From: Schoeneman Steve (gs@grimnotions.com)
Date: Mon Oct 22 2007 - 15:31:51 ART
I had a similar problem on this lab that turned out to be a typo when
applying the route-map to redistribution into RIP. I looked at it for
hours and missed my dyslexic typing. You might check R3's
redistribution from OSPF into RIP and make sure it's configured
correctly.
HTH,
Steve
On Oct 21, 2007, at 12:45 AM, Jo Knight wrote:
> Hi GS,
>
> I am working through this task, and am having trouble with the task
> to get SW2 to use the optimal routing paths. Can someone who knows
> this lab please offer some assistance.
>
>
> SW2
>
> R 204.12.1.0/24 [120/2] via 163.1.18.1, 00:00:01, FastEthernet0/21
> R 163.1.35.0/24 [120/2] via 163.1.18.1, 00:00:01,
> FastEthernet0/21
> R 163.1.45.0/24 [120/2] via 163.1.18.1, 00:00:01,
> FastEthernet0/21
> R 163.1.54.0/24 [120/2] via 163.1.18.1, 00:00:01,
> FastEthernet0/21
> R 163.1.57.0/24 [120/2] via 163.1.18.1, 00:00:01,
> FastEthernet0/21
> R 163.1.6.0/24 [120/2] via 163.1.18.1, 00:00:02,
> FastEthernet0/21
> R 163.1.4.0/24 [120/2] via 163.1.18.1, 00:00:02,
> FastEthernet0/21
> R 163.1.5.0/24 [120/2] via 163.1.18.1, 00:00:02,
> FastEthernet0/21
> R 163.1.13.3/32 [120/2] via 163.1.18.1, 00:00:02,
> FastEthernet0/21
> R 163.1.15.0/24 [120/2] via 163.1.18.1, 00:00:02,
> FastEthernet0/21
> R 163.1.12.0/24 [120/2] via 163.1.18.1, 00:00:02,
> FastEthernet0/21
> R 163.1.13.0/24 [120/2] via 163.1.18.1, 00:00:02,
> FastEthernet0/21
> R 192.10.1.0/24 [120/2] via 163.1.18.1, 00:00:03, FastEthernet0/21
> R 150.1.6.0/24 [120/2] via 163.1.18.1, 00:00:03,
> FastEthernet0/21
> R 150.1.4.0/23 [120/2] via 163.1.18.1, 00:00:03,
> FastEthernet0/21
> R 150.1.3.0/24 [120/2] via 163.1.18.1, 00:00:03,
> FastEthernet0/21
> R 150.1.2.0/24 [120/2] via 163.1.18.1, 00:00:03,
> FastEthernet0/21
> R 150.1.1.0/24 [120/2] via 163.1.18.1, 00:00:03,
> FastEthernet0/21
>
> offset-list 1 in 2 FastEthernet0/20
> offset-list 0 in 1 FastEthernet0/21
>
> access-list 1 permit 150.1.6.0
> access-list 1 permit 150.1.2.0
> access-list 1 permit 150.1.1.0
> access-list 1 permit 163.1.6.0
> access-list 1 permit 163.1.12.0
> access-list 1 permit 204.12.1.0
>
> I have the offset lists configured on SW2 that matches networks
> behind R1. My understanding of this is that all routes that match
> access-list 1 will be offset by 2 for these routes recieved on
> interface F0/20 (which is connected to R3), which in turn will
> prefer them to be sent via F0/21 through R1. All other routes will
> be offset by 1 so should be preferred via F0/20 and be sent to R3.
>
> My problem seems to be that by default all routes are preferred
> from R1 (via F0/21) so whatever I do it never prefers the routes
> via R3 (F0/20).
>
> Thanks,
> Jo
>
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