From: Semion Lisyansky (semionl@xxxxxxxxx)
Date: Wed Jun 05 2002 - 08:07:26 GMT-3
Hi,
I don't think it's Hello (MTU/Auth etc.) issue,
actually both routers sucessfully passed Hello
multicast stage, you can see Adj. neighbor in
"sh ip ospf int". Router stucked in Exstart/
Exchange usually means unicast problem, maybe
something on Layer 2. Can each router ping
its peer?, do You see peer's MAC in your ARP
table?
-- Semion Lisyansky--- Lab Candidate <labccie@yahoo.com> wrote: > two routers r3 and r5 won't form ospf neighbors over > ethernet intf's. > it's stuck in exstart state. could anyone please > help with any advice? > > > r3-e0/0----------f0/0-r5 > > > r3: > > interface Ethernet0/0 > ip address 170.10.54.1 255.255.255.0 > full-duplex > ! > router ospf 9 > router-id 3.3.3.3 > log-adjacency-changes > area 2 virtual-link 5.5.5.5 > network 170.10.50.0 0.0.0.255 area 2 > network 170.10.54.0 0.0.0.255 area 2 > network 170.10.80.0 0.0.0.255 area 0 > neighbor 170.10.80.4 > neighbor 170.10.80.2 > ! > r3#sh ip os n > > Neighbor ID Pri State Dead Time > Address Interface > 170.10.30.1 0 FULL/DROTHER 00:01:38 > 170.10.80.4 Serial0/1 > 198.133.219.25 0 FULL/DROTHER 00:01:45 > 170.10.80.2 Serial0/1 > 5.5.5.5 1 EXSTART/DR 00:00:37 > 170.10.54.2 Ethernet0/0 > r3# > > > r5: > > interface FastEthernet0/0 > ip address 170.10.54.2 255.255.255.0 > duplex auto > speed auto > > router ospf 9 > router-id 5.5.5.5 > log-adjacency-changes > area 2 virtual-link 3.3.3.3 > network 170.10.40.0 0.0.0.255 area 3 > network 170.10.54.0 0.0.0.255 area 2 > ! > > r5#sh ip os n > > Neighbor ID Pri State Dead Time > Address Interface > 3.3.3.3 1 EXSTART/BDR 00:00:35 > 170.10.54.1 FastEthernet0/0 > r5# > > > ==============debug================= > > r3# > > 00:22:38: OSPF: Send DBD to 5.5.5.5 on Ethernet0/0 > seq 0xDE7 opt 0x42 flag 0x7 l > en 32 > 00:22:38: OSPF: Retransmitting DBD to 5.5.5.5 on > Ethernet0/0 [4] > 00:22:38: OSPF: rcv. v:2 t:1 l:48 rid:5.5.5.5 > aid:0.0.0.2 chk:2C70 aut:0 auk: from > Ethernet0/0 > 00:22:38: OSPF: Rcv hello from 5.5.5.5 area 2 from > Ethernet0/0 170.10.54.2 > 00:22:38: OSPF: End of hello processing > r3# > 00:22:39: OSPF: Input packet while OSPF disabled on > Serial0/0 > r3# > 00:22:43: OSPF: Send DBD to 5.5.5.5 on Ethernet0/0 > seq 0xDE7 opt 0x42 flag 0x7 l > en 32 > 00:22:43: OSPF: Retransmitting DBD to 5.5.5.5 on > Ethernet0/0 [5] > r3# > 00:22:44: OSPF: Input packet while