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BGP attributes through IGP
- Subject: BGP attributes through IGP
- From: saku at ytti.fi (Saku Ytti)
- Date: Fri, 7 Mar 2014 09:11:50 +0200
- In-reply-to: <[email protected]>
- References: <CAJfNY9sxH9Nr2K-JgmbESQ8T9x5Q+6EYucP=0rx70kLRYYFfvA@mail.gmail.com> <[email protected]> <[email protected]>
On (2014-03-07 10:49 +1030), Glen Turner wrote:
> That's pretty much what the OSPF tag and the BGP's synchronisation with OSPF were originally intended for.
1403 (1364) is historic and never referenced by OSPF standard. Original
intention for external tag is unspecified information carried between AS
borders.
> However it's pretty much a design misfeature and you'd be happier with iBGP over a tunnel
Agreed. If this is common requirement, nothing stopping figuring out new
LSA/LSP to properly carry BGP information. Of course won't be solution for
near-term, unless OP controls the edge and uses open source implementation, in
which case he might send this information in opaque LSA.
--
++ytti