[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
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