From: Daniel C. Young (danyoung99@xxxxxxxxxxxx)
Date: Sun Aug 05 2001 - 18:55:48 GMT-3
Scenario: OSPF over multipoint frame-relay; r5 as hub, r2 and r3 as spokes.
r5 and r3 form adjacencies, but r2 and r5 do not. It appears that r5 is not
receiving hellos from r2, although r2 receives them from r5.
r2#sh ip ospf nei
Neighbor ID Pri State Dead Time Address Interface
170.10.245.5 100 INIT/ - 00:01:55 170.10.235.5 Serial0
r5#deb ip ospf adj
00:16:08: OSPF: Rcv hello from 170.10.245.5 area 0 from Serial0 170.10.235.5
00:16:08: OSPF: End of hello processing
r5#sh ip ospf nei
Neighbor ID Pri State Dead Time Address Interface
170.10.243.3 0 FULL/ - 00:01:48 170.10.235.3 Serial0.1
r5#deb ip ospf adj
00:12:11: OSPF: Rcv hello from 170.10.243.3 area 0 from Serial0.1
170.10.235.3
00:12:11: OSPF: End of hello processing
[r2's config]
interface Serial0
ip address 170.10.235.2 255.255.255.240
no ip directed-broadcast
encapsulation frame-relay
ip ospf network point-to-multipoint
ip ospf priority 0
no ip mroute-cache
frame-relay map ip 170.10.235.2 102 broadcast
frame-relay map ip 170.10.235.3 102 broadcast
frame-relay map ip 170.10.235.5 102 broadcast
frame-relay lmi-type ansi
end
[r3's config]
interface Serial0
ip address 170.10.235.3 255.255.255.240
no ip directed-broadcast
encapsulation frame-relay
ip ospf network point-to-multipoint
ip ospf interface-retry 0
ip ospf priority 0
no ip mroute-cache
no fair-queue
frame-relay map ip 170.10.235.2 204 broadcast
frame-relay map ip 170.10.235.3 204 broadcast
frame-relay map ip 170.10.235.5 204 broadcast
frame-relay lmi-type ansi
end
[r5's config]
interface Serial0.1 multipoint
ip address 170.10.235.5 255.255.255.240
no ip directed-broadcast
ip ospf network point-to-multipoint
ip ospf priority 100
frame-relay map ip 170.10.235.2 401 broadcast
frame-relay map ip 170.10.235.3 402 broadcast
frame-relay map ip 170.10.235.5 402 broadcast
end
Normally, stuck-in-INIT states are caused by leaving out the 'broadcast'
parameter, but this is not the case. Further, if it was a misconfiguration
issue, r3 would also exhibit the same symptoms. IOS bug perhaps?
Regards,
Daniel
7 days and counting...
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