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Configure EIPS Intersecting Rings in Hierarchical Mode

Network Requirements

  • Six devices in the LAN form two-level intersecting rings. Configure the EIPS hierarchical mode to block the secondary port gigabitethernet0/2 on Master and the edge port gigabitethernet0/3 on Transit 1 to achieve the ring protection.
  • When the link between Transit1 and Transit2 is disconnected, unblock the STP blocked status for gigabitethernet0/2 on Master of the main ring to achieve data switchover and ensure the communications in Ring1 not affected.
  • When the link between sTransit1 and sTransit2 is disconnected, unblock the STP blocked status for gigabitethernet0/3 on Transit1 to achieve data switchover and ensure the communications in Ring2 not affected.

Network Topology

Networking of configuring the EIPS intersecting ring in the hierarchical mode

Figure 3-6 Networking of configuring the EIPS intersecting ring in the hierarchical mode

Configuration Steps

Step 1: Configure VLAN and port link type.

#Create VLAN2 and VLAN3 on Master. Configure the link type of ports gigabitethernet0/1 and gigabitethernet0/2 as Trunk, permitting the services of VLAN2 and VLAN3 to pass. Configure the PVID as 1.

Master#configure terminal
Master(config)#vlan 2-3
Master(config)#interface gigabitethernet 0/1-0/2
Master(config-if-range)#switchport mode trunk
Master(config-if-range)#switchport trunk allowed vlan add 2-3
Master(config-if-range)#switchport trunk pvid vlan 1

#Map VLAN2 and VLAN3 on Master to the STP instance 0. Disable the STP on ports gigabitethernet0/1 and gigabitethernet0/2.

Master(config-if-range)#no spanning-tree enable
Master(config-if-range)#exit

#Create VLAN2 and VLAN3 on Transit1, and map VLAN2 and VLAN3 to the STP instance 0. Configure the link type of ports gigabitethernet0/1-gigabitethernet0/3 as Trunk, permitting the services of VLAN2 and VLAN3 to pass. Configure the PVID as 1. Disable the STP on ports gigabitethernet0/1-gigabitethernet0/3. (Omitted)

#Create VLAN2 and VLAN3 on Transit2, and map VLAN2 and VLAN3 to the STP instance 0. Configure the link type of ports gigabitethernet0/1-gigabitethernet0/3 as Trunk, permitting the services of VLAN2 and VLAN3 to pass. Configure the PVID as 1. Disable the STP on ports gigabitethernet0/1-gigabitethernet0/3. (Omitted)

#Create VLAN2 and VLAN3 on Transit3, and map VLAN2 and VLAN3 to the STP instance 0. Configure the link type of ports gigabitethernet0/1 and gigabitethernet0/2 as Trunk, permitting the services of VLAN2 and VLAN3 to pass. Configure the PVID as 1. Disable the STP on ports gigabitethernet0/1 and gigabitethernet0/2. (Omitted)

#Create VLAN2 and VLAN3 on sTransit1, and map VLAN2 and VLAN3 to the STP instance 0. Configure the link type of ports gigabitethernet0/1 and gigabitethernet0/2 as Trunk, permitting the services of VLAN2 and VLAN3 to pass. Configure the PVID as 1. Disable the STP on ports gigabitethernet0/1 and gigabitethernet0/2. (Omitted)

#Create VLAN2 and VLAN3 on sTransit2, and map VLAN2 and VLAN3 to the STP instance 0. Configure the link type of gigabitethernet0/1 and gigabitethernet0/2 as Trunk, permitting the services of VLAN2 and VLAN3 to pass. Configure the PVID as 1. Disable the STP on ports gigabitethernet0/1 and gigabitethernet0/2. (Omitted)

note


  • VLAN2 is the control VLAN, which is only used to transfer the EIPS protocol packets. VLAN3 is the data VLAN, which is used to transfer services.
  • To enable the EIPS function, the control VLAN and data VLAN of the EIPS must be mapped to the corresponding STP instance and the STP function on the port must be disabled.

     

Step 2: Configure Ring1.

#Create the master node Ring1 in the hierarchical mode on Master. Configure the level number of the EIPS ring as 0, segment number as 0, instance as 0, control VLAN as VLAN2, primary port as gigabitethernet0/1, and secondary port as gigabitethernet0/2. Enable the EIPS.

