[nsp] OSPF Adjacency

Marakovic, Ivan ivan at qita.com.au
Wed Jun 9 01:33:59 EDT 2004 

Hi All,

I have a problem with two of our core routers (Cisco 3640) not being
able to form an OSPF adjacency across the Serial 0/0.10 subinterface
running Frame Relay (point to point).  They go to extart state and then
to down again.  Same routers have formed an OSPF adjacency with some
other routers through the other subinterface (serial 0/0.20)

It just started happening yesterday.  They ware running for two years
with no problems.

Now,  both routers can ping each other via that interface.  There is no
layer 2 problems on these interfaces. 

I have cleared the OSPF processes but that did not help.

Debug ip ospf adj gives me the following:

Jun  9 15:27:04: OSPF: Retransmitting DBD to 10.1.1.1 on Serial0/0.10
Jun  9 15:27:04: OSPF: Up DBD Retransmit cnt to 8 for 10.1.1.1 on
Serial0/0.10
Jun  9 15:27:04: OSPF: Send DBD to 10.1.1.1 on Serial0/0.10 seq 0x1A59
opt 0x422
Jun  9 15:27:04: OSPF: Rcv DBD from 10.1.1.1 on Serial0/0.10 seq 0x98F
opt 0x42T
Jun  9 15:27:04: OSPF: First DBD and we are not SLAVE
Jun  9 15:27:09: OSPF: Retransmitting DBD to 10.1.1.1 on Serial0/0.10
Jun  9 15:27:09: OSPF: Up DBD Retransmit cnt to 9 for 10.1.1.1 on
Serial0/0.10
Jun  9 15:27:09: OSPF: Send DBD to 10.1.1.1 on Serial0/0.10 seq 0x1A59
opt 0x422
Jun  9 15:27:09: OSPF: Rcv DBD from 10.1.1.1 on Serial0/0.10 seq 0x98F
opt 0x42T
Jun  9 15:27:09: OSPF: First DBD and we are not SLAVE
Jun  9 15:27:14: OSPF: Retransmitting DBD to 10.1.1.1 on Serial0/0.10
Jun  9 15:27:14: OSPF: Up DBD Retransmit cnt to 10 for 10.1.1.1 on
Serial0/0.10
Jun  9 15:27:14: OSPF: Send DBD to 10.1.1.1 on Serial0/0.10 seq 0x1A59
opt 0x422
Jun  9 15:27:14: OSPF: Rcv DBD from 10.1.1.1 on Serial0/0.10 seq 0x98F
opt 0x42T
Jun  9 15:27:14: OSPF: First DBD and we are not SLAVE
Jun  9 15:27:19: OSPF: Retransmitting DBD to 10.1.1.1 on Serial0/0.10
Jun  9 15:27:19: OSPF: Up DBD Retransmit cnt to 11 for 10.1.1.1 on
Serial0/0.10
Jun  9 15:27:19: OSPF: Send DBD to 10.1.1.1 on Serial0/0.10 seq 0x1A59
opt 0x422
Jun  9 15:27:19: OSPF: Rcv DBD from 10.1.1.1 on Serial0/0.10 seq 0x98F
opt 0x42T
Jun  9 15:27:19: OSPF: First DBD and we are not SLAVE
Jun  9 15:27:24: OSPF: Retransmitting DBD to 10.1.1.1 on Serial0/0.10
Jun  9 15:27:24: OSPF: Up DBD Retransmit cnt to 12 for 10.1.1.1 on
Serial0/0.10
Jun  9 15:27:24: OSPF: Send DBD to 10.1.1.1 on Serial0/0.10 seq 0x1A59
opt 0x422
Jun  9 15:27:24: OSPF: Rcv DBD from 10.1.1.1 on Serial0/0.10 seq 0x98F
opt 0x42T
Jun  9 15:27:24: OSPF: First DBD and we are not SLAVE
Jun  9 15:27:29: OSPF: Retransmitting DBD to 10.1.1.1 on Serial0/0.10
Jun  9 15:27:29: OSPF: Up DBD Retransmit cnt to 13 for 10.1.1.1 on
Serial0/0.10
Jun  9 15:27:29: OSPF: Send DBD to 10.1.1.1 on Serial0/0.10 seq 0x1A59
opt 0x422
Jun  9 15:27:29: OSPF: Rcv DBD from 10.1.1.1 on Serial0/0.10 seq 0x98F
opt 0x42T
Jun  9 15:27:29: OSPF: First DBD and we are not SLAVE
Jun  9 15:27:34: OSPF: Retransmitting DBD to 10.1.1.1 on Serial0/0.10
Jun  9 15:27:34: OSPF: 10.1.1.1 address 192.168.102.5 on Serial0/0.10 is
dead, N
Jun  9 15:27:34: %OSPF-5-ADJCHG: Process 1, Nbr 10.1.1.1 on Serial0/0.10
from Es
