[c-nsp] RFC2547bis, 10) Option B

[Oliver Boehmer (oboehmer)]

Saku Ytti <> wrote on Saturday, March 25, 2006 11:14 AM:

 
> RFC2547Bis section 10, option B states:
> ###
> An ASBR should never accept a labeled packet from an EBGP peer unless
> it has actually distributed the top label to that peer.
> ###
> 
> Has anyone verified that this is honored by vendors, namely vendors
> CSCO and JNPR?

IOS has not (yet?) implemented this check for InterAS, it is implemented
for CsC, though.
Please check RFC4381, 4.2 for a discssion about this, essentially any
InterAS setup requires a trust relationship for this model to work
securely.

	oli