 Rapid Spanning Tree 4 1 The Spanning Tree Protocol gave bridge 1 the value 16 384 thus making it the root bridge In this example the partial paths all have the same path costs The path bet ween bridge 2 and bridge 3 is removed because a connection from bridge 3 to the root bridge via bridge 2 would result in twice the path The path from bridge 6 to the root bridge is interesting The path via bridges 5 and 3 generates the same root path costs as the path via bridges 4 and 2 STP selects the path using the bridge that has the lowest MAC address in the bridge identification bridge 4 in the illustration There are however two paths between bridge 6 and bridge 4 In this case the larger port priority is decisive Note Because the Administrator does not change the default values for the priorities of the bridges in the bridge identification apart from the root bridge the MAC address in the bridge identification alone determines which bridge becomes the new root bridge if the root bridge goes down Redundancy L3E 64 Release 4 0 12 07 Rapid Spanning Tree P BID 16384 T Bridge 1 P BID 32768 P BID 32768 Bridge 2 Bridge 3 P BID 32768 ES Bridge 7 P BID 32768 P BID 32768 Port 3 Bridge 4 Bridge 5 0 i O ol l l l P BID 32768 Port 2 Bridge 6 Fig 37 Example of a root path manipulation Redundancy L3E Release 4 0 1
8. 36 With coupling port you specify at which port you are connecting the main line Switch Coupling port RS2 Not possible RS2 16M Adjustable for all ports state on delivery Port 1 RS20 RS30 RS40 Adjustable for all ports state on delivery Port 1 4 MICE Adjustable for all ports state on delivery Port 1 4 PowerMICE Adjustable for all ports state on delivery Port 1 4 MS20 Adjustable for all ports state on delivery Port 1 4 MS30 Adjustable for all ports state on delivery Port 2 4 RSR20 RSR30 Adjustable for all ports state on delivery Port 1 4 MACH 1000 Adjustable for all ports state on delivery Port 1 4 MACH 3000 Adjustable for all ports MACH 4000 Adjustable for all ports state on delivery Port 1 4 Table 8 Port assignment one switch coupling Note Configure the coupling port and the HIPER Ring ports on different ports Switch on the function In the frame Operation see Fig 14 Redundancy L3E 36 Release 4 0 12 07 Redundant coupling 3 2 Configuring the Redundant Coupling You now connect the redundant line The displays in the Select port frame mean see Fig 14 Port mode The port is either active or in stand by mode Port status The port is either connected or not connected The displays in the Information frame mean see Fig 14 Redundancy working One of the lines affected can fail as then a redundant line will take over the function of the f
9. Adjustable for all ports Adjustable for all ports state on delivery Port 1 4 state on delivery Port 1 3 PowerMICE Adjustable for all ports Adjustable for all ports state on delivery Port 1 4 state on delivery Port 1 3 MS20 Adjustable for all ports Adjustable for all ports state on delivery Port 1 4 state on delivery Port 1 3 MS30 Adjustable for all ports Adjustable for all ports state on delivery Port 2 4 state on delivery Port 2 3 RSR20 RSR30 Adjustable for all ports Adjustable for all ports Redundancy L3E Release 4 0 12 07 state on delivery Port 1 4 state on delivery Port 1 3 49 Redundant coupling 3 2 Configuring the Redundant Coupling 50 Switch Coupling port Contol port MACH 1000 Adjustable for all ports Adjustable for all ports state on delivery Port 1 4 state on delivery Port 1 3 MACH 3000 Adjustable for all ports Adjustable for all ports MACH 4000 Adjustable for all ports Adjustable for all ports state on delivery Port 1 4 state on delivery Port 1 3 Table 10 Port assignment two switch coupling with control line Note Configure the coupling port and the HIPER Ring ports on different ports _ Switch on the function In the frame Operation see Fig 27 You now connect the redundant line and the control line The displays in the Select port frame mean see Fig 27 Port mode The port is either active or in stand by mode Port status The
10. Coupling 3 2 3 Two switch coupling 3edundancy Manager On Main line Redundant line Redundancy Manager On x gt O O STAND BY STAND BY Fig 18 Example two switch coupling The coupling between two networks is effected by the main line thick blue line If the main line fails the redundant line thick blue dashed line takes over coupling the two networks The coupling is effected by two switches The switches send their control packages via the Ethernet The switch to which you connect the main line and the switch to which you connect the redundant line are partners concerning the coupling Connect the two partners via their ring ports Redundancy L3E Release 4 0 12 07 41 Redundant coupling 3 2 Configuring the Redundant Coupling Select the dialog Redundancy Ring Network Coupling Select the two switch main coupling see Fig 19 Partner coupling port Coupling port O STAND BY Fig 19 Two switch coupling The following settings apply to the switch displayed in blue in the selected graphic Select the coupling port see Fig 20 see Table 9 on page 42 With Coupling port you specify at which port you are connecting the network segments If the STANDBY DIP switch is OFF connect the main line to the coupling port Switch Coupling port RS2 Port 1 RS2 16M Adjustable for all ports state on delivery Port 1 RS20 RS30 RS40 Adjus
11. Port Extended Redundancy F FAQ H HIPER Ring L Link Aggregation Link aggregation Loop M MRP Ring N Network Coupling P Partner coupling port Port Identifier R Redundancy manager Redundancy mode Redundancy working Redundant Redundancy L3E Release 4 0 12 07 26 39 59 66 73 26 15 44 49 71 68 6 64 71 74 58 25 26 26 67 93 45 81 82 11 81 82 65 39 68 76 57 15 66 67 74 44 49 39 Redundant ring 45 Redundant Ring Network Coupling 67 Ring 39 Ring Coupling 68 76 Ring ports 41 47 Ring structur 45 Ring structure 39 Root path costs 15 Root Port 25 S Status 28 Support 93 Two switch coupling 70 99 Index Redundancy LSE 100 Release ne h HIRSCHMANN A Belden Company
12. Redundancy L3E Release 4 0 12 07 71 Rapid Spanning Tree 4 2 The Rapid Spanning Tree Protocol Reaction to events Without having to adhere to any time specifications RSTP reacts imme diately to events such as connection interruption connection esta blished etc Note The price for this fast reconfiguration Is the risk that data packets may be duplicated or misplaced during the reconfiguration phase If you cannot accept such a risk in your application switch back to the slower Spanning Tree Protocol or select one of the other redundancy procedures described in this manual Redundancy L3E 12 Release 4 0 12 07 Rapid Spanning Tree 4 3 Configuring the Rapid Spanning Tree 4 3 Configuring the Rapid Spanning Tree Set up the network to meet your requirements Note Before you connect the redundant lines you must complete the configuration of the RSTP You thus avoid loops during the configuration phase Inthe Redundancy Rapid Spanning Tree dialog select Global Switch on RSTP on every device h HIRSCHMANN 2 RSTP Global A Belden Company Operation f On C Off Root Information Priority I MAC Address Root ld 20480 100 80 63 Of 1d bO This device is root Root Port f 4 Root Cost 1220000 Protocol Configuration Information Priority 32768 MAC Address Hello Time s p 2 Topology Changes Forward Delay s fo f 5 Time since last change 0 day s 2 14 54 Max Age s f 2
13. a port row and enter the virtual router ID in the VRID row Click on Next In the wizard window you enter the VRRP IP address of the virtual router the VRRP priority the authentication type the authentication key the advertisment interval Select the preempt mode if you require Activate the VRRP function If you want switching times of less than 3 s or the routers to use Unicasts to communicate with one another you activate the HiVRRP field and fill the HiVRRP message inter val and HiVRRP destination address fields The HiVRRP message interval has a range from 100 to 255000 ms The HiVRRP destination address is the IP address of the partner HiVRRP router Click on Finish to transfer the VRRP router interface into the VRRP router interface table or Redundancy L3E Release 4 0 12 07 85 VRRP HIVRRP 5 1 Configuring the VRRP Click on Next to assign tracking objects to the virtual router in the Tracking window If a tracking object changes to the down status the VRRP priority is decremented select an existing track entry and click Add You can add up to eight tracking objects Make sure that the sum of the decrements of all the assigned track entries is less than the VRRP priority of this VRRP interface Note As the IP address owner has the fixed VRRP priority 255 by definition the VRRP tracking function requires the IP addresses of the VRRP router in
14. active Topology Port Role 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 MANUALFWD Enabled TRUE ManualFwd Excluded Disabled Table 12 Relationship between the port status values in the STP and RSTP the dot1d MIB shows Disabled the dot1d MIB shows Blocked Meaning of the RSTP port states Disabled port does not belong to the active topology Discarding no address learning in FDB and no data traffic apart from sending and receiving Learning address learning active FDB and no data traffic apart from BPDUs Forwarding address learning active FDB and sending and receiving active from all frames not only BPDUs 4 2 3 Spanning Tree Priority Vector To assign roles to the ports the RSTP bridges exchange configuration infor mation between themselves This information is known as a Spanning Tree Priority Vector It contains the following Redundancy L3E 70 Release 4 0 12 07 Rapid Spanning Tree 4 2 The Rapid Spanning Tree Protocol Bridge identification of the root bridge Root path costs of the transmitting bridge Bridge identification of the transmitting bridge Port identification of the port th
