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Re: question about PIM Null-Registers


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  • From: "Charles R. Anderson" <>
  • To:
  • Subject: Re: question about PIM Null-Registers
  • Date: Mon, 19 May 2003 15:16:33 -0400
On Mon, May 19, 2003 at 12:06:32PM -0700, Tom Pusateri wrote:
pusateri> The TTL of the dummy ip header is not significant. It gets set to 0
when
pusateri> we zero the dummy ip header and is ignored. The only two fields that
pusateri> are significant in the dummy ip header are the source and
destination
pusateri> (group) ip address.

The checksum field must also be correct, as I recently discovered.
Juniper will drop Null-Registers with a bad encapsulated IP checksum.

Thank you for the clarifications.

--
Charles R. Anderson
Network Engineer
Computing and Communications Center
Worcester Polytechnic Institute


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