Master(config)#eips ring 1 master segment
Master(config-eips)#control vlan 2
Master(config-eips)#level 0
Master(config-eips)#segment 0
Master(config-eips)#instance 0
Master(config-eips)#primary interface gigabitethernet 0/1
Master(config-eips)#secondary interface gigabitethernet 0/2
Master(config-eips)#eips start
Master(config-eips)#exit

#Create transmission node Ring1 in the hierarchical mode on Transit1. Configure the level number of the EIPS ring as 0, segment number as 0, instance as 0, control VLAN as VLAN2, primary port as gigabitethernet0/1, and secondary port as gigabitethernet0/2. Enable the EIPS. (Omitted).

# Create transmission node Ring1 in the hierarchical mode on Transit2. Configure the level number of the EIPS ring as 0, segment number as 0, instance as 0, control VLAN as VLAN2, primary port as gigabitethernet0/1, and secondary port as gigabitethernet0/2. Enable the EIPS. (Omitted).

# Create transmission node Ring1 in the hierarchical mode on Transit3. Configure the level number of the EIPS ring as 0, segment number as 0, instance as 0, control VLAN as VLAN2, primary port as gigabitethernet0/1, and secondary port as gigabitethernet0/2. Enable the EIPS. (Omitted).

Step 3: Configure Ring2.

#Create edge node Ring2 in the hierarchical mode on Transit1. Configure the level number of the EIPS ring as 1, segment number as 1, instance as 0, control VLAN as VLAN2, edge port as gigabitethernet0/3, and Ring1 as its associated transmission node. Enable the EIPS.

Transit1(config)#eips ring 2 edge segment
Transit1(config-eips)#control vlan 2
Transit1(config-eips)#level 1
Transit1(config-eips)#segment 1
Transit1(config-eips)#instance 0
Transit1(config-eips)#transit ring 1
Transit1(config-eips)#edge interface gigabitethernet0/3
Transit1(config-eips)#eips start
Transit1(config-eips)#exit

#Create the edge node Ring2 in the hierarchical mode on Transit2. Configure the level number of the EIPS ring as 1, segment number as 1, instance as 0, control VLAN as VLAN2, edge port as gigabitethernet0/3, and Ring1 as its associated transmission node. Enable the EIPS.  

Transit2(config)#eips ring 2 assistant segment
Transit2(config-eips)#control vlan 2
Transit2(config-eips)#level 1
Transit2(config-eips)#segment 1
Transit2(config-eips)#instance 0
Transit2(config-eips)#transit ring 1
Transit2(config-eips)#edge interface gigabitethernet0/3
Transit2(config-eips)#eips start
Transit2(config-eips)#exit

#Create the transmission node Ring2 in the hierarchical mode on sTransit1. Configure the level number of the EIPS ring as 1, segment number as 1, instance as 0, control VLAN as VLAN2, primary port as gigabitethernet0/1, and secondary port as gigabitethernet0/2. Enable the EIPS.

sTransit1(config)#eips ring 2 transit segment
sTransit1(config-eips)#control vlan 2
sTransit1(config-eips)#level 1
sTransit1(config-eips)#segment 1
sTransit1(config-eips)#instance 0
sTransit1(config-eips)#primary interface gigabitethernet 0/1
sTransit1(config-eips)#secondary interface gigabitethernet 0/2
sTransit1(config-eips)#eips start
sTransit1(config-eips)#exit

# Create the transmission node Ring2 in the hierarchical mode on sTransit2. Configure the level number of the EIPS ring as 1, segment number as 1, instance as 0, control VLAN as VLAN2, primary port as gigabitethernet0/1, and secondary port as gigabitethernet0/2. Enable the EIPS.

sTransit2(config)#eips ring 2 transit segment
sTransit2(config-eips)#control vlan 2
sTransit2(config-eips)#level 1
sTransit2(config-eips)#segment 1
sTransit2(config-eips)#instance 0
sTransit2(config-eips)#primary interface gigabitethernet 0/1
sTransit2(config-eips)#secondary interface gigabitethernet 0/2
sTransit2(config-eips)#eips start
sTransit2(config-eips)#exit

Step 4: Check the result.