15. affiliation U in the static VLAN table Redundancy mode Select in the frame Redundany mode see Fig 15 Redundant Ring Network Coupling or Extended Redundancy h HIRSCHMANN Ring Network Coupling A Belden Company al Pea ed FH EH a STAND BY STAND BY STAND BY STAND By Select Configuration EI STANDBY Select Port Module Port Coupling port ho Port mode jstand by Partner coupling port Port mode factive pb Pp ob Control port Operation Information Redundancy Mode Coupling Mode C On Redundancy guaranteed C Redundant RingMetwork Coupling Ring Coupling Off l Configuration failure Extended Redundancy Network Coupling Set Reload Delete coupling configuration Help Fig 15 Selecting the redundany mode With the Redundant Ring Network Coupling setting either the main line or the redundant line is active Both lines are never active simulta neously Redundancy L3E 38 Release 4 0 12 07 Redundant coupling 3 2 Configuring the Redundant Coupling With the Extended Redundancy setting the main line and the redun dant line are simultaneously active if the connection line between the switches in the connected network fails see Fig 16 During the recon figuration period there may be package duplications Therefore only select this setting if your application detects frame duplications F
16. change the configuration while the connections to these ports are operating Note The following settings are required for the coupling ports for this select the dialog Basics Port Configuration Port on Autonegotiation on when using a twisted pair connection Manual configuration 100 Mbit s FDX when using a fiber connection Note If there are VLANs configured then consider the VLAN configura tion of the coupling and partner coupling ports In the Ring Network Coupling configuration select for the coupling and partner coupling ports VLAN ID 1 and Ingress Filtering disabled in the port table and VLAN affiliation U in the static VLAN table Redundancy L3E Release 4 0 12 07 51 Redundant coupling 3 2 Configuring the Redundant Coupling Select the two switch redundant coupling with control line see Fig 28 Control Partner gl port a e rr Z Coupling port De port O STAND BY Fig 28 Two switch coupling with control line The following settings apply to the switch displayed in blue in the selected graphic Select the coupling port see Fig 27 see Table 10 on page 50 With Coupling port you specify at which port you are connecting the network segments If the STANDBY DIP switch is ON connect the main line to the coupling port Proceed in the same way as with Two switch main coupling with control line Seite 49 Redundancy mode Select in the frame Redun
17. complete bandwidth of link cables is available for data transmission The load distribution of the link lines is effected dynamically All link lines together are referred to as the trunk 3 x TP FDX 600 Mbit s 2 x FO FDX 4 Gbit s 10 km Singlemode Fig 1 Example of link aggregation Any combination of twisted pair and LWL cables can be used as the connec tion lines of a trunk It is only necessary that for all the connections the trans mission speed and the duplex settings of the related ports are the same You can use link aggregation to combine into a trunk up to 8 optimally up to 4 connection lines between switches These links increase the data rate and in the event that a link should fail the remaining links take over the entire data traffic A maximum of 7 trunks can exit a switch Redundancy L3E Release 4 0 12 07 13 Link Aggregation 1 1 Configuring the link aggregation 1 1 Configuring the link aggregation Note A link aggregation always has two switches Therefore you configure the link aggregation on each of the two switches involved From the switches involved in a link aggregation you define the switch that has the most switches between itself and the switch to which the configuration PC is connected You begin the configuration at this switch otherwise the LACP can block ports and disconnect switches from the network In the example below see Fig 2 you configure the link aggregation
18. h HIRSCHMANN A Belden Company User Manual Redundancy Configuration Industrial ETHERNET Gigabit Switch PowerMICE MACH 4000 Redundancy L3E Technical Support Release 4 0 12 07 HAC Support hirschmann de The naming of copyrighted trademarks in this manual even when not specially indicated should not be taken to mean that these names may be considered as free in the sense of the trademark and tradename protection law and hence that they may be freely used by anyone 2007 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 The performance features described here are binding only if they have been expressly guaranteed in the contract This publication has been created by Hirschmann Automation and Control GmbH according to the best of our knowledge Hirschmann reserves the right to change the contents of this manual without prior notice Hirschmann can give no guarantee in respect of the correctness or accuracy of the details in this publication Hirschmann can accept no responsibility for damages resulting from the use of the network components or the associated operating software In addition we refer to the conditions of use specified in the licen
19. is selected as the root bridge In this example the partial paths all have the same path costs The path between bridge 2 and bridge 3 is removed because a connection from bridge 3 to the root bridge via bridge 2 would result in twice the path costs The path from bridge 6 to the root bridge is interesting The path via bridges 5 and 3 generates the same root path costs as the path via bridges 4 and 2 The path via bridge 4 is selected because the numerical value 28 672 for the priority in the bridge identifier is less than the numerical value 32 768 There are however two paths between bridge 6 and bridge 4 In this case the larger port priority is decisive Redundancy L3E 62 Release 4 0 12 07 Rapid Spanning Tree 4 1 The Spanning Tree Protocol P BID 16384 Bridge 1 P BID 20480 P BID 24576 Bridge 2 Bridge 3 P BID 40960 Bridge 7 P BID 28672 P BID 32768 i Port 3 EF 1 HE Bridge 4 ge 5 Port 1 P BID Priority of the bridge identifikation BID P BID 36864 BID without MAC Address Root path oJ m ios Port 2 Interrupted path Bridge 6 Fig 36 Root path determination example 4 1 5 Example manipulation of root paths Using the network diagram see Fig 37 it is possible to follow the logic in the flow chart see Fig 35 for determining the root path The Administrator left the default value of 32 768 for each bridge apart from bridge
20. port at the same time Characteristic of an edge port is the fact that it does not receive any RSTP BPDUs Rapid Spanning Tree Bridge Protocol Data Alternate port This is a blocked port that takes over the function of the root port if the connection to the root bridge fails The alternative port re establishes a re liable connection from the bridge to the root Backup port This is a blocked port that is available as a replacement in case the con nection to the designated port of this network segment without RSTP bridge fails Disabled Port This is a port that has no meaning within the Spanning Tree operation as it is switched off or has no connection Redundancy L3E Release 4 0 12 07 Rapid Spanning Tree 4 2 The Rapid Spanning Tree Protocol P BID 16384 Bridge 1 P BID 20 480 P BID 24576 4 Bridge 2 Bridge 3 P BID 40960 T Bridge 7 P BID 28672 P BID 32768 P BID Priority of the bridge identifikation BID without MAC Address Root path Interrupted path C Root port Designated port ll Alternate port lll Backup port lt Edge port Fig 39 Port role assignment Redundancy L3E Release 4 0 12 07 69 Rapid Spanning Tree 4 2 The Rapid Spanning Tree Protocol 4 2 2 Port states According to the tree structure and the status of the selected connection routes RSTP assigns their statuses to the ports STP Port State SA dee a ees nal aa Port
21. port is either connected or not connected IP address The IP address of the partner if it is already operating in the network The displays in the Information frame mean see Fig 27 Redundancy working One of the lines affected can fail as then a redundant line will take over the function of the failed line Configuration error The function is incomplete or incorrectly configured Redundancy L3E Release 4 0 12 07 Redundant coupling 3 2 Configuring the Redundant Coupling h HIRSCHMANN Ring Network Coupling A Belden Company DC DC wal S o X a a zca CS STAND BY STAND BY ed Select Configuration PC PC PC Pi I 1 x pa OC caa j ST Lo Lo o E STANDBY C STAND BY AND BY E Select Port Module Port Coupling port a fa Port mode jactive Port state factive Partner coupling port Port mode fstand by Port state not connectec IP Address Control port not connectec Operation Informeation Redundancy Mode Coupling Mode On Redundancy guaranteed C Redundant Ring Metwork Coupling Ring Coupling C Off I Configuration failure Extended Redundancy C Network Coupling Set Reload Delete coupling configuration Help Fig 27 Selecting the port and switching on off the function To avoid continuous loops the switch sets the port status of the control and coupling ports to off if you switch off the function or
22. siehe Tab 11 auf Seite 58 Port identification hexadecimal and port numbe Table 14 Port related RSTP settings and displays You now connect the redundant lines You can avoid loops and network failures during the configuration phase by first configuring the switches and only then connecting the redundant lines Redundancy L3E Release 4 0 12 07 79 Rapid Spanning Tree 80 4 3 Configuring the Rapid Spanning Tree Redundancy L3E Release 4 0 12 07 VRRP HIVRRP 5 VRRP HIVRRP The Virtual Router Redundancy Protocol VRRP is a procedure that enables the system to react to the failure of a router VRRP is used in networks with terminal devices that only support one entry for the Default Gateway If the Default Gateway fails then VRRP ensures that the terminal devices find a redundant gateway Note You will find detailed information on VRRP and HIVRRP in the Rou ting Configuration user manual Redundancy L3E Release 4 0 12 07 81 VRRP HIVRRP 5 1 Configuring the VRRP 5 1 Configuring the VRRP With this dialog you can enter both general settings and settings for each port for the VRRP 5 1 1 General settings Function Switch the VRRP function on and off Version Display the VRRP version Send VRRP Master Trap As soon as the Switch takes over the VRRP master function it sends a master trap Send VRRP Authentication Trap As soon as the Switch receives a VRRP message with
