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| Sun Ethernet Fabric Operating System ### OSPFv3 Administration Guide

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## Enable Neighbor Probing on a Demand Circuit

This example enables neighbor probing on `VLAN 10` after it has been identified as an OSPF demand circuit.

1. Enable neighbor probing for a specific interface through the CLI.

       SEFOS(config)# interface vlan 10
       SEFOS(config-if)# ipv6 ospf demand-circuit
       SEFOS(config-if)# ipv6 ospf neighbor probing
       SEFOS(config-if)# end

2. Ensure that neighbor probing is enabled for the specified interface.

       SEFOS# show ipv6 ospf interface vlan 10

               Ospfv3  Interface  Information

       Interface Name: vlan10      Interface Id: 41    Area Id: 0.0.0.6
       Local Address: fe80::214:4fff:fe6c:628f         Router Id: 10.0.0.1
       Network Type: BROADCAST     Cost: 1             State: BACKUP
       Designated Router Id: 10.0.0.8      local address: fe80::214:4fff:fe6c:d04d
       Backup Designated Router Id: 10.0.0.1      local address: fe80::214:4fff:fe6c:628f
       Transmit Delay: 1 sec        Priority: 1         IfOptions: 0x0
       Timer intervals configured:
       Hello: 10, Dead: 40, Retransmit: 5, Poll: 120
       Demand Circuit: Enable             Neighbor Probing: Enable
       Nbr Probe Retrans Limit: 10        Nbr Probe Interval: 120
       Hello due in 5 sec
       Neighbor Count is: 1
       Adjacent with neighbor 10.0.0.8

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