From: Brian Dennis (brian@labforge.com)
Date: Wed May 14 2003 - 15:32:23 GMT-3
The two routers won't know about the overlapping networks because OSPF
advertises the loopbacks as /32's. R1 will only see 131.108.5.3/32 from
R2 and R2 will see 131.108.5.1/32 from R1.
Brian Dennis, CCIE #2210 (R&S/ISP-Dial/Security)
Director of CCIE Training and Development - IPexpert, Inc.
Mailto: brian@ipexpert.net
Toll Free: 866.225.8064
Outside U.S. & Canada: 312.321.6924
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Tony Schaffran
Sent: Wednesday, May 14, 2003 10:25 AM
To: 'keyser soze'; ccielab@groupstudy.com
Subject: RE: OSPF basic configuration problem
Also it looks like your loopback2 on R1 is the same network as loopback0
on
your R2.
That might be an issue.
Tony Schaffran
Network Analyst
CCIE #11071
CCNP, CCNA, CCDA
NNCDS, NNCSS, CNE, MCSE
http://www.cconlinelabs.com/
Your #1 choice for online cisco rack rentals.
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
keyser soze
Sent: Wednesday, May 14, 2003 12:29 AM
To: ccielab@groupstudy.com
Subject: OSPF basic configuration problem
Hi all.
I've a problem configuring OSPF between two routers via ethernet. The sh
ip
route only shows directly connected networks. I'm pasting the running
config
below. Any help would be appreciated.
---- R1 -----
hostname R1
interface Loopback0
ip address 131.108.4.1 255.255.255.128
!
interface Loopback1
ip address 131.108.4.129 255.255.255.128
!
interface Loopback2
ip address 131.108.5.1 255.255.255.224
!
interface Ethernet0
ip address 131.108.1.1 255.255.255.0
!
interface Serial0
no ip address
shutdown
no fair-queue
!
interface Serial1
no ip address
shutdown
!
interface BRI0
no ip address
shutdown
!
router ospf 1
log-adjacency-changes
network 131.108.1.0 0.0.0.255 area 1
network 131.108.4.0 0.0.0.127 area 1
network 131.108.4.128 0.0.0.127 area 1
network 131.108.5.0 0.0.0.31 area 1
!
ip classless
ip http server
---- R1 -----
hostname R2
!
!
!
!
!
!
ip subnet-zero
!
!
!
!
!
!
interface Loopback0
ip address 131.108.5.3 255.255.255.224
!
interface Loopback1
ip address 131.108.6.1 255.255.255.255
!
interface Loopback2
ip address 131.108.6.2 255.255.255.255
!
interface Ethernet0
ip address 131.108.1.2 255.255.255.0
!
interface Serial0
no ip address
shutdown
no fair-queue
!
interface Serial1
no ip address
shutdown
!
router ospf 2
log-adjacency-changes
network 131.108.1.0 0.0.0.255 area 1
network 131.108.5.32 0.0.0.31 area 1
network 131.108.6.1 0.0.0.0 area 1
network 131.108.6.2 0.0.0.0 area 1
!
ip classless
ip http server
Thanks.
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