The MPLS WG Archive

["Carr, Richard" <Richard.Carr@gpcinternational.com>]

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-----Original Message-----
From: Eric Gray [mailto:eric.gray@sandburst.com]
Sent: Tuesday, May 29, 2001 3:24 PM
To: gopinathg
Cc: MPLS Mailing List
Subject: Re: Address Table & ER-Hop


Gopinath,


> Hi
>
>  what does the peer addresses table in LDP specify ?
>
> MPLS inteface addresses of the peer alone or  non-mpls interface addresses
> or the peer also?.

It specifies addresses which might appear in the local peer's
route table as a next hop corresponding to a given remote peer.

See section 2.7, "LDP Identifiers and Next Hop Addresses" in
RFC 3036.


> Hi
>
>   Does  ER-HOP contains only Router-Id or any of its interface addresses?
> If it contains interface addresses then will it be MPLS capable interface
> addresses or can be non-mpls capable addresses also.
>

This is not specified and either may be used.  See section 4.2 of -

"http://www.ietf.org/internet-drafts/draft-ietf-mpls-cr-ldp-05.txt"

- and sections 4.3.2 and 4.3.3 of -

"http://www.ietf.org/internet-drafts/draft-ietf-mpls-rsvp-lsp-tunnel-08.txt"

for information on the types of 'addresses' that may appear in an
ER-Hop or ERO Subobject (respectively)...

--
Eric Gray



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