RE: problem with ospf

From: Tony Schaffran (groupstudy@cconlinelabs.com)
Date: Wed Jul 18 2007 - 11:24:28 ART


After a quick glance, I do not see a problem with the config you have
provided.

I would question if the config you have provided matches the actual running
config. I assume the provided config is not the running config because you
have misspelled broadcast on your bvi interface and abbreviated some
commands.

Could you please provide the actual running config to see if we can spot the
problem?

Tony Schaffran
Network Analyst
CCIE #11071
CCNP, CCNA, CCDA,
NNCDS, NNCSS, CNE, MCSE
 
www.cconlinelabs.com
Your #1 choice for online Cisco rack rentals.
 

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of Max
Braun
Sent: Wednesday, July 18, 2007 5:34 AM
To: ccielab@groupstudy.com
Subject: problem with ospf

Hi, Group!

I have a problem with ospf. I have a simple scheme:

------vlan 30-------r3-loopback 103
|
r1- |
|
------vlan 20-------r2-loopback 102

On r1 I have 2 fastethernet subinterfaces and bvi interface (must be the
same address on both vlans) and I have the ospf here. There is the
configuration:

r1:

interface bvi 1
ip add 172.17.60.1 255.255.255.0
ip ospf network broudcast
ip ospf priority 100

int fa 0/0.20
enc dot1q 20
bridge-group 1
no ip redirect

int fa 0/0.30
enc dot1q 30
bridge-group 1
no ip redirect

router ospf 1
network 172.17.60.0 0.0.0.255 area 1

r2:
int fa 0/0
ip add 172.17.60.2 255.255.255.0

int loo 102
ip add 172.17.102.1 255.255.255.0
ip ospf network point-to-point

router ospf 1
net 172.17.60.0 0.0.0.255 area 1
net 172.17.102.0 0.0.0.255 area 1

r3:
int fa 0/0
ip add 172.17.60.3 255.255.255.0

int loo 102
ip add 172.17.103.1 255.255.255.0
ip ospf network point-to-point

router ospf 1
net 172.17.60.0 0.0.0.255 area 1
net 172.17.103.0 0.0.0.255 area 1

I have all routes on r1 exclude the 172.17.102.0. I see it in ospf
database but not in routing table. There is the output of show ip ospf
neighbors:

r1(config-if)#do sh ip os ne

Neighbor ID Pri State Dead Time Address
Interface
172.17.102.1 1 FULL/DROTHER 00:00:38 172.17.60.2 BVI1
172.17.103.1 1 FULL/BDR 00:00:39 172.17.60.3
BVI1

Thank you all.

Best regards,
Max Braun

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This archive was generated by hypermail 2.1.4 : Sat Aug 18 2007 - 08:17:41 ART