announcing BGP prefixes from the same AS at different sites?

[Raphael Mazelier]

Le 30/08/2014 01:36, Tom Daly a écrit :
> Hi,
> It sounds like you might want to try disabling aspath loop detection for
> eBGP. Checkout the bird option called "allow local as [number]" as
> documented at http://bird.network.cz/?get_doc&f=bird-6.html#ss6.2. This
> will allow you to import prefixes with your own ASN in the aspath.
>
> However, one possible pitfall is that your upstream ISP's router might
> try to be smart - and not send prefixes with your aspath in them too.
> Older Foundry boxes do this and there is a per BGP peer knob you have to
> turn.
>
> Overall, this should let you run everything over eBGP and run two simple
> island networks.
>
> Cheers,
> Tom
>
>

Unfortunately proper ISPs make their job good and does not advertise 
your own route. I have a Pop in the same configuration of yours.
Two solution : IBGP in a GRE tunnel, it's uggly, but It works.
Or static route :)

-- 
Raphael Mazelier
AS39605