OSPF disabled on > Serial0/0 > r3# > 00:22:48: OSPF: Send DBD to 5.5.5.5 on Ethernet0/0 > seq 0xDE7 opt 0x42 flag 0x7 l > en 32 > 00:22:48: OSPF: Retransmitting DBD to 5.5.5.5 on > Ethernet0/0 [6] > 00:22:48: OSPF: rcv. v:2 t:1 l:48 rid:5.5.5.5 > aid:0.0.0.2 chk:2C70 aut:0 auk: from > Ethernet0/0 > 00:22:48: OSPF: Rcv hello from 5.5.5.5 area 2 from > Ethernet0/0 170.10.54.2 > 00:22:48: OSPF: End of hello processing > r3# > 00:22:49: OSPF: Input packet while OSPF disabled on > Serial0/0 > r3# > 00:22:53: OSPF: Send DBD to 5.5.5.5 on Ethernet0/0 > seq 0xDE7 opt 0x42 flag 0x7 l > en 32 > 00:22:53: OSPF: Retransmitting DBD to 5.5.5.5 on > Ethernet0/0 [7] > r3# > 00:22:54: OSPF: Input packet while OSPF disabled on > Serial0/0 > r3# > 00:22:58: OSPF: rcv. v:2 t:1 l:48 rid:5.5.5.5 > aid:0.0.0.2 chk:2C70 aut:0 auk: from > Ethernet0/0 > 00:22:58: OSPF: Rcv hello from 5.5.5.5 area 2 from > Ethernet0/0 170.10.54.2 > 00:22:58: OSPF: End of hello processing > 00:22:58: OSPF: Send DBD to 5.5.5.5 on Ethernet0/0 > seq 0xDE7 opt 0x42 flag 0x7 l > en 32 > 00:22:58: OSPF: Retransmitting DBD to 5.5.5.5 on > Ethernet0/0 [8] > 00:22:58: OSPF: rcv. v:2 t:1 l:48 rid:170.10.30.1 > aid:0.0.0.0 chk:3328 aut:0 auk: from Serial0/1 > 00:22:58: OSPF: Rcv hello from 170.10.30.1 area 0 > from Serial0/1 170.10.80.4 > 00:22:58: OSPF: End of hello processing > r3# > 00:22:59: OSPF: Input packet while OSPF disabled on > Serial0/0 > r3# > 00:23:03: OSPF: Send DBD to 5.5.5.5 on Ethernet0/0 > seq 0xDE7 opt 0x42 flag 0x7 l > en 32 > 00:23:03: OSPF: Retransmitting DBD to 5.5.5.5 on > Ethernet0/0 [9] > r3# > 00:23:04: OSPF: Input packet while OSPF disabled on > Serial0/0 > r3# > 00:23:05: OSPF: rcv. v:2 t:1 l:48 rid:198.133.219.25 > aid:0.0.0.0 chk:5994 aut:0 auk: from Serial0/1 > 00:23:05: OSPF: Rcv hello from 198.133.219.25 area 0 > from Serial0/1 170.10.80.2 > 00:23:05: OSPF: End of hello processing > r3# > 00:23:08: OSPF: rcv. v:2 t:1 l:48 rid:5.5.5.5 > aid:0.0.0.2 chk:2C70 aut:0 auk: from > Ethernet0/0 > 00:23:08: OSPF: Rcv hello from 5.5.5.5 area 2 from > Ethernet0/0 170.10.54.2 > 00:23:08: OSPF: End of hello processing > 00:23:08: OSPF: Send DBD to 5.5.5.5 on Ethernet0/0 > seq 0xDE7 opt 0x42 flag 0x7 l > en 32 > 00:23:08: OSPF: Retransmitting DBD to 5.5.5.5 on > Ethernet0/0 [10] > r3# > 00:23:09: OSPF: Input packet while OSPF disabled on > Serial0/0 > r3# > 00:23:13: OSPF: Send DBD to 5.5.5.5 on