# Run the show eips topology-summary command on the edge node and assistant node. We can view that the EIPS status of the main ring and sub rings is round and the topology information is consistent.

Transit1#show eips topology-summary 
 ring ID     : 1 
 topo status : round 
 seq host-name   mac             type     interface1  link   interface2  link  isBorder   
 ----------------------------------------------------------------------------------------
  1  Transit2	 0001.7a22.2224  transit  gi0/1       UP     gi0/2       UP     YES        
  2  Transit3    0000.0000.008b  transit  gi0/1       UP     gi0/2       UP     NO         
  3  Master      0014.0000.1202  master   gi0/2       UP     gi0/1       UP     NO         
  4  Transit1	 0001.7a54.5d71  transit  gi0/1       UP     gi0/2       UP     YES        
 
 ring ID     : 2 
 topo status : round 
 seq host-name   mac             type      interface1  link   interface2  link   isBorder   
 ----------------------------------------------------------------------------------------
 1   Transit2    0001.7a22.2224  assistant ------------------gi0/3        UP     NO         
 2   sTransit2   2012.1209.1728  transit    gi0/2      UP     gi0/1       UP     NO         
 3   sTransit1   0000.0010.0017  transit    gi0/2      UP     gi0/1       UP     NO         
 4   Transit1    0001.7a54.5d71  edge       gi0/3      UP----------------------- NO         
 
 
Transit2#show eips topology-summary 
 ring ID     : 1 
 topo status : round 
 seq host-name   mac             type       interface1  link   interface2  link   isBorder   
 ----------------------------------------------------------------------------------------
 1   Transit3    0000.0000.008b  transit    gi0/1       UP     gi0/2       UP     NO         
 2   Master      0014.0000.1202  master     gi0/2       UP     gi0/1       UP     NO         
 3   Transit1	 0001.7a54.5d71  transit    gi0/1       UP     gi0/2       UP     YES        
 4   Transit2	 0001.7a22.2224  transit    gi0/1       UP     gi0/2       UP     YES        
 
 ring ID     : 2 
 topo status : round 
 seq host-name   mac             type       interface1  link   interface2  link   isBorder   
 -----------------------------------------------------------------------------------------
 1   Transit1    0001.7a54.5d71  edge--------------------------gi0/3       UP     NO         
 2   sTransit1   0000.0010.0017  transit    gi0/1       UP     gi0/2       UP     NO         
 3   sTransit2   2012.1209.1728  transit    gi0/1       UP     gi0/2       UP     NO         
 4   Transit2    0001.7a22.2224  assistant  gi0/3       UP------------------------NO               

#Run the show eips topology command on the edge port. We can view that the secondary port gigabitethernet0/2 on Master and edge port gigabitethernet0/3 on Transit1 are blocked and the other ports are unblocked. The EIPS status of the main ring and sub rings is COMPLETE.

Transit1#show eips topology 
 ring ID      : 1 
 topo status  : round 
 topo index 1 : 
        host name      : Transit2 
        eips type      : transit 
        eips status    : COMPLETE 
        border         : YES 
        base MAC	   : 0001.7a22.2224 
        sys oid..........1.3.6.1.4.1.5651.1.0.0 
        interface1     : gi0/1 
          MAC	        : 0001.7a22.2224 
          role          : primary 
          block-status  : unblock 
          link-status   : UP 
        interface2     : gi0/2 
          MAC	        : 0001.7a22.2224 
          role          : second 
          block-status  : unblock 
          link-status   : UP 
 topo index 2 : 
        host name      : Transit3 
        eips type      : transit 
        eips status    : COMPLETE 
        border         : NO 
        base MAC       : 0000.0000.008b 
        sys oid..........1.3.6.1.4.1.5651.1.102.146 
        interface1     : gi0/1 
          MAC           : 0000.0000.008b 
          role          : primary 
          block-status  : unblock 
          link-status   : UP 
        interface2     : gi0/2 
          MAC           : 0000.0000.008b 
          role          : second 
          block-status  : unblock 
          link-status   : UP 
 topo index 3 : 
        host name      : Master 
        eips type      : master 
        eips status    : COMPLETE 
        border         : NO 
        base MAC       : 0014.0000.1202 
        sys oid..........1.3.6.1.4.1.5651.1.102.127 
        interface1     : gi0/2 
          MAC           : 0014.0000.1202 
          role          : second 
          block-status  : block 
          link-status   : UP 
        interface2     : gi0/1 
          MAC           : 0014.0000.1202 
          role          : primary 
          block-status  : unblock 
          link-status   : UP 
 topo index 4 : 
        host name      : Transit1 
        eips type      : transit 
        eips status    : COMPLETE 
        border         : YES 
        base MAC	   : 0001.7a54.5d71 
        sys oid..........1.3.6.1.4.1.5651.1.102.145 
        interface1     : gi0/1 
          MAC           : 0001.7a54.5d71 
          role          : primary 
          block-status  : unblock 
          link-status   : UP 
        interface2     : gi0/2 
          MAC	        : 0001.7a54.5d71 
          role          : second 
          block-status  : unblock 
          link-status   : UP 
              
