Re: Community NO-EXPORT

[Bradley Dunn <bradley () dunn org>]

On Wed, Aug 23, 2000 at 10:03:21AM -0400, Kai Schlichting wrote:
> Correct me if I'm wrong, but isn't there a synchronization issue here
> as well? E.g.: AS2 is transit provider, probably has bgp synchronization
> on (default), and will only propagate routes to other AS's that have
> made it into their IGP. The question then is: have all 3 routes made
> it into AS2's IGP successfully? Only if the answer is yes, will it
> actually propagate that /16.

Synchronization is almost universally disabled in the real world.

None of the IGPs in use today would cope well with a full BGP
table redistributed into them. Redistribution of BGP->IGP is
rarely needed or advisable.