[153869] in North American Network Operators' Group
RE: IPv6 Lo. for 6PE/6VPE
daemon@ATHENA.MIT.EDU (Nagendra Kumar (naikumar))
Fri Jun 15 06:52:33 2012
From: "Nagendra Kumar (naikumar)" <naikumar@cisco.com>
To: Daniel Roesen <dr@cluenet.de>, "nanog@nanog.org" <nanog@nanog.org>
Date: Fri, 15 Jun 2012 10:52:17 +0000
In-Reply-To: <20120615103207.GA20157@srv03.cluenet.de>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
Hi,
Per my understanding, it is not required to have ipv6 address in loopback i=
ntf on all P routers inorder to have 6PE work. If I remember it correctly, =
P router will use ::FFFF::<ipv4-addr> while originating ICMPv6 error messag=
e.
-Nagendra
-----Original Message-----
From: Daniel Roesen [mailto:dr@cluenet.de]=20
Sent: Friday, June 15, 2012 4:02 PM
To: nanog@nanog.org
Subject: Re: IPv6 Lo. for 6PE/6VPE
On Fri, Jun 15, 2012 at 11:56:05AM +0200, mohamed Osama Saad Abo sree wrote=
:
> I was just wondering , while I'm planning my network to support=20
> 6PE/6VPE why should i assign an IPv6 for Loopbacks?
>=20
> Maybe it's needed for Point-Point links or external interfaces between=20
> my peers, but anyone here know why i should assign IPv6 for all my=20
> Routers inside my ISP if we will run PE/6VPE not dual stack.
Otherwise the intermediate P devices do not have an address to source
ICMPv6 "hop count exceeded" error replies =3D> traceroute doesn't work prop=
erly.
Best regards,
Daniel
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