 ring ID      : 2 
 topo status  : round 
 topo index 1 : 
        host name      : Transit2 
        eips type      : assistant 
        eips status    : COMPLETE 
        border         : NO 
        base MAC	   : 0001.7a22.2224 
        sys oid..........1.3.6.1.4.1.5651.1.0.0 
        interface2     : gi0/3 
          MAC	       : 0001.7a22.2224 
          role         : edge 
          block-status : unblock 
          link-status  : UP 
 topo index 2 : 
        host name      : sTransit2 
        eips type      : transit 
        eips status    : COMPLETE 
        border         : NO 
        base MAC       : 2012.1209.1728 
        sys oid..........1.3.6.1.4.1.5651.1.102.126 
        interface1     : gi0/2 
          MAC           : 2012.1209.1728 
          role          : second 
          block-status  : unblock 
          link-status   : UP 
        interface2     : gi0/1 
          MAC           : 2012.1209.1728 
          role          : primary 
          block-status   : unblock 
          link-status  : UP 
 topo index 3 : 
        host name      : sTransit1 
        eips type      : transit 
        eips status    : COMPLETE 
        border         : NO 
        base MAC       : 0000.0010.0017 
        sys oid..........1.3.6.1.4.1.5651.1.102.140 
        interface1     : gi0/2 
          MAC           : 0000.0010.0017 
          role          : second 
          block-status  : unblock 
          link-status   : UP 
        interface2     : gi0/1 
          MAC           : 0000.0010.0017 
          role          : primary 
          block-status  : unblock 
          link-status   : UP 
 topo index 4 : 
        host name      : Transit1 
        eips type      : edge 
        eips status    : COMPLETE 
        border         : NO 
        base MAC	   : 0001.7a54.5d71 
        sys oid..........1.3.6.1.4.1.5651.1.102.145 
        interface1     : gi0/3 
          MAC	       : 0001.7a54.5d71 
          role         : edge 
          block-status : block 
          link-status  : UP 

#When the link between Transit1 and Transit2 is disconnected, run the show eips topology command again. We can view that the status of Ring1 changes to not round, EIPS status changes to FAULT, gigabitethernet0/2 on Master changes to unblock. Transit1 communicates with Transit2 via Master, which ensures uninterrupted communications between Transit1 and Transit2. The status of Ring2 is still round, EIPS status is still COMPLETE, and gigabitethernet0/3 on Transit1 is still blocked.

