From: Lala Lander (sshafi@gmail.com)
Date: Sat Aug 16 2008 - 21:55:09 ART
On Sat, Aug 16, 2008 at 3:38 PM, Lala Lander <sshafi@gmail.com> wrote:
> Hi guys,
>
>
>
> Please help me with this little issue.
>
> How does set ip next-hop suppose to work? let say I have R1 and R2. R1 has
> a s1/0 interface to ISP router and it is configured for PBR for any traffic
> originating from internal lan say subnet 10.10.10.0/24. The next hop is
> set for ISP interface i.e
>
>
>
> route-map blah permit 10
>
> match ip address 1
>
> set ip next-hop 172.1.1.2
>
>
>
> Now Scenario1>>assume ISP next hop is NOT reachable and interface s1/0 is
> in up/down state. Will router try PBR first and then normal routing or kept
> trying PBR, hence dropping all 10.10.10.0/24 traffic?
>
>
>
> Scenario2>> assume ISP next hop is NOT reachable and interface s1/0 is in
> down/down state. Will router try PBR first and then normal routing or kept
> trying PBR, hence dropping all 10.10.10.0/24
>
>
>
> I am seeing traffic is blackholed ONLY when s1/0 is down/down otherwise R1
> uses normal routing and routes 10.10.10.0/24 network via iBGP etc.
>
>
>
> Please help as according to doyle's book even with up/down, the traffic
> should be blackholed.
>
>
>
> I have no way of verifying it but appreciate your help here.
>
> thnaks,
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