Ethernet0/0 > seq 0xDE7 opt 0x42 flag 0x7 l > en 32 > 00:23:13: OSPF: Retransmitting DBD to 5.5.5.5 on > Ethernet0/0 [11] > r3# > 00:23:14: OSPF: Input packet while OSPF disabled on > Serial0/0 > r3# > 00:23:18: OSPF: rcv. v:2 t:1 l:48 rid:5.5.5.5 > aid:0.0.0.2 chk:2C70 aut:0 auk: from > Ethernet0/0 > 00:23:18: OSPF: Rcv hello from 5.5.5.5 area 2 from > Ethernet0/0 170.10.54.2 > 00:23:18: OSPF: End of hello processing > 00:23:18: OSPF: Send DBD to 5.5.5.5 on Ethernet0/0 > seq 0xDE7 opt 0x42 flag 0x7 l > en 32 > 00:23:18: OSPF: Retransmitting DBD to 5.5.5.5 on > Ethernet0/0 [12] > > > r5# > > r5# > *Mar 1 00:24:23.495: OSPF: rcv. v:2 t:1 l:48 > rid:3.3.3.3 > aid:0.0.0.2 chk:C7D aut:0 auk: from > FastEthernet0/0 > *Mar 1 00:24:23.495: OSPF: Rcv hello from 3.3.3.3 > area 2 from FastEthernet0/0 1 > 70.10.54.1 > *Mar 1 00:24:23.499: OSPF: > OSPF: Nbr 3.3.3.3 170.10.54.1 FastEthernet0/0 is > currently ignored > r5# > *Mar 1 00:24:33.495: OSPF: rcv. v:2 t:1 l:48 > rid:3.3.3.3 > aid:0.0.0.2 chk:C7D aut:0 auk: from > FastEthernet0/0 > *Mar 1 00:24:33.495: OSPF: Rcv hello from 3.3.3.3 > area 2 from FastEthernet0/0 1 > 70.10.54.1 > *Mar 1 00:24:33.495: OSPF: > OSPF: Nbr 3.3.3.3 170.10.54.1 FastEthernet0/0 is > currently ignored > r5# deb ip os p > OSPF packet debugging is on > r5# > *Mar 1 00:24:43.495: OSPF: rcv. v:2 t:1 l:48 > rid:3.3.3.3 > aid:0.0.0.2 chk:C7D aut:0 auk: from > FastEthernet0/0 > *Mar 1 00:24:43.495: OSPF: Rcv hello from 3.3.3.3 > area 2 from FastEthernet0/0 1 > 70.10.54.1 > *Mar 1 00:24:43.495: OSPF: > OSPF: Nbr 3.3.3.3 170.10.54.1 FastEthernet0/0 is > currently ignored > r5# deb ip os e > OSPF events debugging is on > r5# deb ip os a > OSPF adjacency events debugging is on > r5# > *Mar 1 00:24:47.079: OSPF: 3.3.3.3 address > 170.10.54.1 on FastEthernet0/0 is de > ad > *Mar 1 00:24:47.079: OSPF: 3.3.3.3 address > 170.10.54.1 on FastEthernet0/0 is de > ad, state DOWN > *Mar 1 00:24:47.079: %OSPF-5-ADJCHG: Process 9, Nbr > 3.3.3.3 on FastEthernet0/0 > from DOWN to DOWN, Neighbor Down: Dead timer expired > r5# deb ip os > *Mar 1 00:24:47.079: OSPF: Neighbor change Event on > interface FastEthernet0/0 > *Mar 1 00:24:47.079: OSPF: DR/BDR election on > FastEthernet0/0 > *Mar 1 00:24:47.079: OSPF: Elect BDR 0.0.0.0 > *Mar 1 00:24:47.079: OSPF: Elect DR 5.5.5.5 > *Mar 1 00:24:47.079: DR: 5.5.5.5 (Id) BDR: > none > *Mar 1 00:24:47.583: OSPF: No full nbrs to build > Net Lsa