23. the switch uses a link aggregation a trunk as a virtual port The Name column allows you to assign a name to this connection The Enabled column allows you to activate or deactivate a set link aggregation connection Select Link Trap if you want the switch to generate an alarm if all the connections of the link aggregation are interrupted Redundancy L3E Release 4 0 12 07 15 16 Link Aggregation 1 1 Configuring the link aggregation In the column STP Mode select dot1d if the link aggregation connection is integrated into a stan dard Spanning Tree fast If the link aggregation connection is integrated into a Rapid Spanning Tree dot1s ifthe link aggregation connection is integrated into a multiple Rapid Spanning Tree VLAN dependent off if no Spanning Tree is active Type displays whether this link aggregation connection was esta blished manually allow static link aggregation Is selec ted or dynamically by using LACP allow static link aggregation Is not selected Comment If there are multiple connections between switches that support LACP and if Allow static link aggregation Is nev ertheless selected dynamic Is still displayed because in this case the switches automatically switch to dynamic Select on the ports participating in the link aggregation the index of the link aggregation connection which the port is to be a part of see Fig 4 Redundancy L3E Release 4 0 12 07 Link A
24. their control packages via the contol line The Switch to which you connect the main line and the switch to which you connect the redundant line are partners concerning the coupling Connect the two partners via their ring ports Redundancy L3E 48 Release 4 0 12 07 Redundant coupling 3 2 Configuring the Redundant Coupling Select the dialog Redundancy Ring Network Coupling Select the two switch main coupling with control line see Fig 26 Control port Fig 26 Coupling ___ gt gt a STAND BY Partner coupling port Two switch coupling with control line The following settings apply to the switch displayed in blue in the selec ted graphic Select the coupling port see Fig 27 see Table 10 on page 50 With Coupling port you specify at which port you are connecting the network segments If the STANDBY DIP switch is OFF connect the main line to the coupling port Select the control port see Fig 27 see Table 10 on page 50 With Control port you specify at which port you are connecting the control line Switch Coupling port Contol port RS2 Port 1 Stand by port can only be combi ned with the RS2 RS2 16M Adjustable for all ports Adjustable for all ports state on delivery Port 1 state on delivery Port 2 RS20 RS30 Adjustable for all ports Adjustable for all ports RS40 state on delivery Port 1 4 state on delivery Port 1 3 MICE
25. 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 suggestions help us to further improve the quality of our documentation Your assessment of this manual excellent good atisfactory mediocre poor Accuracy O O O O O Readability O O O O O Comprehensibility O O O O O Examples O O O O O Structure Layout O O O O O Completeness O O O O O Graphics O O O O O Drawings O O O O O Tables O O O O O Did you discover an error in the manual If so on what page Redundancy L3E 96 Release 4 0 12 07 Appendix Reader s comments Suggestions for improvement and additional information company r Deparment seaciccueaecesaetaontanaccosianck geet A Name Telephone NUMDET sriid a eat ada E SEn E S be alent hie einen aay ZO OCA OG E EAE Daley Signatures aiiken adaa aidaa an Dear User Please fill out and return this page by fax to the number 49 0 7127 14 1798 or by mail to Hirschmann Automation and Control GmbH Department AMM Stuttgarter Str 45 51 72654 Neckartenzlingen Germany Redundancy L3E Release 4 0 12 07 97 Appendix Reader s comments Redundancy L3E 98 Release 4 0 12 07 Index B Index A Alternate Port ARP Ring Autonegotiation B Backup Port Bridge Identifier Configuration error Control port Coupling Mode Coupling port coupling port D Designated Port Disabled Port E Edge
26. with which you can choose between the software configuration and the DIP configura tion If the software configuration is set the other DIP switches have no effect Software switch In the Redundancy Ring Network Coupling dialog Table 6 Choice of main coupling or redundant coupling Select the dialog Redundancy Ring Network Coupling 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 11 Redundancy L3E 32 Release 4 0 12 07 Redundant coupling 3 2 Configuring the Redundant Coupling h HIRSCHMANN RingiNetwork Coupling A Belden Company Select Port Module Port Coupling port a ls ort mode jstand by Bp Partner coupling port PE Control port b bo Operation Information Redundancy Mode Coupling Mode C On Redundancy guaranteed C Redundant RingMetwork Coupling Ring Coupling Off I Configuration failure Extended Redundancy C Network Coupling Set Reload Help Delete coupling configuration Fig 11 Selecting the configuration Note The dialog shows dependent on the STANDBY DIP switch posi tion the not possible configuration options grey backed If you want to select one of this grey backed configurations you put the STANDBY DIP switch on the Switch into the appropriate position Note One switch coupling The redundancy function is assig
27. 0 00 80 63 51 82 80 fi Set Reload Help You now connect the redundant lines Redundancy L3E Release 4 0 12 07 13 Rapid Spanning Tree 74 4 3 Configuring the Rapid Spanning Tree Define the desired switch as the root switch by assigning it the lowest priority in the bridge information among all the switches in the net work in the Protocol Configuration Information frame Note that only multiples of 4096 can be entered for this value see Table 13 on page 77 In the Root Information frame the dialog shows this device as the root A root switch has no root port and no root costs h HIRSCHMANN A Belden Company RSTP Global Operation on off Root Information Priority MAC Address 00 80 63 Of 1d b0 This device is root Root ld 20480 Root Port f 4 Root Cost 220000 Protocol Configuration Information Priority 2768 MAC Address 00 80 63 51 82 80 Hello Time s 2 2 Topology Changes fo Forward Delay s bo hs Time since last change 0 day s 2 14 54 Max Age s fE bo Set Reload Help Redundancy L3E Release 4 0 12 07 Rapid Spanning Tree 4 3 Configuring the Rapid Spanning Tree As required you change the default priority value of 32768 in other switches in the network in the same way to the value you want multiple of 4096 For each of these switches check the displa
28. 07 Rapid Spanning Tree 4 Rapid Spanning Tree Note The Spanning Tree protocol and the Rapid Spanning Tree protocol are protocols for MAC bridges They are described in the standards IEEE 802 1D 2004 and IEEE 802 1w For this reason the following description of these protocols usually employs the term bridge instead of switch Local area networks are becoming ever larger This is true both for their geo graphic size as well as for the number of stations they include As the net works become larger there are reasons why it often makes sense to imple ment several bridges reduce network load in subnetworks create redundant connections and overcome distance Using many bridges with multiple redundant connections between the sub networks can lead to loops and thus to the complete failure of the network The Rapid Spanning Tree Algorithm was developed to prevent this The Rapid Spanning Tree Protocol RSTP enables redundancy by interrupting loops RSTP is a further development of the Spanning Tree Protocol STP and is compatible with it If a connection or a bridge fails the STP requires up to 30 seconds to reconfigure This was no longer acceptable in time sensitive ap plications The STP was therefore developed into the RSTP leading to re configuration times of less than a second Note The standard demands that all bridges of a network have to work with the Rapid Spanning Tree Algorithm If however both protocols are use
29. 2 07 4 1 The Spanning Tree Protocol Priority of the bridge identifikation BID BID without MAC Address Root path Interrupted path 65 Rapid Spanning Tree 4 1 The Spanning Tree Protocol 4 1 6 Example manipulation of a tree structure The management administrator of the network soon discovers that this con figuration with bridge 1 as its root bridge see Example determination of root paths on page 62 is unfavorable The control packets that bridge 1 sends to the other bridges are concentrated on the paths between bridge 1 and bridge 2 and between bridge 1 and bridge 3 lf the management administrator raises bridge 2 to the root bridge the load caused by the control packets will be more evenly distributed among the sub networks This would result in the configuration shown see Fig 38 The paths between the individual bridges and the root bridge have become shor ter Port 3 P BID 28672 P BID 16384 Bridge 2 P BID 40960 P BID 20480 P BID 24576 P BID 32768 Port 2 fae Bridge 7 Bridge 4 Bridge 3 Bridge 1 Port 1 P BID 36864 Bridge 6 Bridge 5 P BID Priority of the bridge identifikation BID BID without MAC Address Root path Interrupted path Fig 38 Example of a tree structure manipulation Redundancy L3E 66 Release 4 0 12 07 Rapid Spanning Tree 4 2 The Rapid Spanning Tree Protocol 4 2 The Rapid Spanning Tree Proto
30. MANN Ring Network Coupling A Belden Company Select Configuration BC DC DC DC PC Pid l I d i Dra Pa Dc x rab zca sl STAND BY STAND BY E Lo 10 10 E STAND BY STAND BY E C STAND BY Select Port Module Port Coupling port a fa Port mode jactive Port state Jactive Partner coupling port Port mode jstand by Port state not connectec IP Address Control port lo fo Port state not connectec Operation Informeation Redundancy Mode Coupling Mode On Redundancy guaranteed C Redundant RingMetwork Coupling Ring Coupling C Off I Configuration failure Extended Redundancy Network Coupling Set Reload Delete coupling configuration Help Fig 20 Selecting the port and switching on off the function To avoid continuous loops the switch sets the port status of the coupling port to off if you switch off the function or change the configuration while the connections at these ports are operating Redundancy L3E Release 4 0 12 07 43 Redundant coupling 3 2 Configuring the Redundant Coupling Note The following settings are required for the coupling ports for this select the dialog Basics Port Configuration Port on Autonegotiation on when using a twisted pair connection Manual configuration 100 Mbit s FDX when using a fiber connection Note If there are VLANs configured then consider the VLAN configura tion of the coupling and partn
