Re: [v4v6interim] Fragmentation Options in NAT6 presentation
"Wes Beebee (wbeebee)" <wbeebee@cisco.com> Fri, 03 October 2008 18:35 UTC
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Thread-Topic: [v4v6interim] Fragmentation Options in NAT6 presentation
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From: "Wes Beebee (wbeebee)" <wbeebee@cisco.com>
To: Hiroshi MIYATA <miyata@tahi.org>, v4v6interim@ietf.org
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Subject: Re: [v4v6interim] Fragmentation Options in NAT6 presentation
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Some SP's may view ICMP as an attack vector and may explicitly block ICMP messages. In this case, the only way to get connectivity for packets that are too large is to fragment. - Wes -----Original Message----- From: v4v6interim-bounces@ietf.org [mailto:v4v6interim-bounces@ietf.org] On Behalf Of Hiroshi MIYATA Sent: Friday, October 03, 2008 5:31 AM To: v4v6interim@ietf.org Subject: [v4v6interim] Fragmentation Options in NAT6 presentation Jennings, FYI. Though it is already clearly explained by Dave, let me give you the pointer. The answer for your question of "Fragmentation options" is clearly stated in RFC2765(SIIT) as end-to-end path MTU discovery. See Section 3 and 4. And of course RFC1981(PMTUD) is compliant with it. ;-) Chap. 4 Note: A node may receive a Packet Too Big message reporting a next-hop MTU that is less than the IPv6 minimum link MTU. In that case, the node is not required to reduce the size of subsequent packets sent on the path to less than the IPv6 minimun link MTU, but rather must include a Fragment header in those packets [IPv6- SPEC]. It must work well. ;-) Regards, ....miyata _______________________________________________ v4v6interim mailing list v4v6interim@ietf.org https://www.ietf.org/mailman/listinfo/v4v6interim _______________________________________________ v4v6interim mailing list v4v6interim@ietf.org https://www.ietf.org/mailman/listinfo/v4v6interim
- [v4v6interim] Fragmentation Options in NAT6 prese… Hiroshi MIYATA
- Re: [v4v6interim] Fragmentation Options in NAT6 p… Wes Beebee (wbeebee)
- Re: [v4v6interim] Fragmentation Options in NAT6 p… Eric Vyncke (evyncke)
- Re: [v4v6interim] Fragmentation Options in NAT6 p… Hiroshi MIYATA
- Re: [v4v6interim] Fragmentation Options in NAT6 p… Brian E Carpenter
- Re: [v4v6interim] Fragmentation Options in NAT6 p… Hiroshi MIYATA
- Re: [v4v6interim] Fragmentation Options in NAT6 p… Wes Beebee (wbeebee)
- Re: [v4v6interim] Fragmentation Options in NAT6 p… Eric Vyncke (evyncke)
- Re: [v4v6interim] Fragmentation Options in NAT6 p… Fred Baker
- Re: [v4v6interim] Fragmentation Options in NAT6 p… Rémi Denis-Courmont
- Re: [v4v6interim] Fragmentation Options in NAT6 p… Brian E Carpenter
- Re: [v4v6interim] Fragmentation Options in NAT6 p… Mark Andrews
- Re: [v4v6interim] Fragmentation Options in NAT6 p… Dan Wing
- Re: [v4v6interim] Fragmentation Options in NAT6 p… Magnus Westerlund
- Re: [v4v6interim] Fragmentation Options in NAT6 p… Brian E Carpenter
- Re: [v4v6interim] Fragmentation Options in NAT6 p… Rémi Denis-Courmont
- Re: [v4v6interim] Fragmentation Options in NAT6 p… Iljitsch van Beijnum
- Re: [v4v6interim] Fragmentation Options in NAT6 p… Eric Vyncke (evyncke)