From: Waheed Mir (ccnp2ccie@yahoo.com)
Date: Fri Aug 22 2003 - 04:16:22 GMT-3
Hi,
I'm using md5 authentication for virual links across transit area over NBMA, but i cannot figure out why my Virual Links are flapping.. Please see the event trace below..
-thanx
WAM
01:34:45: %OSPF-5-ADJCHG: Process 77, Nbr 189.18.2.2 on Serial0/0 from FULL to DOWN, Neighbor Down: Dead timer expired
01:34:52: %OSPF-5-ADJCHG: Process 77, Nbr 189.18.2.2 on Serial0/0 from LOADING to FULL, Loading Done
01:35:03: %OSPF-5-ADJCHG: Process 77, Nbr 189.18.2.2 on OSPF_VL0 from LOADING to FULL, Loading Done
R4#sh ip ospf virtual-links
Virtual Link OSPF_VL0 to router 189.18.2.2 is up
Run as demand circuit
DoNotAge LSA allowed.
Transit area 246, via interface Serial0/0, Cost of using 64
Transmit Delay is 1 sec, State POINT_TO_POINT,
Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
Hello due in 00:00:08
Adjacency State FULL (Hello suppressed)
Index 2/3, retransmission queue length 0, number of retransmission 16
First 0x0(0)/0x0(0) Next 0x0(0)/0x0(0)
Last retransmission scan length is 1, maximum is 5
Last retransmission scan time is 0 msec, maximum is 0 msec
Message digest authentication enabled
Youngest key id is 1
R4#
01:35:45: %OSPF-5-ADJCHG: Process 77, Nbr 189.18.2.2 on Serial0/0 from FULL to DOWN, Neighbor Down: Dead timer expired
01:35:52: %OSPF-5-ADJCHG: Process 77, Nbr 189.18.2.2 on Serial0/0 from LOADING to FULL, Loading Done
R4#sh ip ospf virtual-links
Virtual Link OSPF_VL0 to router 189.18.2.2 is up
Run as demand circuit
DoNotAge LSA allowed.
Transit area 246, via interface Serial0/0, Cost of using 64
Transmit Delay is 1 sec, State POINT_TO_POINT,
Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
Hello due in 00:00:07
Adjacency State FULL (Hello suppressed)
Index 2/3, retransmission queue length 6, number of retransmission 17
First 0x81941A30(1874)/0x0(0) Next 0x8194122C(1879)/0x0(0)
Last retransmission scan length is 5, maximum is 5
Last retransmission scan time is 0 msec, maximum is 0 msec
Link State retransmission due in 20 msec
Message digest authentication enabled
Youngest key id is 1
R4#
01:36:03: %OSPF-5-ADJCHG: Process 77, Nbr 189.18.2.2 on OSPF_VL0 from LOADING to FULL, Loading Done
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