[Xorp-users] OSPF neighbor death

Atanu Ghosh atanu at ICSI.Berkeley.EDU
Thu Jan 10 11:45:11 PST 2008


Hi,

This problem is fixed in CVS but is not in the latest release.

<http://mailman.icsi.berkeley.edu/pipermail/xorp-cvs/2007-September/010503.html>

     Atanu.

>>>>> "Arsi" == Arsi Antila <bbb999 at zerodistance.fi> writes:

    Arsi> When OSPF p2p neighbor dies, the routes advertised by that
    Arsi> neighbor are not deleted. Is this correct? In broadcast mode
    Arsi> the routes for a dead neighbor are deleted.

    Arsi> The sequence of steps is shown below. Network 192.10.0.0/24 is
    Arsi> advertised by the OSPF neighbor. In broadcast mode this
    Arsi> network is not shown with 'show route table ipv4 unicast
    Arsi> final' after the neighbor has died.


    Arsi> -- Start both routers --

    Arsi> root at sisa1a> show ospf4 neighbor Address Interface State ID
    Arsi> Pri Dead 10.1.0.1 eth0/eth0 Full 10.1.0.1 128 38

    Arsi> root at sisa1a> show route table ipv4 unicast final 10.1.0.0/24
    Arsi> [connected(0)/0]
    >> via eth0/eth0
    Arsi> 192.10.0.0/24 [ospf(110)/2]
    >> to 10.1.0.1 via eth0/eth0

    Arsi> -- Neighbor dies --


    Arsi> root at sisa1a> show ospf4 neighbor Address Interface State ID
    Arsi> Pri Dead 10.1.0.1 eth0/eth0 Down 10.1.0.1 0 0

    Arsi> root at sisa1a> show route table ipv4 unicast final 10.1.0.0/24
    Arsi> [connected(0)/0]
    >> via eth0/eth0
    Arsi> 192.10.0.0/24 [ospf(110)/2]
    >> to 10.1.0.1 via eth0/eth0



    Arsi> ------------------------------------------

    Arsi> interfaces { restore-original-config-on-shutdown: false
    Arsi> interface eth0 { default-system-config } }

    Arsi> protocols { ospf4 { router-id: 10.1.0.2

    Arsi>     area 0.0.0.0 { interface eth0 { link-type: "p2p" vif eth0
    Arsi> { address 10.1.0.2 { router-dead-interval: 40 neighbor
    Arsi> 10.1.0.1 { router-id: 10.1.0.1 } } } } } } }

    Arsi> _______________________________________________ Xorp-users
    Arsi> mailing list Xorp-users at xorp.org
    Arsi> http://mailman.ICSI.Berkeley.EDU/mailman/listinfo/xorp-users



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