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Re: [Pppext] draft-simpson-isis-ppp-unique-00b

William Allen Simpson <william.allen.simpson@gmail.com> Tue, 29 March 2011 17:46 UTC

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Date: Tue, 29 Mar 2011 13:47:37 -0400
From: William Allen Simpson <william.allen.simpson@gmail.com>
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Subject: Re: [Pppext] draft-simpson-isis-ppp-unique-00b
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On 3/29/11 8:31 AM, Donald Eastlake wrote:
> I mentioned yesterday at the ISIS Working Group meeting that this
> draft was coming.
>
Tried listening, but missed the first 40 minutes as I'd thought it was
UTC+1 -- it was UTC+2.


>>    Typically, IS-IS implementations base the identifier on an existing 6
>>    octet Media Access Control (MAC) identifier defined for one of its
>>    link-layer interfaces.  The 48-bit MAC is composed of a 24-bit
>
> "... is *usually* composed ..."
> Also add a reference to [RFC3452].
>
"FEC Building Block"?  Obsoleted by: 5052, 5445?


> These days you can get an 36 bit prefix, called an Individual Address
> Block, which is cheaper than a 24 bit OUI pre-fix.
>
OK.


>>    Some systems have only point-to-point links without any conveniently
>>    available MAC, and do not have a configured identifier.  This status
>>    might change dynamically, as hot swap interfaces are added or
>>    removed.
>
> Suggest "only point-to-point links without any conveniently available
> MAC" ->  "only point-to-point or other links that do not have an
> associated MAC address"
>
> There could be some exotic link that isn't p2p but doesn't use MAC addresses.
>
OK.

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