31. ailed line Configuration error The function is incomplete or incorrectly configured h HIRSCHMANN Ring Network Coupling A Belden Company Select Configuration 2q k a ES 5 PC z PC ze pcr a Dc TEx x air a n C aoa STAND BY STAND BY STAND EY Ea STAND BY STAND BY Select Port Module Port Coupling port h fa Port mode jstand by Port state Jactive Partner coupling port Port mode factive Control por 0 0 Operation Information Redundancy Mode Coupling Mode C On Redundancy guaranteed C Redundant RingMetwork Coupling Ring Coupling Off I Configuration failure Extended Redundancy C Network Coupling Set Reload Delete coupling configuration Help Fig 14 Selecting the port and switching on off the function Note The following settings are required for the coupling ports for this select the dialog Basics Port Configuration Port on Autonegotiation on when using a twisted pair connection Manual configuration 100 Mbit s FDX when using a fiber connection Redundancy L3E Release 4 0 12 07 37 Redundant coupling 3 2 Configuring the Redundant Coupling Note If there are VLANs configured then consider the VLAN configura tion of the coupling and partner coupling ports In the Ring Network Coupling configuration select for the coupling and partner coupling ports VLAN ID 1 and Ingress Filtering disabled in the port table and VLAN
32. ancy L3E 56 Release 4 0 12 07 Rapid Spanning Tree 4 1 The Spanning Tree Protocol 4 1 2 The bridge parameters Each bridge is uniquely described by the following parameters Bridge Identifier Root path costs of the bridge ports Port Identifier Bridge Identifier The bridge identifier is 8 bytes long The two highest value bytes are the priority number The default setting for the priority number is 32 768 but the Management Administrator can change this when configuring the network The six lowest value bytes of the bridge identification are the MAC address of the bridge The MAC address guarantees that every bridge has a different bridge identification The bridge with the numerically lowest value bridge identifier has the highest priority MSB LSB OO T C T T T D T aa Priority MAC Address Fig 32 Bridge identifier Root path costs Each path connecting two bridges has transmission costs assigned to it The management administrator sets this value and specifies it for each path when configuring a bridge see Table 11 on page 58 It assigns the higher path costs to paths with lower transmission speeds Alternatively the Management Administrator can define the path costs Like the switch it assigns the higher path costs to paths with lower trans mission speeds Because he essentially has a free hand in specifying this value he has a tool for ensuring that in case of redundant paths one path will be fa
33. col RSTP does not change the STP tree structure calculation RSTP only alters parameters adds new parameters and mechanisms that accelerate the re configuration in the event of an error The ports play a major role within this context 4 2 1 Port roles RSTP assigns one of the following roles to each bridge port see Fig 39 Root Port This is the port at which a bridge receives data packets with the lowest path costs from the root bridge lf there are several ports with the same low path costs the bridge identi fication determines which port is the root port lf there is also more ports with the same low path costs and the same brid ge identification the port identification determines which port is the root port see Fig 35 The root bridge does not have a root port itself Designated Port The bridge in a network segment that has the lowest root bridge costs is the Designated Bridge If a number of bridges have the same root bridge costs then the bridge with the smallest value for the bridge identification becomes the designated bridge The port on this bridge that connects it to a network segment that leads trom the root bridge is the designated port Redundancy L3E Release 4 0 12 07 6 68 Rapid Spanning Tree 4 2 The Rapid Spanning Tree Protocol Edge Port Each network segment in which there is no further RSTP bridge is con nected to exactly one designated port This designated port then functions as an edge
34. d simultaneously there are no advantages to using the faster reconfiguration with RSTP Redundancy L3E Release 4 0 12 07 55 Rapid Spanning Tree 4 1 The Spanning Tree Protocol 4 1 The Spanning Tree Protocol Because RSTP is a further development of the STP all the following descrip tions of the STP also apply to the RSTP 4 1 1 The Tasks of the STP The Spanning Tree Algorithm reduces network topologies that are set up using bridges and that have ring structures with redundant connections to a tree structure In doing this STP divides up the ring structures on the basis of specified rules by deactivating redundant paths If a path is interrupted by mistake the STP activates the path just deactivated This enables redundant connections for increased data safety In forming the tree structure the STP determines what is known as a root bridge This forms the basis of the STP tree structure Features of the STP algorithm it reconfigures automatically the tree structure in case of a bridge failure or break in a data path It stabilizes the tree structure up to the maximum network size up to 39 hops depending on the setting for Max Age It stabilizes within a short Known time It produces a reproducible topology that can be pre defined by manage ment It is transparent to the terminal equipment by creating a tree structure it results in a low network load compared to the available transmission capacity Redund
35. dany mode see Fig 22 Redundant Ring Network Coupling or Extended Redundancy Redundancy L3E 52 Release 4 0 12 07 Redundant coupling 3 2 Configuring the Redundant Coupling h HIRSCHMANN Ring Network Coupling A Belden Company Select Configuration PC pcl pcl pcl BC i 1 al sii x ra Dc x rab Sa S y E STANDBY STAND BY STAND BY EI Cal STAND BY STAND BY Select Port Module Port Coupling port a fa Port mode jactive Port state Jactive Partner coupling port Port mode jstand by Port state not connected IP Address Control port lo A lo Port state not connected Operation Information Redundancy Mode Coupling Mode On Redundancy guaranteed C Redundant RingMetwork Coupling Ring Coupling C Off I Configuration failure Extended Redundancy C Network Coupling Set Reload Delete coupling configuration Help Fig 29 Selecting the redundany mode With the Redundant Ring Network Coupling setting either the main line or the redundant line is active Both lines are never active simulta neously With the Extended Redundancy setting the main line and the redun dant line are simultaneously active if the connection line between the switches in the connected network fails see Fig 23 During the recon figuration period there may be frame duplications Therfore only select this setting if your application detects frame duplications
36. en is the one that provides the lowest path costs bet ween each individual bridge and the root bridge lf there are multiple paths with the same root path costs the priorities of the bridge identifications for the bridges connected to this path de termine which bridge is blocked If there are two paths leading away from a single bridge with the same root path costs the port identification is used as the last criterion for determining which path is used see Fig 34 It decides which port is selected Redundancy L3E 60 Release 4 0 12 07 Rapid Spanning Tree 4 1 The Spanning Tree Protocol Determine root path Equal Path with lowest path costs path costs root path Equal Path with highest _ Priority in priority in bridge bridge identification identification root path Equal Path with highest port priority port priority root path Path with lowest port number root path Root path determined Fig 35 Flow chart for determining root path Redundancy L3E Release 4 0 12 07 61 Rapid Spanning Tree 4 1 The Spanning Tree Protocol 4 1 4 Example determination of root paths Using the network diagram see Fig 36 it is possible to follow the logic in the flow chart see Fig 35 for determining the root path The Administrator defined a different priority in the bridge identification for each bridge The bridge with the numerically smallest bridge identification in this case bridge 1
37. er coupling ports In the Ring Network Coupling configuration select for the coupling and partner coupling ports VLAN ID 1 and Ingress Filtering disabled in the port table and VLAN affiliation U in the static VLAN table Note Using the redundancy manager and redundant two switch cou pling functions at the same time runs the risk of a loop Select the two switch redundant coupling see Fig 21 Partner Coupling coupling port port Fig 21 Two switch coupling The following settings apply to the switch displayed in blue in the selected graphic Select the coupling port see Fig 20 see Table 9 on page 42 With Coupling port you specify at which port you are connecting the network segments If the STANDBY DIP switch is ON connect the redundant line to the coupling port Proceed in the same way as with Two switch main coupling Seite 42 Redundancy L3E 44 Release 4 0 12 07 Redundant coupling 3 2 Configuring the Redundant Coupling Redundancy mode Select in the frame Redundany mode see Fig 22 Redundant Ring Network Coupling or Extended Redundancy h HIRSCHMANN Ring Network Coupling A Belden Company cm STAND EY res STAND BY E STAND BY STAND BY E Select Configuration Select Port Module Port Coupling port a fa Port mode jactive Partner coupling port Port mode jstand by Port state not connected IP Address