Transit1#show eips topology ring 1 
 ring ID      : 1 
 topo status  : not round 
 topo index 1 : 
        host name      : Transit2 
        eips type      : transit 
        eips status    : FAULT 
        border         : YES 
        base MAC	   : 0001.7a22.2224 
        sys oid.......... 1.3.6.1.4.1.5651.1.0.0 
        interface1     : gi0/1 
          MAC	        : 0001.7a22.2224 
          role          : primary 
          block-status  : block 
          link-status   : DOWN 
        interface2     : gi0/2 
          MAC	        : 0001.7a22.2224 
          role          : second 
          block-status  : unblock 
          link-status   : UP 
 topo index 2 : 
        host name      : Transit3 
        eips type      : transit 
        eips status    : FAULT 
        border         : NO 
        base MAC       : 0000.0000.008b 
        sys oid..........1.3.6.1.4.1.5651.1.102.146 
        interface1     : gi0/1 
          MAC           : 0000.0000.008b 
          role          : primary 
          block-status  : unblock 
          link-status   : UP 
        interface2   : gi0/2 
          MAC     : 0000.0000.008b 
          role      : second 
          block-status : unblock 
          link-status  : UP 
 topo index 3 : 
        host name      : Master 
        eips type      : master 
        eips status    : FAULT 
        border         : NO 
        base MAC       : 0014.0000.1202 
        sys oid.......... 1.3.6.1.4.1.5651.1.102.127 
        interface1     : gi0/2 
          MAC           : 0014.0000.1202 
          role          : second 
          block-status  : unblock 
          link-status   : UP 
        interface2     : gi0/1 
          MAC           : 0014.0000.1202 
          role          : primary 
          block-status  : unblock 
          link-status   : UP 
 topo index 4 : 
        host name      : Transit1 
        eips type      : transit 
        eips status    : FAULT 
        border         : YES 
        base MAC       : 0001.7a54.5d71 
        sys oid.......... 1.3.6.1.4.1.5651.1.102.145 
        interface1     : gi0/1 
          MAC           : 0001.7a54.5d71 
          role          : primary 
          block-status  : unblock 
          link-status   : UP 
        interface2     : gi0/2 
          MAC           : 0001.7a54.5d71 
          role          : second 
          block-status  : block 
          link-status   : DOWN 
 
Transit1#show eips topology ring 2 
 ring ID     : 2 
 topo status : round 
 topo index 1 : 
        host name      : Transit2 
        eips type      : assistant 
        eips status    : COMPLETE 
        border         : NO 
        base MAC	   : 0001.7a22.2224 
        sys oid.......... 1.3.6.1.4.1.5651.1.0.0 
        interface2     : gi0/3 
          MAC           : 0001.7a22.2224 
          role          : edge 
          block-status  : unblock 
          link-status   : UP 
 topo index 2 : 
        host name      : sTransit2 
        eips type      : transit 
        eips status    : COMPLETE 
        border         : NO 
        base MAC       : 2012.1209.1728 
        sys oid.......... 1.3.6.1.4.1.5651.1.102.126 
        interface1     : gi0/2 
          MAC           : 2012.1209.1728 
          role          : second 
          block-status  : unblock 
          link-status   : UP 
        interface2     : gi0/1 
          MAC           : 2012.1209.1728 
          role          : primary 
          block-status  : unblock 
          link-status   : UP 
 topo index 3 : 
        host name      : sTransit1 
        eips type      : transit 
        eips status    : COMPLETE 
        border         : NO 
        base MAC       : 0000.0010.0017 
        sys oid.......... 1.3.6.1.4.1.5651.1.102.140 
        interface1     : gi0/2 
          MAC           : 0000.0010.0017 
          role          : second 
          block-status  : unblock 
          link-status   : UP 
        interface2     : gi0/1 
          MAC           : 0000.0010.0017 
          role          : primary 
          block-status  : unblock 
          link-status   : UP 
 topo index 4 : 
        host name      : Transit1 
        eips type      : edge 
        eips status    : COMPLETE 
        border         : NO 
        base MAC	   : 0001.7a54.5d71 
        sys oid.......... 1.3.6.1.4.1.5651.1.102.145 
        interface1     : gi0/3 
          MAC           : 0001.7a54.5d71 
          role          : edge 
          block-status  : block 
          link-status   : UP 

#When only the link between sTransit1 and sTransit2 is disconnected, run the show eips topology command on the edge node and edge assistant node. We can view that the status of Ring2 changes to not round, EIPS status changes to FAULT, gigabitethernet0/3 on Transit1 changes to unblock. sTransit1 communicates with sTransit2 via Transit1, which ensures uninterrupted communications between sTransit1 and sTransit2. The status of Ring1 is still round, EIPS status is still COMPLETE, and gigabitethernet0/2 on Master is still blocked.

