RE: [pim] Question about TTL field in dense mode state refresh message

[<Sowmya.Krishnaswamy at nokia.com>]

Title: Question about TTL field in dense mode state refresh message

To simplify my question:

 

Would we ever see a TTL of 0, in the received state refresh message?

 

Thanks,

Sowmya

 

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From: ext pim-bounces at ietf.org [mailto:pim-bounces at ietf.org]
Sent: Tuesday, June 27, 2006 3:31 PM
To: pim at ietf.org
Subject: [pim] Question about TTL field in dense mode state refresh message

Hello,

The PIM-DM rfc 3973 describes the pseudo code for forwarding the state refresh message in section 4.5.1. In the pseudo code there is a for loop where we walk the list of interfaces with pim nbrs and inside the loop we check if the TTL in the state refresh message is 0, we skip refreshing the prune state of this interface and skip forwarding the state refresh message out this interface.

Is it safe to skip processing the state refresh message when the TTL in the state refresh message is 0?

Could  we do this check outside the for loop in the pseudocode?

Thanks,
Sowmya

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