Re: Need help wtih BGP Inject

Thanks Steve, that was what I was missing. Apparently the route being
injected does not need to exist in the route-table of the device doing the
injection. In this case it was R2.

On Sat, Jul 17, 2010 at 8:44 PM, Steve Shaw <shaw38_at_gmail.com> wrote:

> Add "match ip route-source prefix-list xxx" under the exist-map with the
> corresponding peer that the aggro is learned referenced in the prefix-list.
>
> On Jul 17, 2010 9:20 PM, "Brad Edgeworth" <edgie512_at_gmail.com> wrote:
>
> I need some help with the rules on BGP Injectection, and cannot find a
> magic
> recipe for getting it to work. From what I've read from the DocCD it's
> similar to an unsupress-map; but can be done on the non-aggregating
> router....
>
> Looking at the example which is only running BGP, what's wrong:
>
> *R1:*
> int fa0/0
> ip address 1.1.1.1 255.255.255.0
>
> int fa0/1
> ip address 12.12.12.1 255.255.255.0
>
> int lo101
> ip add 172.16.1.0 255.255.255.0
>
> int lo102
> ip add 172.16.2.0 255.255.255.0
>
> int lo103
> ip add 172.16.3.0 255.255.255.0
>
> router bgp 1
> neighbor 12.12.12.2 remote-as 2
> network 1.1.1.0 mask 255.255.255.0
> network 12.12.12.0 mask 255.255.255.0
> network 172.16.1.0 mask 255.255.255.0
> network 172.16.2.0 mask 255.255.255.0
> network 172.16.4.0 mask 255.255.255.0
> aggregate-address 172.16.0.0 255.255.0.0 summary-only
>
>
> *R2:*
> int fa0/0
> ip address 12.12.12.2 255.255.255.0
>
> int fa0/1
> ip address 23.23.23.3 255.255.255.0
>
> router bgp 2
> neighbor 12.12.12.1 remote-as 1
> neighbor 23.23.23.3 remote-as 3
> network 12.12.12.0 mask 255.255.255.0
> network 23.23.23.0 mask 255.255.255.0
> bgp inject-map INJ exist-map AGGMAP
>
> route-map AGGMAP permit 10
> match ip address prefix-list AGG
>
> route-map INJ permit 10
> set ip address prefix-list INJ
> set origin igp
> ip prefix-list AGG seq 5 permit 172.16.0.0/16
> ip prefix-list INJ seq 5 permit 172.16.1.128/25
>
>
> *R3:*
> int fa0/0
> ip address 23.23.23.3 255.255.255.0
>
> int fa0/1
> ip address 3.3.3.3 255.255.255.0
>
> router bgp 3
> neighbor 23.23.23.2 remote-as 2
> network 3.3.3.0 mask 255.255.255.0
> network 23.23.23.0 mask 255.255.255.0
>
>
>
> So I know the route I'm injecting doesn't exist on R1; but no IGP is
> running. When I do a 'show ip bgp-inject' I don't get anything.
> What's wrong and why? Thanks
>
>
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Received on Sat Jul 17 2010 - 21:21:43 ART