Transit1#show eips topology ring 2 
 ring ID      : 2 
 topo status  : not round 
 topo index 1 : 
        host name      : sTransit1 
        eips type      : transit 
        eips status    : FAULT 
        border         : NO 
        base MAC       : 0000.0010.0017 
        sys oid......... 1.3.6.1.4.1.5651.1.102.140 
        interface1     : gi0/2 
          MAC           : 0000.0010.0017 
          role          : second 
          block-status  : block 
          link-status   : DOWN 
        interface2     : gi0/1 
          MAC           : 0000.0010.0017 
          role          : primary 
          block-status  : unblock 
          link-status   : UP 
 topo index 2 : 
        host name      : Transit1 
        eips type      : edge 
        eips status    : FAULT 
        border         : NO 
        base MAC	   : 0001.7a54.5d71 
        sys oid......... 1.3.6.1.4.1.5651.1.102.145 
        interface1     : gi0/3 
          MAC          : 0001.7a54.5d71 
          role         : edge 
          block-status : unblock 
          link-status  : UP

Transit2#show eips topology ring 2   
 ring ID      : 2 
 topo status  : not round 
 topo index 1 : 
        host name      : sTransit2 
        eips type      : transit 
        eips status    : FAULT 
        border         : NO 
        base MAC       : 2012.1209.1728 
        sys oid......... 1.3.6.1.4.1.5651.1.102.126 
        interface1     : gi0/1 
          MAC           : 2012.1209.1728 
          role          : primary 
          block-status  : block 
          link-status   : DOWN 
        interface2     : gi0/2 
          MAC           : 2012.1209.1728 
          role          : second 
          block-status  : unblock 
          link-status   : UP 
 topo index 2 : 
        host name      : Transit2 
        eips type      : assistant 
        eips status    : FAULT 
        border         : NO 
        base MAC       : 0001.7a22.2224 
        sys oid......... 1.3.6.1.4.1.5651.1.0.0 
        interface1     : gi0/3 
          MAC           : 0001.7a22.2224 
          role          : edge 
          block-status  : unblock 
          link-status   : UP

Transit1#show eips topology ring 1 
 ring ID     : 1 
 topo status : round 
 topo index 1 : 
        host name      : Transit2 
        eips type      : transit 
        eips status    : COMPLETE 
        border         : YES 
        base MAC       : 0001.7a22.2224 
        sys oid        : 1.3.6.1.4.1.5651.1.0.0 
        interface1     : gi0/1 
          MAC           : 0001.7a22.2224 
          role          : primary 
          block-status  : unblock 
          link-status   : UP 
        interface2     : gi0/2 
          MAC           : 0001.7a22.2224 
          role          : second 
          block-status  : unblock 
          link-status   : UP 
 topo index 2 : 
        host name      : Transit3 
        eips type      : transit 
        eips status    : COMPLETE 
        border         : NO 
        base MAC       : 0000.0000.008b 
        sys oid......... 1.3.6.1.4.1.5651.1.102.146 
        interface1     : gi0/1 
          MAC           : 0000.0000.008b 
          role          : primary 
          block-status  : unblock 
          link-status   : UP 
        interface2     : gi0/2 
          MAC           : 0000.0000.008b 
          role          : second 
          block-status  : unblock 
          link-status   : UP 
 topo index 3 : 
        host name      : Master 
        eips type      : master 
        eips status    : COMPLETE 
        border         : NO 
        base MAC       : 0014.0000.1202 
        sys oid......... 1.3.6.1.4.1.5651.1.102.127 
        interface1     : gi0/2 
          MAC           : 0014.0000.1202 
          role          : second 
          block-status  : block 
          link-status   : UP 
        interface2     : gi0/1 
          MAC           : 0014.0000.1202 
          role          : primary 
          block-status  : unblock 
          link-status   : UP 
 topo index 4 : 
        host name      : Transit1 
        eips type      : transit 
        eips status    : COMPLETE 
        border         : YES 
        base MAC       : 0001.7a54.5d71 
        sys oid......... 1.3.6.1.4.1.5651.1.102.145 
        interface1     : gi0/1 
          MAC           : 0001.7a54.5d71 
          role          : primary 
          block-status  : unblock 
          link-status   : UP 
        interface2     : gi0/2 
          MAC           : 0001.7a54.5d71 
          role          : second 
          block-status  : unblock 
          link-status   : UP