From: Boehmler, James T (Jim) (BoehmJT@xxxxxxxxxxxxxxxxxxxxxx)
Date: Thu May 10 2001 - 21:34:15 GMT-3
Louie,
R2 will only look for a /24 on networks that are in the same classful
network that you are using on R2's link to R1. It will see all other
networks that it gets routing updates for as the classful address just as
you are seeing. Try changing 66.1.1.0/24 to 65.1.2.0/24 to try it out.
Now, not sure why you needed to summarize those routes to make them show up
on R2, but do they all show up in R1's routing table as connected or coming
from a routing protocol? Did you redistribute connected?
HTH,
Jim
-----Original Message-----
From: louie kouncar [mailto:lkouncar@UU.NET]
Sent: Thursday, May 10, 2001 5:57 PM
To: ccielab@groupstudy.com
Subject: Please Help Solve this redistribution Problem
Group,
I have a weird situation that is driving me nuts, here is the scenario:
R4
|
|
R2-----------------------------R1--------------------------------R3
|
|
R5
R1 is running RIP with R2
R1 is running OSPF area 0 with R5
R1 is running IGRP with R3
R1 is running OSPF area 2 with R4
Here is the link configurations:
All links are Point-to-Point serial
Network assignments are:
65.1.1.0/24 between R1 and R2
66.1.1.0/24 between R1 and R5
67.1.1.0/24 between R1 and R3
68.1.1.0/24 between R1 and R4
Also R5 has a LO0 int 170.1.1.1/24 that is also in ospf area 0
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!PROBLEM!!!!!!!!!!!!!!!!!!!!!!!!!
If the link between R1 and R2 is a /24 and I am redistributing all the
Protocols into each other, Why does R2 see those networks as a classfull
networks {66.0.0.0/8, 67.0.0.0/8, 170.1.0.0/16, 68.0.0.0/8} and not
/24's......????
Also, I had to summarize the /24 ospf networks on R1 to /8's so that they
show up in R2's routing table, This is opposite to everything I have done so
far and is driving me nuts, I thought that if you have a /24 link in a RIP
or IGRP domain, only /24's are sent into it..
Please tell me that I am not crazy...........
R2#sh ip route
Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, * - candidate
default
U - per-user static route, o - ODR
Gateway of last resort is not set
R 68.0.0.0/8 [120/1] via 65.1.1.1, 00:00:02, Serial0
R 170.1.0.0/16 [120/1] via 65.1.1.1, 00:00:03, Serial0
65.0.0.0/24 is subnetted, 1 subnets
C 65.1.1.0 is directly connected, Serial0
R 66.0.0.0/8 [120/1] via 65.1.1.1, 00:00:03, Serial0
R 67.0.0.0/8 [120/1] via 65.1.1.1, 00:00:03, Serial0
Thank you....................
Louie J. Kouncar
TCO3 Senior Data Center Engineer
UUNET
W-703-343-6645
C-703-304-2460
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