[c-nsp] IPv6 Subnetting - Service Provider

[Paul Stewart]

Thanks .. so far we've only ventured into 7600/6500 core equipment but we do
have CMTS to look at in the future .... ;)

-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Bob Snyder
Sent: Thursday, September 11, 2008 4:27 PM
To: cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] IPv6 Subnetting - Service Provider

On Thu, Sep 11, 2008 at 04:11:20PM -0400, Paul Stewart wrote:
> Thanks for the replies...
> 
> Yeah, I'm getting various pieces of feedback - I'm going with the /126 for
> point to point and /128 for loopback on core devices at this point.  I
don't
> trust the autoconfiguration ideas at this point (call it old school)
> anyways...;)

One issue we ran into was that not all the networking gear we had could
support
/126. The vendor's (not Cisco) immature support for IPv6 could only
understand
the concept of /128 loopbacks and /64 subnets.

Device in question was a CMTS.

Bob
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