Subject: RE: [Isis-wg] draft-ietf-isis-hmac-03.txt

From: Jeff Parker <[email-masked]>
Date: Tue, 3 Jul 2001 09:40:44 -0400

>  | The text suggests that you run the checksum over the PDU.
>  | A brief look at the use of the term PDU in 10589 includes 
>  | usage where the header is part of the PDU: you should make 
>  | clear that you do not checksum the header.  
> 
> 
> Ummm... to be specific here, the intent is that you run the 
> checksum over the IS-IS PDU, including the fixed length header.  
> But not the link layer header.  Is that not what you understood 
> from the existing text?  I've tried to reinforce this by specifically 
> mentioning the "IS-IS PDU" vs. the "PDU".
> 
> Tony

Color me confused.  My concern was the Remaining Lifetime field.  
You describe how to deal with that quite clearly in the second 
paragraph of section 2.  

- jeff parker 
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