RE: RIP offset list question

Previous tasks did not ask to configure "no auto-summary" under RIP process.
Date: Sun, 11 Oct 2009 16:18:58 -0700
Subject: Re: RIP offset list question
From: kaushalccie_at_gmail.com
To: khalid_khursheed_at_hotmail.com
CC: ccielab_at_groupstudy.com

Hi....

I cann't see " no auto-summary" under RIP.....

-Kaushal

On Sun, Oct 11, 2009 at 3:27 AM, Syed Khalid Ali
<khalid_khursheed_at_hotmail.com> wrote:

I have the following scenario (from Narbik Workbook):

                     |--- R2

                     |

BB1 --- R1-- FR p2p --R4

IP addresses are as follows:

BB1 fa0/0: 131.1.111.111/24

R1 fa0/0: 130.1.111.111/24

R1 ser2/0.14: 131.1.14.1/24

R4: ser2/0.14: 131.1.4.4/24

R1 configuration:

ip access-list standard bb1-routes

 permit 107.1.1.0 0.0.0.127

!

router rip

 version 2

 no validate-update-source

 offset-list bb1-routes out 14 Serial2/0.14

 network 130.1.0.0

 network 131.1.0.0

 distribute-list prefix bb1-prefixes gateway bb1-source in FastEthernet0/0

!

R1 has the following routes (learned from BB1) that need to advertised to R4

such that R4 should not advertise to its neighbor routers:

show ip route | be Gateway

Gateway of last resort is 131.1.12.2 to network 0.0.0.0

     109.0.0.0/22 is subnetted, 1 subnets

R 109.1.4.0 [120/1] via 131.1.111.111, 00:00:26

     107.0.0.0/25 is subnetted, 1 subnets

R 107.1.1.0 [120/1] via 131.1.111.111, 00:00:18

     104.0.0.0/11 is subnetted, 1 subnets

R 104.0.0.0 [120/1] via 131.1.111.111, 00:00:18

     105.0.0.0/14 is subnetted, 1 subnets

R 105.0.0.0 [120/1] via 131.1.111.111, 00:00:18

R* 0.0.0.0/0 [120/1] via 131.1.12.2, 00:00:06, Serial2/0.12

After setting this configuration 107.1.1.0 should be advertised to R4 with

metric=14. But when I check the route table of R4, this 107.0.0.0/8 is still

there reachable with metric=1

If I change the access list with 107.0.0.0 0.0.0.127, R1 start advertising

with metric=14 and therefore R4 has this route with metric=15 in it route

table.

I need explanation from expert on this group.
Received on Mon Oct 12 2009 - 13:00:25 ART