38. es to have an event logbook configure the System Location and System Name configure the network address range and SNMP parameters save the configuration on the Switch simultaneous configuration of several Switches configure the relevant ports to be displayed red if there is no link state Redundancy L3E Release 4 0 12 07 5 About this Manual You will find detailed descriptions of how to operate the individual functions in the Web based Interface and Command Line Interface reference manuals Redundancy L3E 6 Release 4 0 12 07 Key Key The designations used in this manual have the following meanings List Work step Subheading Indicates a cross reference with a stored link Note A note emphasizes an important fact or draws your attention to a dependency Courier font ASCII representation in user interface 5 Execution in the Web based Interface user interface Execution in the Command Line Interface user interface Symbols used Router Switch Bridge Redundancy L3E Release 4 0 12 07 Key Bp Es Hub A random computer Configuration computer Server Redundancy L3E Release 4 0 12 07 Introduction Introduction The Switch contains a wide variety of redundancy functions Link Aggregation HIPER Ring Redundant coupling of HIPER Rings and network segments Rapid Spanning Tree Algorithm There are three tools for operating these functions Web based Manageme
39. first on switch S3 and then on S2 If you disconnect switch S3 from the network by using an incorrect configuration sequence you can access it again by selecting Allow static link aggregation in the Re dundancy Link Aggregation dialog in switch S2 Fig 2 Example Defining the first switch _ During the configuration phase you only connect one connection line between the switches This is to avoid loops On the first switch to be configured you select the dialog Redundancy Link Aggregation see Fig 3 Redundancy L3E 14 Release 4 0 12 07 Link Aggregation 1 1 Configuring the link aggregation h HIRSCHMANN Link Aggregation A Belden Company allow static link Aggregation Port TP M Index Priority STP Mode Type 3 1 s dynamic 0 dott 0 dotis dynamic 14 l 12 gt 13 v 14f 24 fea gt 22 v 23 e2 7 34 l 32 33 v 3 4 44 BE 42 v a3 v sa gt 51 s2 v sa v saf v 6 1 z s2 x e3 saf v B rl SS z Set Reloac Create entry Delete Help Fig 3 Setting the link aggregation Select Allow static link aggregation if the partner switch does not support the Link Aggregation Control Protocol LACP e g MACH 3000 switches that support LACP prevent loops when they are coupled via multiple connection lines Click Create entry to set up a new link aggregation connection The Index column shows you the name under which
40. forms the redundant switch The main line is re activated and the redundant line Is re blocked An error is detected and eliminated within 500 ms 150 ms typically The type of coupling primarily depends on the topological conditions and the desired level of safety see Table 4 on page 30 One switch coupling Two switch coupling Use The two switches are The two switches are in impractical topologi in practical topological cal positions Putting positions the lines down Putting down a control between them would line would involve a lot involve alot of work for of work two switch coupling Disadvantage If the switch config Much work involved in ured for the redundant connecting the two coupling fails no con switches to the net nection remains work compared with between the networks one switch coupling Advantage Less work involved in If one of the switches connecting the two configured for the switches to the net redundant coupling work compared with fails there is still a two switch coupling connection between the networks Two switch coupling with control line The two switches are in practical topological positions Putting down a control line would not involve much work Much work involved in connecting the two switches to the net work compared with one switch and two switch coupling If one of the switches configured for the redundant coupling fails there Is stilla connection between t
41. ggregation 1 1 Configuring the link aggregation h HIRSCHMANN A Belden Company Link Aggregation allow static link Aggregation Port 51 s dynamic sne gt 0 dott 0 dotis dynamic snew gt 1a 12 13 24 fea gt 22 23 e2 2 4 e aaf x 32 33 z 3 44 zl 4 2 z 43 z 4 4 z 51 5 2 z 53 z 5 4 6 1 BEZ 6 2 z 6 3 z 6 4 z eel coed Se endl xl Set Reload Create entry Delete Help Fig 4 Selecting ports Set all the ports participating in the link aggregation to the same speed and full duplex settings For this you select the Basics Port Configuration Now you configure the partner switch in the same way Now you connect the other connection line s between the switches Note To increase the safety of particularly critical connections the red undancy functions HIPER Ring and link aggregation can be combined Note For redundancy safety reasons a combination of network ring coupling and link aggregation is not possible at the same port Redundancy L3E Release 4 0 12 07 17 Link Aggregation 1 2 HIPER Ring and Link Aggregation 1 2 HIPER Ring and Link Aggregation To increase the safety of particularly critical connections the redundancy functions HIPER Ring see Redundant ring structure HIPER Ring on page 19 and link aggregation can be combined 2x TP FDX gt x SS eee eee ee Main line
42. he networks Table 4 Selection criteria for the variants of the redundant coupling 30 Redundancy L3E Release 4 0 12 07 Redundant coupling 3 2 Configuring the Redundant Coupling 3 2 Configuring the Redundant Coupling 3 2 1 STAND BY Switch The Switches have a STAND BY switch for selecting between the main cou pling and the redundant coupling Depending on the Switch this switch is a DIP switch or a software switch Redundancy Ring Network Coupling dialog or you can use a switch to select one of the two options Switch STAND BY switch RS2 DIP switch RS2 16M DIP switch RS20 RS30 RS40 DIP switch MICE PowerMICE Can be switched between DIP switch and software switch MS 20 MS 30 Can be switched between DIP switch and software switch RSR20 RSR30 Software switch MACH 1000 Software switch MACH 3000 MACH 4000 Software switch Table 5 STAND BY switches of the Switches Redundancy L3E Release 4 0 12 07 31 Redundant coupling 3 2 Configuring the Redundant Coupling Depending on the Switch used you choose between the main coupling and the redundant coupling see Table 6 on page 32 Switch with Choice of main coupling or redundant coupling DIP switch STAND BY on DIP switch DIP switch software According to the option selected switch option Stand by on the DIP switch or in the Redundancy Ring Network Coupling dialog by selecting in Select configuration Note These devices have a DIP switch
43. he ring structure of a HIPER Ring Version 1 or Version 2 of up to 50 Switches typically trans forms back to a line structure within 150 ms maximum 500 ms HIPER Ring Version 3 of up to 5 Switches typically transforms back to a line structure within 5 ms maximum 10 ms If a larger number of switches is being used the reconfiguration time increases Redundancy L3E Release 4 0 12 07 19 Redundant ring structure HIPER Ring 2 1 The HIPER Ring Line Redundancy Manager On Redundant Ring Main line Redundant line Fig 6 Line and redundant ring Redundancy L3E 20 Release 4 0 12 07 Redundant ring structure HIPER Ring 2 1 The HIPER Ring 2 1 1 Configuring the HIPER Ring Version 1 Set up the network to meet your requirements Note Before you connect the redundant line you must complete the configuration of the HIPER Ring Version 1 You thus avoid loops during the configuration phase Select the Redundancy HIPER Ring dialog Select Version 1 Note As an alternative to using software to configure the HIPER Ring Version 1 you can also enter a number of settings for the HIPER Ring Version 1 with a DIP switch You can use this DIP switch to enter a set ting for the switches MS 20 MS 30 and PowerMICE whether the con figuration via DIP switch or the configuration via software has priority The state on delivery is Software Configuration For each switch you enter the desired ring
44. hen enter the index of the desired link aggregation entry for the module and port Redundancy L3E Release 4 0 12 07 23 Redundant ring structure HIPER Ring 2 1 The HIPER Ring Note When you switch from a normal port to a ring port with the DIP switch the device makes the required settings for the ring ports in the configuration table The port which has been switched from a ring port to a normal port keeps the ring port settings These settings remain changeable for all ports 2 1 2 Configuring the HIPER Ring Version 2 MRP Draft Set up the network to meet your requirements Note Before you connect the redundant line you must complete the configuration of the HIPER Ring You thus avoid loops during the configuration phase Select the Redundancy HIPER Ring dialog L Select Version 2 MRP Draft For each switch you enter the desired ring ports 1 and 2 The following settings are required for the ring ports for this you select the Basics Port Configuration dialog Bit rate 100 Mbit s 1000 Mbit s Duplex full Autonegotiation Off On automatic configuration Port On On Table 3 Port settings for ring ports Note When you use 100 Mbit s and full duplex with twisted pair cables the autocrossing function is deactivated You therefore use crossover cables Redundancy L3E 24 Release 4 0 12 07 Redundant ring structure HIPER Ring 2 1 The HIPER Ring Display in Operation field
45. ig 16 Extended Redundancy Coupling mode Coupling mode refers to the type of coupled network Select in the frame Coupling mode see Fig 17 Ring coupling or network coupling Redundancy L3E Release 4 0 12 07 39 Redundant coupling 3 2 Configuring the Redundant Coupling h HIRSCHMANN Ring Network Coupling A Belden Company Select Configuration he STANDBY res STAND BY STAND BY E rea STAND BY STAND BY E Select Port Module Port Coupling port hi fa Port mode fstand by Port state factive Partner coupling port Port mode factive Port state Jnot connected fb Control port lo fo Port state not connected Operation information Redundancy Mode rCoupling Mode C On Redundancy guaranteed C Redundant RingMetwork Coupling Ring Coupling Extended Redundancy Network Coupling I Configuration failure off Set Reload Delete coupling configuration Help Fig 17 Selecting the coupling mode Select Ring coupling if you wish to couple a HIPER Ring Select network coupling if you wish to couple a line type configuration Delete coupling configuration The Delete coupling configuration button in the dialog allows you to restore all the default coupling settings of the device state on delivery Redundancy L3E 40 Release 4 0 12 07 Redundant coupling 3 2 Configuring the Redundant
