From: brajesh.thakur@wipro.com
Date: Mon Aug 06 2007 - 02:56:56 ART
Ajay change your routing mtu size to 1500 on Switches. I had faced the
same problem.
Warm Regards,
Brajesh Thakur
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Ajay Prakash
Sent: Monday, August 06, 2007 10:53 AM
To: Cisco certification; Ajay
Subject: Unable to bring up OSPF adjacency :-|
Hello Group,
I am unable to bring up a adjecency between a router R2 and Switch SW1
and I
am unable to understand why. Below is my configuration:
R2-----------SW2-------------SW1
Thanks.
Rack2R2#p 162.2.27.7 <-- SW1 Ip address
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 162.2.27.7, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 1/2/4 ms
Rack2R2#sh run | b router ospf
router ospf 1
router-id 150.2.2.2
log-adjacency-changes
area 27 stub
network 150.2.2.2 0.0.0.0 area 0
network 162.2.0.2 0.0.0.0 area 0
network 162.2.27.2 0.0.0.0 area 27
Rack2SW1#sh run | b router ospf
router ospf 1
router-id 150.2.7.7
log-adjacency-changes
area 27 stub
network 150.2.7.7 0.0.0.0 area 27
network 162.2.27.7 0.0.0.0 area 27
Rack2R2#sh ip ospf neig
Neighbor ID Pri State Dead Time Address
Interface
150.2.3.3 100 FULL/DR 00:01:49 162.2.0.3
Serial0/0.1
150.2.7.7 1 EXSTART/DR 00:00:38 162.2.27.7
FastEthernet0/0
Rack2R2#
Rack2R2#
*Jul 31 10:36:25.007: %OSPF-5-ADJCHG: Process 1, Nbr 150.2.7.7 on
FastEthernet0/0 from EXSTART to DOWN, Neighbor Down: Too many
retransmissions
Rack2R2#sh ip ospf int fa0/0
FastEthernet0/0 is up, line protocol is up
Internet Address 162.2.27.2/24, Area 27
Process ID 1, Router ID 150.2.2.2, Network Type BROADCAST, Cost: 1
03:26:41: %OSPF-5-ADJCHG: Process 1, Nbr 150.2.2.2 on Vlan27 from DOWN
to
DOWN, Neighbor Down: Ignore timer expired
Rack2SW1#sh ip ospf neig
Neighbor ID Pri State Dead Time Address
Interface
150.2.2.2 1 EXSTART/BDR 00:00:35 162.2.27.2 Vlan27
Rack2SW1#sh ip ospf int vlan27
Vlan27 is up, line protocol is up
Internet Address 162.2.27.7/24, Area 27
Process ID 1, Router ID 150.2.7.7, Network Type BROADCAST, Cost: 1
Rack2SW1#sh ip ospf int vlan27
Vlan27 is up, line protocol is up
Internet Address 162.2.27.7/24, Area 27
Process ID 1, Router ID 150.2.7.7, Network Type BROADCAST, Cost: 1
Rack2SW1#debu ip ospf hello
OSPF hello events debugging is on
Rack2SW1#u all
03:25:50: OSPF: Send hello to 224.0.0.5 area 27 on Vlan27 from
162.2.27.7
Rack2SW1#u all
03:25:51: OSPF: Rcv hello from 150.2.2.2 area 27 from Vlan27 162.2.27.2
03:25:51: OSPF:
OSPF: Nbr 150.2.2.2 162.2.27.2 Vlan27 is currently ignored
Rack2SW1#u all
03:26:00: OSPF: Send hello to 224.0.0.5 area 27 on Vlan27 from
162.2.27.7
Rack2SW1#u all
03:26:01: OSPF: Rcv hello from 150.2.2.2 area 27 from Vlan27 162.2.27.2
03:26:01: OSPF:
OSPF: Nbr 150.2.2.2 162.2.27.2 Vlan27 is currently ignored
Rack2SW1#u all
All possible debugging has been turned off
Rack2SW1#
03:26:10: OSPF: Send hello to 224.0.0.5 area 27 on Vlan27 from
162.2.27.7
Regards,
Ajay Prakash
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