[quagga-users 11292] Re: Stupid BGP question / problem

Bret Clark bclark at spectraaccess.com
Mon Jan 4 21:54:01 GMT 2010


All iBGP routers must peer with each other, so you have to have the 
Cisco peering not only with Dell-01 but also Dell-02.


ohn Brown wrote:
> Happy New Year folks,
>
> I say this is stupid because it is probably a simple setting or I'm
> forgetting something..
>
> Here is the environment.
>
> 1 Cisco 7507 router running BGP
>
> 2 Dell 2850's running FreeBSD / Quagga (latest version)
>
>
> Cisco ---> Dell-01 <----- Another Provider #1
>               |
>               |
>            Dell-02 <----- Another Provider #2
>
> Cisco, Dell-01 and Dell-02 are all in the same ASN
>
> Provider 1 and 2 are different providers
>
>
> I can bring BGP up from Cisco to Dell-01 (iBGP)
> I can bring BGP up from Dell-01 to Dell-02 (iBGP)
>
> The providers all come up as well (eBGP)
>
> The issue is that routes announced by Cisco to Dell-01 DO NOT propagate
> to Dell-02
>
> I need those routes to come into both Dell's and then go out to the two
> different providers.
>
> I can't for the life of me figure out what is wrong with the scheme.
>
> Any ideas>>
>
> Thanks
>
>
>
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