46. ilt into the Switch allows the redundant coupling of HIPER Rings and network segments Two rings network segments are connected over two separate paths with one of the following switches RS2 16M RS20 RS30 RS40 MICE Rel 3 0 or higher or PowerMICE MS20 MS30 RSR20 RSR30 MACH 1000 MACH 3000 ab Rel 3 3 MACH 4000 The redundant coupling is effected by the one switch coupling of two ports of one switch in the first ring network segment to one port each of two switches in the second ring network segment see Fig 12 Immediately after the main line fails the switch opens the redundant line When the main line is OK again the main line is opened again and the re dundant line is re blocked An error is detected and eliminated within 500 ms typically 150 ms The redundant coupling is effected by the two switch coupling of one port each from two switches in the first ring network segment to one port each of two switches in the second ring network segment see Fig 18 The switch in the redundant line and the switch in the main line inform each other about their operating states by using control frames via the Ethernet or the control line Redundancy L3E Release 4 0 12 07 29 Redundant coupling 3 1 The Variants of Redundant Coupling Immediately after the main line fails the redundant switch switches to the redundant line As soon as the main line is restored to normal operation the switch in the main line in
47. incorrect authentication it sends a VRRP authentication error trap Redundancy L3E 82 Release 4 0 12 07 VRRP HIVRRP 5 1 Configuring the VRRP h HIRSCHMANN VRRP Configuration A Belden Company d Poo P s _Module Port vRID Function Priority Curent Priority VRRP IP address Advertisment Interval s Preempt mode O a a Ad Ei f ooy eopooozss Ad M o l aA A a 1oopooa254 d S d A Sa Recos _ osete Fig 40 Dialog Configuration Redundancy L3E Release 4 0 12 07 83 VRRP HIVRRP Parameter Module Port VRID Function Priority Current Priority VRRP IP address Advertisement Interval Preempt Mode Authentication Key State Master IP Address 5 1 Configuring the VRRP 5 1 2 Settings per port Meaning Module of the Switch Port to which this entry applies Virtual router ID Switch the VRRP function at this port on and off VRRP priority set value 1 255 default 100 The router with the highest value is the master If the virtual router IP address is the same as the IP address of the router interface then this router is the owner If an owner exists then VRRP assigns the owner the VRRP priority 255 and thus declares it the master VRRP priority actually used value 1 255 This value is usually the same as the VRRP priority set but it can be smaller if monitored tracking objects have the down status Primary virtual router IP address Interval for sending o
48. ing the VRRP router interface 5 1 5 Deleting the VRRP router interface Statistics Tracking Appendix Hirschmann Competence FAQ Reader s comments Index 93 94 95 96 99 Redundancy L3E Release 4 0 12 07 About this Manual About this Manual The Redundancy Configuration user manual contains all the information you need to select a suitable redundancy procedure and configure it The Installation user manual contains a device description safety instruc tions a description of the display and all the other information that you need to install the device before you begin with the configuration of the device The Basic Configuration user manual contains all the information you need to start operating the switch It takes you step by step from the first startup operation through to the basic settings for operation in your environment The Industrial Protocols user manual describes how the Switch is connec ted by means of a communication protocol commonly used in the industry such as EtherNet IP or PROFINET The Routing Configuration user manual contains all the information you need to start operating the routing function It takes you step by step from a small router application through to the router configuration of a complex net work The manual enables you to configure your router by following the examples lf you use Network Management Software HiVision you have further oppor tuniti
49. is effected by one Switch Select the dialog Redundancy Ring Network Coupling Select the one switch main coupling see Fig 13 Partner Coupling coupling port port O STAND BY Fig 13 One switch coupling The following settings apply to the switch displayed in blue in the selected graphic Select the partner coupling port see Fig 14 see Table 7 on page 36 With partner coupling port you specify at which port you are con necting the main line Redundancy L3E Release 4 0 12 07 35 Redundant coupling 3 2 Configuring the Redundant Coupling Switch Partner coupling port RS2 Not possible RS2 16M Adjustable for all ports state on delivery Port 2 RS20 RS30 RS40_ Adjustable for all ports state on delivery Port 1 3 MICE Adjustable for all ports state on delivery Port 1 3 PowerMICE Adjustable for all ports state on delivery Port 1 3 MS 20 Adjustable for all ports state on delivery Port 1 3 MS 30 Adjustable for all ports state on delivery Port 2 3 RSR20 RSR30 Adjustable for all ports state on delivery Port 1 3 MACH 1000 Adjustable for all ports state on delivery Port 1 3 MACH 3000 Adjustable for all ports MACH 4000 Adjustable for all ports state on delivery Port 1 3 Table 7 Port assignment one switch coupling Note Configure the partner coupling port and the HIPER Ring ports on different ports Select the coupling port see Fig 14 see Table 8 on page
50. lse Edge Port device true oran RSTP bridge false shall be connected to this port During reconfiguration the Edge Port at a terminal device can switch to for warding within 3 seconds See also Port roles auf Seite 67 Oper Shows whether an RSTP true false Edge Port switch is connected at this port Independently of the value set under Soll Edge Port the switch detects a connected RSTP switch Then it sets Edge Port false See also Port roles on page 67 Redundancy L3E 18 Release 4 0 12 07 Rapid Spanning Tree 4 3 Configuring the Rapid Spanning Tree Variable Meaning Possible values State on delivery Oper Shows whether at this port true false auto PointToPoint the connection between calculated thus two RSTP switches is a FDX true half duplex connection HDX false true or not false The point to point connec tion makes a direct con nection between 2 RSTP switches The direct decentral communication between the two switches results in a fast reconfigu ration time Display of the bridge identi fication of the designated root switch for this port Display of the costs of the path from this port to the root switch Display of the port identifi cation of the port that cre ates the connection to the root switch for this port on the designated switch Designated Root Designated Costs Designated Port Bridge identification hexadecimal Costs
51. n the longterm product excellence alone is not an absolute guarantee of a successful project implementation Comprehensive service makes a difference worldwide In the current scenario of global competition the Hirschmann Competence Center stands head and shoulders above the competition with its comprehensive spectrum of innovative services Consulting incorporates comprehensive technical advice from system evaluation through network planning to project planning Training offers you an introduction to the technological fundamentals pro duct briefing and user training with certification Support ranges from commissioning through the standby service to maintenance concepts With the Hirschmann Competence Center you firmly rule out any compromise the client specific package leaves you free to choose the service components that you will use Internet http www hicomcenter comm Redundancy L3E 94 Release 4 0 12 07 Appendix FAQ FAQ Answers to frequently asked questions can be found at the Hirschmann Website www hirschmann ac com Under Products Support inside Automation and Control GmbH Is located on the pages Products the area FAQ For detailed information on all services offered by the Hirschmann Competence Center please visit the Web site http www hicomcenter com Redundancy L3E Release 4 0 12 07 95 Appendix Reader s comments Reader s comments What is your opinion of this manual We are always striving
52. ned to the switch via the Stand by setting in the DIP switch or via the Manage ment Note Two switch coupling The redundancy function is assigned to the switch in the redundant line via the Stand by setting in the DIP switch or via the Management Note Some devices have a DIP switch with which you can choose between the software configuration and the DIP configuration If the software configuration is set the other DIP switches have no effect Note The choice of configuration primarily depends on the topological conditions and the desired level of safety see Table 4 on page 30 Redundancy L3E Release 4 0 12 07 33 Redundant coupling 3 2 Configuring the Redundant Coupling Note For redundancy security reasons a combination of Rapid Spanning Tree and ring network coupling is not possible 3 2 2 One switch coupling Redundancy Manager On 4 Main line 7 Redundant line 4 4 4 Partner coupling port Fi Coupling port pai x O STAND BY E Redundancy Manager On Fig 12 Example one switch coupling Redundancy L3E 34 Release 4 0 12 07 Redundant coupling 3 2 Configuring the Redundant Coupling The coupling between two networks Is effected by the main line thick blue line which is connected to the partner coupling port If the main line fails the redundant line thick blue dashed line which is connected to the coupling port takes over coupling the two networks The coupling
