Hi All,
I came across some text in RFC 2453 (RIPv2) which has confused me. It
would be great if someone can clarify this for me. I searched the net and
looked through the errata but could not find any reference to this.
In section 3.9.1 of RFC 2453
(http://tools.ietf.org/html/rfc2453#section-3.9.1), in second para, following
text is available:
<quote>
There is one special case. If there is exactly
one entry in the request, and it has an address family identifier of
zero and a metric of infinity (i.e., 16), then this is a request to
send the entire routing table.
<unquote>
In section 4.1 of same RFC (http://tools.ietf.org/html/rfc2453#section-4.1), in
first para, following text is available:
<quote>
If the Address Family Identifier of the first (and
only the first) entry in the message is 0xFFFF, then the remainder of
the entry contains the authentication.
<unquote>
Now what has confused me is that if a router is configured to use
authentication, how should its 'request' message for full routing table look?
Should it go without authentication information or with authentication
information?
If it goes with authentication information then it is not conforming to the
statement of 3.9.1. If it goes without authentication information then it is
not conforming to the user configuration and also there may be security issues.
Regards,
Bharat
PS: I am currently not subscribed to RTG working group mailing list, so please
reply all so that I can get your reply.
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