[j-nsp] How does multihop eBGP work?

[Aaron Dewell]

Sure.  Everything is actually routed hop-by-hop.  As you've observed, that's a serious obstacle to multihop eBGP.

Most uses I've seen involve crossing a non-BGP router to a customer, and redistributing whatever the customer advertises into their IGP.  Klunky for sure, but it does work.

Aaron

On Jun 24, 2011, at 10:33 AM, Mike Williams wrote:

> Hey guys,
> 
> I've got a situation I think I need multihop bgp for (logical-systems and 
> bridge-domains).
> However it bugs me deeply that I don't "get" multihop BGP.
> 
> My biggest bugbear is if my multihop-ebgp peer tells me he know the best way 
> to x.x.x.x, the packets I send towards him must be routed by intermediaries, 
> will those intermediaries use their tables and "hijack" my packets down their 
> bits of wet string through 15 other ASs and to the moon and back?
> 
> Thanks
> 
> -- 
> Mike Williams
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