Re: [Softwires] MAP-E question -- first prefix

Ole Troan <otroan@employees.org> Tue, 09 April 2013 10:51 UTC

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From: Ole Troan <otroan@employees.org>
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Date: Tue, 09 Apr 2013 12:51:10 +0200
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To: Tom Taylor <tom.taylor.stds@gmail.com>
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Subject: Re: [Softwires] MAP-E question -- first prefix
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Tom,

> In Section 5.2 of -map-05, there is the paragraph:
> 
> The MAP subnet ID is defined to be the first subnet (all bits set to
>   zero).  Unless configured differently, a MAP node MUST reserve the
>   first IPv6 prefix in an End-user IPv6 prefix for the purpose of MAP.
> 
> Question: does the second sentence say anything different from the first one?
> 
> Question: if the MAP node is configured differently, how will other nodes be able to synthesize its MAP IPv6 address from the FMR?

all nodes within the domain must use the same subnet-id. perhaps we could make that clearer.

cheers,
Ole