The MPLS WG Archive

[David Charlap <david.charlap@marconi.com>]

Jia Hong wrote:
> 
>            Thank You for your response. I was talking
> of RSVP-TE. What if neighbr node does not respond to
> hello messages i.e. it is just ignoring the hello
> messages. Should I decide that node has gone down but
> actually it is not.

If the neighbor node has never responded to a Hello message, you should
assume that the neighbor doesn't support the Hello extension.

If the neighbor was responding, and has since stopped, you should assume
that it has gone down.  That's what the purpose of Hello is for.

-- David