for interface FastEthe > rnet0/0 > r5# deb ip os h > OSPF hello events debugging is on > r5# > *Mar 1 00:24:53.499: OSPF: rcv. v:2 t:1 l:48 > rid:3.3.3.3 > aid:0.0.0.2 chk:C7D aut:0 auk: from > FastEthernet0/0 > *Mar 1 00:24:53.499: OSPF: Rcv hello from 3.3.3.3 > area 2 from FastEthernet0/0 1 > 70.10.54.1 > *Mar 1 00:24:53.499: OSPF: 2 Way Communication to > 3.3.3.3 on FastEthernet0/0, s > tate 2WAY > *Mar 1 00:24:53.499: OSPF: Neighbor change Event on > interface FastEthernet0/0 > *Mar 1 00:24:53.499: OSPF: DR/BDR election on > FastEthernet0/0 > *Mar 1 00:24:53.499: OSPF: Elect BDR 0.0.0.0 > *Mar 1 00:24:53.499: OSPF: Elect DR 5.5.5.5 > *Mar 1 00:24:53.503: DR: 5.5.5.5 (Id) BDR: > none > r5# > *Mar 1 00:24:53.503: OSPF: Send DBD to 3.3.3.3 on > FastEthernet0/0 seq 0x1B6B op > t 0x42 flag 0x7 len 32 > *Mar 1 00:24:53.503: OSPF: End of hello processing > r5# > *Mar 1 00:24:58.503: OSPF: Send DBD to 3.3.3.3 on > FastEthernet0/0 seq 0x1B6B op > t 0x42 flag 0x7 len 32 > *Mar 1 00:24:58.503: OSPF: Retransmitting DBD to > 3.3.3.3 on FastEthernet0/0 [1] > r5# > *Mar 1 00:25:02.079: OSPF: rcv. v:2 t:2 l:32 > rid:3.3.3.3 > aid:0.0.0.2 chk:9981 aut:0 auk: from > FastEthernet0/0 > *Mar 1 00:25:02.079: OSPF: Rcv DBD from 3.3.3.3 on > FastEthernet0/0 seq 0x1671 o > pt 0x42 flag 0x7 len 32 mtu 1500 state EXSTART > *Mar 1 00:25:02.079: OSPF: First DBD and we are not > SLAVE > *Mar 1 00:25:03.495: OSPF: rcv. v:2 t:1 l:48 > rid:3.3.3.3 > aid:0.0.0.2 chk:2C70 aut:0 auk: from > FastEthernet0/0 > *Mar 1 00:25:03.499: OSPF: Rcv hello from 3.3.3.3 > area 2 from FastEthernet0/0 1 > 70.10.54.1 > *Mar 1 00:25:03.499: OSPF: Neighbor change Event on > interface FastEthernet0/0 > *Mar 1 00:25:03.499: OSPF: DR/BDR election on > FastEthernet0/0 > *Mar 1 00:25:03.499: OSPF: Elect BDR 3.3.3.3 > *Mar 1 00:25:03.499: OSPF: Elect DR 5.5.5.5 > *Mar 1 00:25:03.499: DR: 5.5.5.5 (Id) BDR: > 3.3.3.3 (Id) > *Mar 1 00:25:03.499: OSPF: End of hello processing > *Mar 1 00:25:03.503: OSPF: Send DBD to 3.3.3.3 on > FastEthernet0/0 seq 0x1B6B op > t 0x42 flag 0x7 len 32 > r5# > *Mar 1 00:25:03.503: OSPF: Retransmitting DBD to > 3.3.3.3 on FastEthernet0/0 [2] > r5# > *Mar 1 00:25:07.079: OSPF: rcv. v:2 t:2 l:32 > rid:3.3.3.3 > aid:0.0.0.2 chk:9981 aut:0 auk: from > FastEthernet0/0 > *Mar 1 00:25:07.079: OSPF: Rcv DBD from 3.3.3.3 on > FastEthernet0/0 seq 0x1671 o > pt 0x42 flag 0x7 len 32 mtu 1500 state EXSTART > *Mar 