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Allied Telesis AT-8948 manual The master node transmits and receives Health messages, Debugging

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

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10.The master node transmits and receives Health messages

Debugging

10.The master node transmits and receives Health messages

The master node continues transmitting and receiving Health messages for as long as the ring stays in a state of Complete.

Manager x900-48-A>

epsrHelloTimeout: EPSR test Hello Timer expired

EPSR Port1 Tx: 00e02b00 00040000 cd280619 8100e3e8 005caaaa 0300e02b 00bb0100 00541e71 00000000 0000cd28 0619990b 00400105 03e80000 00000000 cd280619 00010002 01000177

EPSR Port1 Tx:

-----------------------------------------------------------------------

TYPE	= HEALTH		STATE	= COMPLETE
CTRL VLAN	= 1000		SYSTEM	=	00-00-cd-28-06-19
HELLO TIME	=	1	FAIL TIME	=	2
HELLO SEQ	=	375

-----------------------------------------------------------------------

EPSR Port2 Rx: 00e02b00 00040000 cd280619 8100e3e8 005caaaa 0300e02b
00bb0100	00541e71	00000000	0000cd28	0619990b	00400105	03e80000	00000000
cd280619	00010002	01000177

EPSR Port2 Rx:

-----------------------------------------------------------------------

TYPE	= HEALTH		STATE	= COMPLETE
CTRL VLAN	= 1000		SYSTEM	=	00-00-cd-28-06-19
HELLO TIME	=	1	FAIL TIME	=	2
HELLO SEQ	=	375

-----------------------------------------------------------------------

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Page 52 AlliedWare™ OS How To Note: EPSR

Image 52

Allied Telesis AT-8948, X900-48FE-N, AT-9924T/4SP-A-20 The master node transmits and receives Health messages, Debugging

