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| Sun Ethernet Fabric Operating System ### VRRP Administration Guide

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## Create VRRP Instance Over an Interface

See the first figure in VRRP Topology for the topology used in this example.

1. Enable VRRP to configure an instance over a VLAN interface.

       SEFOS# configure terminal
       SEFOS(config)# router vrrp

2. Select an interface to configure VRRP and enter Interface Configuration mode.

       SEFOS(config-vrrp)# interface vlan 2

3. Create a VRRP instance and specify a virtual IP address.

       SEFOS(config-vrrp-if)# vrrp 2 ipv4 12.0.0.5
       SEFOS(config-vrrp-if)# end

4. View the VRRP configurations and states in switch 1.

       SEFOS# show vrrp interface vlan 2
       P indicates configured to preempt
       Interface  vrID Priority  P  State   Master Addr     VRouter Addr
       ---------  ---- --------  -  -----   -----------     ------------
       vlan2      1     100      P  Backup   12.0.0.5       12.0.0.5

   Alternatively, you can display the detailed configuration information.

       SEFOS# show vrrp interface vlan 2 detail
       vlan2  - vrID 1
       ---------------
       State is Backup
       Virtual IP address is 12.0.0.5
       Virtual MAC address is 00:00:5e:00:01:01
       Master router is 12.0.0.5
       Associated Ip Addresses :
       ----------------------
       12.0.0.5
       Advertise time is 1 secs
       Current priority is 100
       Configured priority is 100, may preempt
       Accept Mode Disabled

   You can display the configuration statistics.

       SEFOS# show vrrp interface vlan 2 statistics
       vlan2  - vrID 1
       ---------------
       Transitions to Master                : 0
       Advertisements Received              : 441
       Advertise Internal Errors            : 0
       Authentication Failures              : 0
       TTL Errors                           : 0
       Zero Priority Packets Received       : 0
       Zero Priority Packets Sent           : 0
       Invalid Type Packets Received        : 0
       Address List Errors                  : 0
       Invalid Authentication Type          : 0
       Authentication Type Mismatch         : 0
       Packet Length Errors                 : 0

   The counter for Advertisements Received increases for every second in switch 1.

5. View the VRRP configurations in switch 2.

       SEFOS# show vrrp interface vlan 2
       P indicates configured to preempt

       Interface  vrID Priority  P  State   Master Addr   VRouter Addr
       ---------  ---- --------  -  -----   -----------   ------------
       vlan2       1    100      P  Master   local        12.0.0.5

   Alternatively, you can display the detailed configuration information.

       SEFOS# show vrrp interface vlan 2 detail
       vlan2  - vrID 1
       ---------------
       State is Master
       Virtual IP address is 12.0.0.5
       Virtual MAC address is 00:00:5e:00:01:01
       Master router is 12.0.0.5
       Associated IpAddresses :
       ----------------------
       12.0.0.5
       Advertise time is 1 secs
       Current priority is 100
       Configured priority is 100, may preempt
       Accept Mode Disabled

   You can display the configuration statistics.

       SEFOS# show vrrp interface vlan 2 statistics
       vlan2  - vrID 1
       ---------------
       Transitions to Master                  : 1
       Advertisements Received                : 0
       Advertise Internal Errors              : 0
       Authentication Failures                : 0
       TTL Errors                             : 0
       Zero Priority Packets Received         : 0
       Zero Priority Packets Sent             : 0
       Invalid Type Packets Received          : 0
       Address List Errors                    : 0
       Invalid Authentication Type            : 0
       Authentication Type Mismatch           : 0
       Packet Length Errors                   : 0

   The counter for Advertisements Received does not increase for every second in switch 2. Maximum number of instances allowed in a router is 10.

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