53. nnected IP Address fo 0 0 0 Control port lo fo Port state Jnot connected Redundancy Mode Coupling Mode Operation Information C Redundant RingNetwork Coupling Ring Coupling Extended Redundancy C Network Coupling On Redundancy guaranteed C Off I Configuration failure Set Reload Delete coupling configuration Help Fig 24 Selecting the coupling mode Redundancy L3E 46 Release 4 0 12 07 Redundant coupling 3 2 Configuring the Redundant Coupling Select Ring Coupling if you wish to couple a HIPER Ring Select Network Coupling if you wish to couple a line type confi guration Delete coupling configuration The Delete coupling configuration button in the dialog allows you to restore all the default coupling settings of the device state on delivery Redundancy L3E Release 4 0 12 07 47 Redundant coupling 3 2 Configuring the Redundant Coupling 3 2 4 Two switch coupling with control line 2edundancy Manager On Main line Redundant line Control line a BHRHEEBEEEEBEEEEEH NE DE O O STAND BY _ STAND BY Fig 25 Example two switch coupling with control line The coupling between two networks is effected by the main line thick blue line If the main line fails the redundant line thick blue dashed line takes over coupling the two networks The coupling is effected by two switches The switches send
54. nt supplied with the switch for easy configuration of the agent see Web based Interface reference manual Command Line Interface Supplied with the Switch for setting basic functions see Command Line Interface manual HiVision Network Management for easy configuration of all agents see HiVision Hirschmann Network Management manual Redundancy L3E Release 4 0 12 07 9 Introduction Redundancy L3E 10 Release 4 0 12 07 Comparison of the Redundancy Procedures Comparison of the Redundancy Procedures RSTP HiPER Ring HiPER Ring Redundant Link Version 1 2 Version 3 Coupling Aggregation Switch over lt 30S lt 0 558 lt 10 ms typically 0 15 s time lt 1 s typically Practically With 5 STP lt 30s independent Switches in Heavily of the number the ring dependent on of switches With more the number of than 5 switches Switches the switching time increases Network Random Ring Ring Coupling of Coupling of topology structure network network segment rings segments via via a main line multiple active and a lines with redundant line dynamic load distribution Table 1 Features of the Redundancy Procedures Redundancy L3E Release 4 0 12 07 11 Comparison of the Redundancy Proce Redundancy L3E 12 Release 4 0 12 07 Link Aggregation 1 Link Aggregation There is link aggregation when there are at least two link cables between two switches and when these link cables are combined to one logical link The
55. ot switch For the configuration you should note Tabelle 13 auf Seite 77 h HIRSCHMANN 2 RSTP Global A Belden Company Operation on off Root Information Priority I MAC Address Root Id Root Cost 1220000 Protocol Configuration Information Priority 32768 MAC Address Hello Time s 2 2 Forward Delay s fzo lis Max Age s fe 20 Set Reload Help The time entries in the Global dialog are in units of 1 s Example Max Age 20 amounts to 20 seconds State on Variable Meaning Possible values delivery Priority The priority andthe MAC 0O lt n 4096 lt 61440 32 768 address go together to make up the bridge identifi cation Redundancy L3E 76 Release 4 0 12 07 Rapid Spanning Tree 4 3 Configuring the Rapid Spanning Tree Variable Meaning Possible values Selivony Hello Time The switch sends configu 1 10 2 ration messages Configu ration Bridge Protocol Data Units CBPDU if it is the root switch Hello Time is the time in seconds bet ween the sending of two configuration messages Configuration Bridge Pro tocol Data Units CBPDU This is the current value being used by the switch Forward Delay The condition diagram of 4 30 30 the Spanning Tree Protocol has four possible conditi ons disabled blocking learning forwardingl A certain amount of time pas ses when switching from one condition to another This is the current value being used by the bridge
56. ports 1 and 2 The following settings are required for the ring ports for this you select the Basics Port Configuration dialog Bit rate 100 Mbit s 1000 Mbit s Duplex full Autonegotiation off on Automatic Configuration Port on on Table 2 Port settings for ring ports Note When you use 100 Mbit s and full duplex with twisted pair cables the autocrossing function is deactivated You therefore use crossover cables Display in Operation field Active this port is switched on and has a link Inactive this port is switched off or has no link At exactly one switch you switch the Redundancy Manager on at the ends of the line Redundancy L3E Release 4 0 12 07 21 Redundant ring structure HIPER Ring 2 1 The HIPER Ring h HIRSCHMANN OQ HIPER Ring A Belden Company Version Version 2 MRP Draft Ring Port 1 Ring Port 2 Module Port Operation Redundancy Manager Status Active redundant line Inactive Redundancy Manager Mode On Off Information Help Fig 7 Selecting the HIPER Ring version entering the Rng Ports and switching on off the Redundancy Manager Note Deactivate the spanning tree protocol on the ports connected to the redundant ring since spanning tree and ring redundancy operate at different reaction times Note If you have activated the HIPER Ring function via the DIP switches RSTP will be switched off automaticall
57. r the ring ports VLAN ID 1 and VLAN membership U in the static VLAN table VLAN ID gt 0 if the MRP Ring configuration is to be assigned to this VLAN select this VLAN ID in the MRP Ring configuration for all devices in this MRP Ring Note the VLAN configuration of the ring ports Then you select for all ring ports in this MRP Ring this VLAN ID and VLAN membership U in the static VLAN table Activate the function in the Operation frame Now you connect the line to the ring To do this you connect the two switches to the ends of the line using their ring ports The displays in the Information frame mean Redundancy working One of the lines affected by the function can fail as the redundant line will then take over the function of the failed line Configuration error The function is incomplete or incorrectly con figured Redundancy L3E 26 Release 4 0 12 07 Redundant ring structure HIPER Ring 2 1 The HIPER Ring h HIRSCHMANN HIPER Ring A Belden Company Fig 10 Entering Configuration Redundancy Manager selecting Operation and Information and entering VLAN ID Redundancy L3E Release 4 0 12 07 27 Redundant ring structure HIPER Ring 28 2 1 The HIPER Ring Redundancy L3E Release 4 0 12 07 Redundant coupling 3 1 The Variants of Redundant Coupling 3 Redundant coupling 3 1 The Variants of Redundant Coupling The control intelligence bu
58. r this virtual router Table 16 VRAP statistics for all ports Parameter Module Port VRID Become Master Advertise receives Advertise Interval errors Authentication failures IP TTL errors Priority Zero packets receive Priority Zero packets sent Invalid Type packets receive Address list errors Invalid Authentication type Authentication type mismatch Packet length errors Meaning Module of the Switch Port of the module of the Switch Virtual router ID Number of times the Switch has become the master Number of VRRP messages received Number of VRRP messages received by the Switch outside the mes sage interval Number of VRRP messages received with authentication errors Number of VRRP messages received with an IP TTL not equal to 255 Number of VRRP messages via a VRRP participant with priority 0 Number of VRRP messages that the Switch sent with priority O Number of VRRP messages received with an invalid type Number of VRRP messages received for which the address list does not match the address list configured locally for the virtual router Number of VRRP messages received with an invalid authentication type Number of VRRP messages received with an incorrect authentication type Number of VRRP messages received with an incorrect packet length Table 17 VRRP port statistics table 88 Redundancy L3E Release 4 0 12 07 VRRP HIVRRP 5 2 Statistics h HIRSCHMANN amp VRRP Statistic
59. rough which the message was sent Port identification of the port through which the message was received Based on this information the bridges involved in the RSTP are capable of calculating port roles by themselves and defining the port status of their own ports 4 2 4 Fast reconfiguration Why can RSTP react faster than STP to an interruption of the root path Introduction of edge ports When reconfiguring RSTP switches to forwarding mode after after the ex piration of three seconds see Table 13 on page 77 RSTP waits then for Hello Time to be sure that no BPDU sending bridge is connected lf the user is sure that an DTE is connected to this port and still remains he can switch off RSTP on this port Thus there will be no latency at this port in the case of reconfiguration Introduction of alternate ports since the port roles are already distributed in regular operation a bridge can switch over immediately from the root port to the alternative port after having lost the connection to the root bridge Communicating with neighboring bridges point to point connections The decentralized direct communication between neighboring bridges permits immediate reaction to changes in state of the Spanning Tree ar chitecture Filter table When STP is used the age of the entries in the table determines what is to be updated The RSTP deletes the entries of the ports immediately and specifically that are affected by reconfiguration
