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

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## Configure the Hello Interval

You can configure the OSPFv3 hello interval to specify the interval between the hello packets sent on the interface. The hello interval value must be the same for all routers attached to a common link. Values are 1-65535 seconds.

This example configures `VLAN 10` with a hello interval of 40 seconds.

1. Configure the hello interval through the CLI.

       SEFOS(config)# interface vlan 10
       SEFOS(config-if)# ipv6 ospf hello-interval 40
       SEFOS(config-if)# end

2. Ensure that the correct hello interval is set 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: DR
       Designated Router Id: 10.0.0.1      local address: fe80::214:4fff:fe6c:628f
       Backup Designated Router Id: 10.0.0.8      local address: fe80::214:4fff:fe6c:d04d
       Transmit Delay: 1 sec        Priority: 1         IfOptions: 0x0
       Timer intervals configured:
       Hello: 40, Dead: 40, Retransmit: 5, Poll: 120
       Demand Circuit: Disable            Neighbor Probing: Disable
       Nbr Probe Retrans Limit: 10        Nbr Probe Interval: 120
       Hello due in 33 sec
       Neighbor Count is: 1
       Adjacent with neighbor 10.0.0.8

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