Jun  9 15:28:34: OSPF: 10.1.1.1 address 192.168.102.5 on Serial0/0.10 is
dead
Jun  9 15:28:34: OSPF: 10.1.1.1 address 192.168.102.5 on Serial0/0.10 is
dead, n
Jun  9 15:28:34: %OSPF-5-ADJCHG: Process 1, Nbr 10.1.1.1 on Serial0/0.1
d
Jun  9 15:28:44: OSPF: Rcv DBD from 10.1.1.1 on Serial0/0.10 seq 0xBF1
opt 0x42T
Jun  9 15:28:44: OSPF: 2 Way Communication to 10.1.1.1 on Serial0/0.10,
state 2Y
Jun  9 15:28:44: OSPF: Send DBD to 10.1.1.1 on Serial0/0.10 seq 0xC58
opt 0x42 2
Jun  9 15:28:44: OSPF: First DBD and we are not SLAVE
Jun  9 15:28:49: OSPF: Retransmitting DBD to 10.1.1.1 on Serial0/0.10
Jun  9 15:28:49: OSPF: Up DBD Retransmit cnt to 1 for 10.1.1.1 on
Serial0/0.10
Jun  9 15:28:49: OSPF: Send DBD to 10.1.1.1 on Serial0/0.10 seq 0xC58
opt 0x42 2
Jun  9 15:28:49: OSPF: Rcv DBD from 10.1.1.1 on Serial0/0.10 seq 0xBF1
opt 0x42T
Jun  9 15:28:49: OSPF: First DBD and we are not SLAVE
Jun  9 15:28:54: OSPF: Retransmitting DBD to 10.1.1.1 on Serial0/0.10
Jun  9 15:28:54: OSPF: Up DBD Retransmit cnt to 2 for 10.1.1.1 on
Serial0/0.10
Jun  9 15:28:54: OSPF: Send DBD to 10.1.1.1 on Serial0/0.10 seq 0xC58
opt 0x42 2
Jun  9 15:28:54: OSPF: Rcv DBD from 10.1.1.1 on Serial0/0.10 seq 0xBF1
opt 0x42T
Jun  9 15:28:54: OSPF: First DBD and we are not SLAVE
Jun  9 15:28:59: OSPF: Retransmitting DBD to 10.1.1.1 on Serial0/0.10
Jun  9 15:28:59: OSPF: Up DBD Retransmit cnt to 3 for 10.1.1.1 on
Serial0/0.10
Jun  9 15:28:59: OSPF: Send DBD to 10.1.1.1 on Serial0/0.10 seq 0xC58
opt 0x42 2
Jun  9 15:28:59: OSPF: Rcv DBD from 10.1.1.1 on Serial0/0.10 seq 0xBF1
opt 0x42T
Jun  9 15:28:59: OSPF: First DBD and we are not SLAVE
Jun  9 15:29:04: OSPF: Retransmitting DBD to 10.1.1.1 on Serial0/0.10
Jun  9 15:29:04: OSPF: Up DBD Retransmit cnt to 4 for 10.1.1.1 on
Serial0/0.10
Jun  9 15:29:04: OSPF: Send DBD to 10.1.1.1 on Serial0/0.10 seq 0xC58
opt 0x42 2
Jun  9 15:29:04: OSPF: Rcv DBD from 10.1.1.1 on Serial0/0.10 seq 0xBF1
opt 0x42T
Jun  9 15:29:04: OSPF: First DBD and we are not SLAVE
Jun  9 15:29:09: OSPF: Retransmitting DBD to 10.1.1.1 on Serial0/0.10
Jun  9 15:29:09: OSPF: Up DBD Retransmit cnt to 5 for 10.1.1.1 on
Serial0/0.10
Jun  9 15:29:09: OSPF: Send DBD to 10.1.1.1 on Serial0/0.10 seq 0xC58
opt 0x42 2
Jun  9 15:29:09: OSPF: Rcv DBD from 10.1.1.1 on Serial0/0.10 seq 0xBF1
opt 0x42T
Jun  9 15:29:09: OSPF: First DBD and we are not SLAVE
Jun  9 15:29:14: OSPF: Retransmitting DBD to 10.1.1.1 on Serial0/0.10
Jun  9 15:29:14: OSPF: Up DBD Retransmit cnt to 6 for 10.1.1.1 on
Serial0/0.10
Jun  9 15:29:14: OSPF: Send DBD to 10.1.1.1 on Serial0/0.10 seq 0xC58
opt 0x42 2
Jun  9 15:29:14: OSPF: Rcv DBD from 10.1.1.1 on Serial0/0.10 seq 0xBF1
opt 0x42T
Jun  9 15:29:14: OSPF: First DBD and we are not SLAVE
Jun  9 15:29:19: OSPF: Retransmitting DBD to 10.1.1.1 on Serial0/0.10
Jun  9 15:29:19: OSPF: Up DBD Retransmit cnt to 7 for 10.1.1.1 on
Serial0/0.10
Jun  9 15:29:19: OSPF: Send DBD to 10.1.1.1 on Serial0/0.10 seq 0xC58
opt 0x42 2
Jun  9 15:29:19: OSPF: Rcv DBD from 10.1.1.1 on Serial0/0.10 seq 0xBF1
opt 0x42T
Jun  9 15:29:19: OSPF: First DBD and we are not SLAVE
...


Anyone seen this before??


Regards
Ivan


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