From: Lab Candidate (labccie@xxxxxxxxx)
Date: Wed Jun 05 2002 - 05:23:41 GMT-3
Jason, thanks for your advice. I have checked all the items, and even applied t
he ip ospf
mtu-ignore command, but sitll not working. here's the output for two adjacent i
nterfaces:
r3#sh ip os int e0/0
Ethernet0/0 is up, line protocol is up
Internet Address 170.10.54.1/24, Area 2
Process ID 9, Router ID 3.3.3.3, Network Type BROADCAST, Cost: 10
Transmit Delay is 1 sec, State BDR, Priority 1
Designated Router (ID) 5.5.5.5, Interface address 170.10.54.2
Backup Designated router (ID) 3.3.3.3, Interface address 170.10.54.1
Flush timer for old DR LSA due in 00:02:36
Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
Hello due in 00:00:02
Index 2/3, flood queue length 0
Next 0x0(0)/0x0(0)
Last flood scan length is 0, maximum is 0
Last flood scan time is 0 msec, maximum is 0 msec
Neighbor Count is 1, Adjacent neighbor count is 0
Suppress hello for 0 neighbor(s)
r3#
r5#sh ip os int f0/0
FastEthernet0/0 is up, line protocol is up
Internet Address 170.10.54.2/24, Area 2
Process ID 9, Router ID 5.5.5.5, Network Type BROADCAST, Cost: 1
Transmit Delay is 1 sec, State DR, Priority 1
Designated Router (ID) 5.5.5.5, Interface address 170.10.54.2
Backup Designated router (ID) 3.3.3.3, Interface address 170.10.54.1
Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
Hello due in 00:00:02
Index 1/3, flood queue length 0
Next 0x0(0)/0x0(0)
Last flood scan length is 0, maximum is 0
Last flood scan time is 0 msec, maximum is 0 msec
Neighbor Count is 1, Adjacent neighbor count is 0
Suppress hello for 0 neighbor(s)
r5#
--- li jian hua <jasonli@cisco.com> wrote:
> Please check mtu,network mask,network type,interface timer
> parameter,authentication-type etc between two ethernet interface.They
> should be the same.
> Cisco has a book named by Troubleshooting IP Routing Protocols (CCIE
> Professional Development Series).
>
http://www.ciscopress.com/catalog/product.asp?product_id={17F54ECB-821D-488F-B9
06-E022F53FE5FA}&session_id={6BDB75D0-3B65-4699-8BB5-D2940D662D86}
> please read it.
> rgds
> jason
> At 00:44 2002-6-5 -0700, Lab Candidate 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
>
=== message truncated ===
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