Contents

Detecting a Fault on page Recovering from a Fault on page How To Configure EPSR on page Example 1 A Basic Ring on pageIntroduction What information will you find in this document?Ports and Recovery Times on page IGMP Snooping and Recovery Times on pageEPSR State and Settings on page SNMP Traps on page Counters on page Which products and software versions does it apply to?How EPSR Works EPSR ComponentsEstablishing a Ring Page 4 AlliedWare OS How To Note EPSRRecovering from a Fault Fault in a link or a transit nodeMaster Node States Transit Node StatesFault in the master node Restoring Normal Operation Master NodeTransit Nodes with One Port Down Transit Nodes with Both Ports DownHow To Configure EPSR Configuring EPSR1. Connect your switches into a ring 2. On each switch, configure EPSRiii. Remove the ring ports from the default VLAN iv. Configure the EPSR domainv. Enable EPSR 3. Configure other ports and protocols as requiredModifying the Control VLAN Page 10 AlliedWare OS How To Note EPSRConfigure the Master Node A Example 1 A Basic Ring1. Create the control VLAN 2. Add the ring ports to the control VLANConfigure the Transit Nodes B and C 5. Remove the ring ports from the default VLAN8. Enable EPSR 6. Create the EPSR domain8. Enable EPSR Page 13 AlliedWare OS How To Note EPSR6. Create the EPSR domain 7. Add the data VLAN to the domain1. Configure the master node switch A for domain Example 2 A Double RingDomain diagram2. Configure the transit node switch B that belongs just to domain 3. Configure the master node switch C for domain4. Configure the transit node switch D that belongs just to domain Page 15 AlliedWare OS How To Note EPSR5. Configure the transit node switch E that belongs to both domains Page 16 AlliedWare OS How To Note EPSR1. Configure the master node switch A for the EPSR domain Example 3 EPSR and RSTPRSTP DomainSwitches C and D have the same configuration in this example Configure the STP VLANRemove the STP VLAN’s ports from the default VLAN Configure STP4. Configure switch E for EPSR and RSTP Page 19 AlliedWare OS How To Note EPSRExample 4 EPSR with Nested VLANs EPSR Domain1. Configure the master node switch A for the EPSR domain Page 21 AlliedWare OS How To Note EPSR3. Configure client switch E connected to the master node 4. Configure client switch F connected to transit node B5. Configure client switch G connected to transit node C 6. Configure client switch H connected to transit node DExample 5 EPSR with management stacking Example 5 EPSR with management stacking1. Configure stacking on the master node for the EPSR domain host1 2. Configure stacking on the first transit node host23. Configure stacking on the second transit node host3 Page 24 AlliedWare OS How To Note EPSR4. Configure the other VLANs on the stacked switches 5. Configure EPSR on the stacked switchesConfigure the AT-TN7100 iMAP as Master Node Example 6 EPSR with an iMAPChecking the Master Node Configuration Page 27 AlliedWare OS How To Note EPSRshow epsr show epsr=testConfigure the AT-TN7100 iMAP as a Transit Node Checking the Transit Node ConfigurationPage 28 AlliedWare OS How To Note EPSR Example 6 EPSR with an iMAPClassifiers and Hardware Filters Classifiers and Hardware FiltersPorts and Recovery Times Health Message Priority IGMP Snooping and Recovery Timesset igmpsnooping vlan=vlan-name1..4094all querysolicit=onyestrue Master Node in a Complete Ring EPSR State and SettingsTransit Node in a Complete Ring EPSR State and Settings Page 33 AlliedWare OS How To Note EPSRSNMP Traps Master node in aComplete ring CountersTransit Node in a ring that had failures Debugging Link Down Between Master Node and Transit NodeMaster Node Node A Debug Output 1. The master node sends Health messages2. The master node continues sending Health messages 3. The primary port goes downPage 37 AlliedWare OS How To Note EPSR Debugging5. The master node transmits a Ring-Down-Flush-FDB message 4. The master node receives a Link-Down message on its secondary portPage 38 AlliedWare OS How To Note EPSR 6. The Hello timer expires 8. The Hello timer expires again7. The primary port comes back up Page 39 AlliedWare OS How To Note EPSR9. The master node receives the Health message on its secondary port 10. The master node returns the ring to a state of Complete11. The master node receives the Ring-Up-Flush-FDB message on port Page 40 AlliedWare OS How To Note EPSRPage 41 AlliedWare OS How To Note EPSR 12. The master node transmits and receives Health messagesDebugging Transit Node Node B Debug Output 1. The transit node receives Health messages3. The transit node receives a Ring-Down-Flush-FDB message 2. Port 1 on the transit node goes downPage 43 AlliedWare OS How To Note EPSR 5. Transit node receives a Health message 4. Port 1 comes back upPage 44 AlliedWare OS How To Note EPSR 6. Transit node receives a Ring-Up-Flush-FDB message Page 45 AlliedWare OS How To Note EPSR7. The transit node receives Health messages Page 46 AlliedWare OS How To Note EPSRLink Down Between Two Transit Nodes on the master node, and then on transit node BMaster Node Node A Debug Output 1. The master node sends Health messages2. The link between the two transit nodes goes down 3. The master node receives a Link-Down message on its secondary portPage 48 AlliedWare OS How To Note EPSR Debugging4. The master node transmits a Ring-Down-Flush-FDB message 5. The master node receives a second Link-Down messagePage 49 AlliedWare OS How To Note EPSR Debugging7. The master node receives a Health message 6. The master node continues sending Health messagesPage 50 AlliedWare OS How To Note EPSR 8. The master node returns the ring to a state of Complete 9. The master node receives the Ring-Up-Flush-FDB message on portPage 51 AlliedWare OS How To Note EPSR DebuggingPage 52 AlliedWare OS How To Note EPSR 10. The master node transmits and receives Health messagesDebugging Page 53 AlliedWare OS How To Note EPSR Transit Node Node B Debug Output1. The transit node receives Health messages 2. The link between the two transit nodes goes downPage 54 AlliedWare OS How To Note EPSR 4. The transit node sends a Link-Down message3. The transit node receives a Ring-Down-Flush-FDB message 5. The transit node receives Health messages 6. The link comes back up7. The transit node receives another Health message Page 55 AlliedWare OS How To Note EPSR8. The transit node receives a Ring-Up-Flush-FDB message 9. The transit node receives Health messages