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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 12:35:34 -0400

On Thu, May 15, 2003 at 07:46:40PM -0700, Tom Pusateri wrote:
pusateri> We zero the dummy ip header and only fill in the source and group
address.
pusateri> This means the protocol type is 0 and there is no transport header.

Thanks. What about the TTL of the encapsulated Null packet? Is that
expected to be decremented once/twice like regular Register encapsulated
packets? Do you set the TTL to zero, or something else?

The pim draft isn't clear on these aspects.

Thanks.

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




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