Allied Telesis AT-9924SP-30 manual Iii. Remove the ring ports from the default Vlan, Enable Epsr

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How To Configure EPSR

iii. Remove the ring ports from the default VLAN

If you leave all the ring ports in the default VLAN (vlan1), they will create a loop, unless vlan1 is part of the EPSR domain. To avoid loops, you need to do one of the following:

make vlan1 a data VLAN, or

remove the ring ports from vlan1, or

remove at least one of the ring ports from vlan1 on at least one of the switches. We do not recommend this option, because the action you have taken is less obvious when maintaining the network later.

In this How To Note, we remove the ring ports from the default VLAN. Use the command:

delete vlan=1 port=ring-ports

iv. Configure the EPSR domain

This step creates the domain, specifying whether the switch is the master node or a transit node. It also specifies which VLAN is the control VLAN, and on the master node which port is the primary port.

Enter one of the following commands:

On the master node:

create epsr=name mode=master controlvlan=control-vlan-nameprimaryport=port-number

On each transit node:

create epsr=name mode=transit controlvlan=control-vlan-name

This step also adds the data VLAN to the domain. Enter the command:

add epsr=name datavlan=data-vlan-name

v. Enable EPSR

This step enables the domain on each switch. Enter the command:

enable epsr=name

3.Configure other ports and protocols as required

On each switch, configure the other ports and protocols that are required for your network.

Page 9 AlliedWare™ OS How To Note: EPSR

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Contents What information will you find in this document? IntroductionWhich products and software versions does it apply to? Epsr Components How Epsr WorksEstablishing a Ring Fault in a link or a transit node Recovering from a FaultFault in the master node Master Node Restoring Normal OperationTransit Nodes with One Port Down Transit Nodes with Both Ports DownConfiguring Epsr How To Configure EpsrIv. Configure the Epsr domain Iii. Remove the ring ports from the default VlanEnable Epsr Configure other ports and protocols as requiredModifying the Control Vlan Example 1 a Basic Ring Configure the Master Node aRemove the ring ports from the default Vlan Configure the Transit Nodes B and CCreate the Epsr domain Add the data Vlan to the domainCreate epsr=test mode=transit controlvlan=vlan1000 Example 2 a Double Ring Configure the master node switch a for domainConfigure Epsr Configure the master node switch C for domainConfigure the data Vlan for domain Example 3 Epsr and Rstp Configure the master node switch a for the Epsr domainRemove the STP VLAN’s ports from the default Vlan Configure switch E for Epsr and Rstp Epsr Domain Example 4 Epsr with Nested VLANsConfigure the Epsr control Vlan Configure client switch F connected to transit node B Configure client switch E connected to the master nodeConfigure client switch G connected to transit node C Configure client switch H connected to transit node DExample 5 Epsr with management stacking Configure stacking on the second transit node host3 Configure stacking on the first transit node host2Configure Epsr on the stacked switches Configure the other VLANs on the stacked switchesExample 6 Epsr with an iMAP Configure the AT-TN7100 iMAP as Master NodeFollowing diagram shows the expected output Checking the Master Node ConfigurationChecking the Transit Node Configuration Configure the AT-TN7100 iMAP as a Transit NodeLINKS-UP Classifiers and Hardware FiltersPorts and Recovery Times Health Message Priority Igmp Snooping and Recovery TimesEpsr State and Settings Epsr Information Name Domain1 Snmp Traps Counters Link Down Between Master Node and Transit Node DebuggingMaster Node Node a Debug Output Master node sends Health messagesPrimary port goes down Master node continues sending Health messagesMaster node transmits a Ring-Down-Flush-FDB message Hello timer expires Hello timer expires againPrimary port comes back up Master node receives the Ring-Up-Flush-FDB message on port Master node returns the ring to a state of CompleteMaster node transmits and receives Health messages Transit node receives Health messages Transit Node Node B Debug OutputTransit node receives a Ring-Down-Flush-FDB message Port 1 on the transit node goes downTransit node receives a Health message Port 1 comes back upTransit node receives a Ring-Up-Flush-FDB message 252 Link Down Between Two Transit Nodes Link between the two transit nodes goes down Master node receives a second Link-Down message Master node receives a Health message 51 AlliedWare OS How To Note Epsr 375 53 AlliedWare OS How To Note Epsr Transit node sends a Link-Down message Transit node receives another Health message Link comes back upTransit node receives a Ring-Up-Flush-FDB message

AT-9924SP-30, AT-9924T-40, AT-8948, AT-9924T/4SP-A-20, X900-48FE-N specifications

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