60. s A Belden Company Fig 41 Dialog Statistics Redundancy L3E Release 4 0 12 07 89 VRRP HIVRRP 5 3 Tracking 5 3 Tracking The VRRP Tracking window displays the status of all the tracking objects assigned to VRRP objects Parameter Port VRID Trackld Track Decrement Status Active Meaning Port to which this entry applies in the form lt Slot gt lt Port gt Virtual router ID of the assigned virtual router ID number of the tracking object Value by which the current VRRP priority of the assigned VRRP priority is reduced when the tracking object gets the status down Current status of the tracking object up or down Entry is displayed as active if the tracking object is completely set up and is activated If the entry is active you can find more information about it in the Reference Manual Web based Interface Chapter Routing Tracking If the entry is not active its status is always up Table 18 VRAP tracking table 90 Redundancy L3E Release 4 0 12 07 VRRP HIVRRP 9 3 Tracking fh HIRSCHMANN Y Tracking A Belden Company _Port vrip Trackld Track Decrement Status Active A i Sa Reet dette Fig 42 Dialog Tracking Redundancy L3E Release 4 0 12 07 91 VRRP HIVRRP 9 3 Tracking Redundancy L3E 92 Release 4 0 12 07 Appendix A Appendix Redundancy L3E Release 4 0 12 07 93 Appendix Hirschmann Competence Hirschmann Competence I
61. se contract Printed in Germany 28 11 07 Hirschmann Automation and Control GmbH Stuttgarter Stra e 45 51 72654 Neckartenzlingen Tel 49 1805 141538 01 0907 Contents Contents 3 1 3 2 About this Manual Key Introduction Comparison of the Redundancy Procedures Link Aggregation Configuring the link aggregation HIPER Ring and Link Aggregation Redundant ring structure HIPER Ring The HIPER Ring 2 1 1 Configuring the HIPER Ring Version 1 2 1 2 Configuring the HIPER Ring Version 2 MRP Draft Redundant coupling The Variants of Redundant Coupling Configuring the Redundant Coupling 3 2 1 STAND BY Switch 3 2 2 One switch coupling 3 2 3 Two switch coupling 3 2 4 Two switch coupling with control line Rapid Spanning Tree The Spanning Tree Protocol 4 1 1 The Tasks of the STP 4 1 2 The bridge parameters 4 1 3 Rules for creating the tree structure 4 1 4 Example determination of root paths 4 1 5 Example manipulation of root paths 4 1 6 Example manipulation of a tree structure Redundancy L3E Release 4 0 12 07 13 14 18 19 19 2 24 Contents 4 2 4 3 9 2 9 3 The Rapid Spanning Tree Protocol 4 2 1 Port roles 4 2 2 Port states 4 2 3 Spanning Tree Priority Vector 4 2 4 Fast reconfiguration Configuring the Rapid Spanning Tree VRRP HiIVRRP Configuring the VRRP 5 1 1 General settings 5 1 2 Settings per port 5 1 3 Setting up the VRRP router interface 5 1 4 Configur
62. table for all ports state on delivery Port 1 4 MICE Adjustable for all ports state on delivery Port 1 4 PowerMICE Adjustable for all ports state on delivery Port 1 4 MS 20 Adjustable for all ports state on delivery Port 1 4 MS 30 Adjustable for all ports state on delivery Port 2 4 RSR20 RSR30 Adjustable for all ports state on delivery Port 1 4 MACH 1000 Adjustable for all ports state on delivery Port 1 4 s MACH 3000 Adjustable for all ports MACH 4000 Adjustable for all ports state on delivery Port 1 4 Table 9 Port assignment two switch coupling Note Configure the coupling port and the HIPER Ring ports on different ports Redundancy L3E 42 Release 4 0 12 07 Redundant coupling 3 2 Configuring the Redundant Coupling Switch on the function In the frame Operation see Fig 20 You now connect the redundant line The displays in the Select port frame mean see Fig 20 Port mode The port is either active or in stand by mode Port status The port is either connected or not connected IP address The IP address of the partner if it is already operating in the network The displays in the Information frame mean see Fig 20 Redundancy working One of the lines affected can fail as then a redundant line will take over the function of the failed line Configuration error The function is incomplete or incorrectly configured h HIRSCH
63. terfaces to differ from the virtual router IP address Note You activate the preempt mode so that after the decremetation of the VRRP priority of the master via the tracking function the backup router can take over the master role Click on Next if you want to enter additional IP addresses in the As sociated IP Addresses Multinetting window Then click on Finish to transfer the VRRP router interface into the VRRP router interface table Redundancy L3E 86 Release 4 0 12 07 VRRP HIVRRP 5 1 Configuring the VRRP 5 1 4 Configuring the VRRP router interface Double click in the Redundancy VRRP Configurationon dialog a cell in the table and edit the entry or right click on a cell and select a value As an alternative to editing directly in the table you can mark a row in the table and use the Wizard to edit it 5 1 5 Deleting the VRRP router interface Select inthe Redundancy VRRP Configurationon dialog a row and click on Delete You thus delete the row Redundancy L3E Release 4 0 12 07 8 VRRP HIVRRP 5 2 Statistics 5 2 Statistics The VRRP statistics window displays the numbers on counters that count events relevant to VRRP Parameter Checksum errors Version errors VRID errors Meaning Number of VRRP messages received with the wrong check sum Number of VRRP messages received with an unknown or unsup ported version number Number of VRRP messages received with an invalid VRID fo
64. ut messages advertisements as the master value for VRRP 1 255 s value for HiVRRP 100 255000 ms default setting 1 s This setting specifies whether this Switch as a backup router will take over the master role from a master router with a lower VRRP priority If the preempt mode is switched off this Switch only takes on the master role if the IP Multicast message from the existing master does not appear Type of authentication used noAuthentication VRRP information is exchanged without authentication simple TextPassword VRRP information is exchanged with plain text password authentication ijpAuthenticationHeader VRRP uses the IP authentication header to authenticate VRRP information Password for authentication In order to communicate the Switches with the same virtual router IP addresses must have the same authentication setting VRRP status initialize VRRP is in the initialization phase No master has been named yet backup The Switch sees the possibility of becoming master master The Switch is master Actual router interface IP address of the master Table 15 VRAP configuration table Redundancy L3E Release 4 0 12 07 VRRP HIVRRP 5 1 Configuring the VRRP 5 1 3 Setting up the VRRP router interface Inthe Redundancy VRRP Configuration dialog click on Wizard at the bottom right In the table in the Wizard dialog select
65. vored over the others Redundancy L3E Release 4 0 12 07 57 Rapid Spanning Tree 4 1 The Spanning Tree Protocol The root path costs are calculated by adding up the individual path costs for the paths that a data packet must traverse between the port of a bridge and the root PC 200000 Bridge 2 Fig 33 Path costs Data rate Recommended value lt 100 KBit s 200 000 000 1 MBit s 20 000 000 10 MBit s 2 000 000 100 MBit s 200 000 1 GBit s 20 000 10 GBit s 2 000 100 GBit s 200 1 TBit s 20 10 TBit s 2 PC 2000000 PC Path costs Ethernet 100 Mbit s Ethernet 10 Mbit s Recommended range 20 000 000 200 000 000 2 000 000 200 000 000 200 000 20 000 000 20 000 2 000 000 2 000 200 000 Possible range 1 200 000 000 1 200 000 000 1 200 000 000 1 200 000 000 1 200 000 000 200 20 000 1 200 000 000 20 2 000 1 200 000 000 2 200 1 200 000 000 1 20 1 200 000 000 Table 11 Recommended path costs of RSTP according to the data rate Bridges conformant to IEEE Std 802 1D 1998 Edition i e that support only 16 bit values for path cost should use 65 535 as the path cost for these link soeeds when used in conjunction with bridges that support 32 bit path cost values Note If link aggregation see Link Aggregation on page 13 is used to com bine the connection lines between switches into a trunk then the path costs are reduced in accordance with the number of connections that are combi
66. y Now you connect the line to the ring To do this you connect the two switches to the ends of the line using their ring ports The displays in the Status of the redundancy manger frame mean Active redundant line The ring is open which means that a data cable or a network component within the ring is down Inactive The ring is closed which means that the data lines and network components are working Redundancy L3E 22 Release 4 0 12 07 Redundant ring structure HIPER Ring 2 1 The HIPER Ring The displays in the Information frame mean Redundancy working One of the lines affected by the function can fail as then the redundant line will take over the function of the failed line Configuration error The function is incomplete or incorrectly configured h HIRSCHMANN QHIPER Ring A Belden Company Version Version Version 2 MRP Draft Ring Port 1 Ring Port 2 Redundancy Manager Status Active redundant line Inactive Redundancy Manager Mode On Off Information Help Fig 8 Selecting the Redundancy Manager status and Information Note If there are VLANs configured then consider the VLAN configura tion of the ring ports In the HIPER Ring configuration select for the ring ports VLAN ID 1 and VLAN affiliation U in the static VLAN table Note If you wish to use link aggregation together with HIPER Ring t
67. y in the Root Information frame Root ID Displays the bridge identification of the root bridge Root port Displays the port that leads to the root switch Root costs Displays the root costs to the root switch in the Protocol Configuration Information frame Priority Displays the priority in the bridge identification for this switch MAC address Displays the MAC address of this switch Topology changes Displays the number of changes since the start of RSTP Time since last change Displays the time that has elapsed since the last reconfiguration of the network h HIRSCHMANN A Belden Company RSTP Global Root Information Priority MAC Address Root ld 20480 100 80 63 Of 1d b0 Root Cost 220000 Protocol Configuration Information Priority 2768 HeloTimeis 2 R Forward Delay s boo hs Max Age s bo Bo MAC Address Topology Changes Time since last change 0 day s 2 14 5 Set Reload Help Redundancy L3E Release 4 0 12 07 15 Rapid Spanning Tree 4 3 Configuring the Rapid Spanning Tree As desired you can change the values to be set for Hello Time Forward Delay and Max Age in the root switch The root switch then transfers this data to the otherswitches The dialog displays the data received from the root switch in the left column In the right column you enter the values which shall apply when this switch becomes a ro

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