1 00:25:07.079: OSPF: First DBD and we are not > SLAVE > r5# > *Mar 1 00:25:08.503: OSPF: Send DBD to 3.3.3.3 on > FastEthernet0/0 seq 0x1B6B op > t 0x42 flag 0x7 len 32 > *Mar 1 00:25:08.503: OSPF: Retransmitting DBD to > 3.3.3.3 on FastEthernet0/0 [3] > r5# > *Mar 1 00:25:12.079: OSPF: rcv. v:2 t:2 l:32 > rid:3.3.3.3 > aid:0.0.0.2 chk:9981 aut:0 auk: from > FastEthernet0/0 > *Mar 1 00:25:12.079: OSPF: Rcv DBD from 3.3.3.3 on > FastEthernet0/0 seq 0x1671 o > pt 0x42 flag 0x7 len 32 mtu 1500 state EXSTART > *Mar 1 00:25:12.079: OSPF: First DBD and we are not > SLAVE > r5# > *Mar 1 00:25:13.495: OSPF: rcv. v:2 t:1 l:48 > rid:3.3.3.3 > aid:0.0.0.2 chk:2C70 aut:0 auk: from > FastEthernet0/0 > *Mar 1 00:25:13.499: OSPF: Rcv hello from 3.3.3.3 > area 2 from FastEthernet0/0 1 > 70.10.54.1 > *Mar 1 00:25:13.499: OSPF: End of hello processing > *Mar 1 00:25:13.503: OSPF: Send DBD to 3.3.3.3 on > FastEthernet0/0 seq 0x1B6B op > t 0x42 flag 0x7 len 32 > *Mar 1 00:25:13.503: OSPF: Retransmitting DBD to > 3.3.3.3 on FastEthernet0/0 [4] > r5# > *Mar 1 00:25:17.079: OSPF: rcv. v:2 t:2 l:32 > rid:3.3.3.3 > aid:0.0.0.2 chk:9981 aut:0 auk: from > FastEthernet0/0 > *Mar 1 00:25:17.079: OSPF: Rcv DBD from 3.3.3.3 on > FastEthernet0/0 seq 0x1671 o > pt 0x42 flag 0x7 len 32 mtu 1500 state EXSTART > *Mar 1 00:25:17.083: OSPF: First DBD and we are not > SLAVE > r5# > *Mar 1 00:25:18.503: OSPF: Send DBD to 3.3.3.3 on > FastEthernet0/0 seq 0x1B6B op > t 0x42 flag 0x7 len 32 > *Mar 1 00:25:18.503: OSPF: Retransmitting DBD to > 3.3.3.3 on FastEthernet0/0 [5] > r5# > *Mar 1 00:25:22.079: OSPF: rcv. v:2 t:2 l:32 > rid:3.3.3.3 > aid:0.0.0.2 chk:9981 aut:0 auk: from > FastEthernet0/0 > *Mar 1 00:25:22.079: OSPF: Rcv DBD from 3.3.3.3 on > FastEthernet0/0 seq 0x1671 o > pt 0x42 flag 0x7 len 32 mtu 1500 state EXSTART > *Mar 1 00:25:22.083: OSPF: First DBD and we are not > SLAVE > r5# > *Mar 1 00:25:23.499: OSPF: rcv. v:2 t:1 l:48 > rid:3.3.3.3 > aid:0.0.0.2 chk:2C70 aut:0 auk: from > FastEthernet0/0 > *Mar 1 00:25:23.499: OSPF: Rcv hello from 3.3.3.3 > area 2 from FastEthernet0/0 1 > 70.10.54.1 > *Mar 1 00:25:23.499: OSPF: End of hello processing > *Mar 1 00:25:23.503: OSPF: Send DBD to 3.3.3.3 on > FastEthernet0/0 seq 0x1B6B op > t 0x42 flag 0x7 len 32 > *Mar 1 00:25:23.503: OSPF: Retransmitting DBD to > 3.3.3.3 on FastEthernet0/0 [6 > > > > > >
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