netdev.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Patrick McHardy <kaber@trash.net>
To: Chuck Anderson <cra@WPI.EDU>
Cc: netdev@vger.kernel.org
Subject: Re: "ping6 -M do" fragments packets
Date: Fri, 12 Oct 2007 19:17:50 +0200	[thread overview]
Message-ID: <470FAC3E.7050501@trash.net> (raw)
In-Reply-To: <20071012163202.GW4751@angus.ind.WPI.EDU>

Chuck Anderson wrote:
> On Fri, Oct 12, 2007 at 06:00:12PM +0200, Patrick McHardy wrote:
> 
>>>>ping6 -M do -s 65527 www.kame.net
>>>
>>>Sure enough, wireshark reports fragments:
>>>
>>>No.     Time        Source                Destination           Protocol Info
>>>      1 0.000000    2001:468:616:8c9:213:72ff:fe74:da15 2001:200:0:8002:203:47ff:fea5:3085 IPv6     IPv6 fragment (nxt=ICMPv6 (0x3a) off=0 id=0x79)
>>>      2 0.000007    2001:468:616:8c9:213:72ff:fe74:da15 2001:200:0:8002:203:47ff:fea5:3085 IPv6     IPv6 fragment (nxt=ICMPv6 (0x3a) off=1448 id=0x79)
>>
>>Are you using nf_conntrack_ipv6?
> 
> 
> No:
> 
> [...]


Works for me:

$ ping6 -M do -s 65527 www.kame.net -n -c 1
PING www.kame.net(2001:200:0:8002:203:47ff:fea5:3085) 65527 data bytes
>From 2001:6f8:974:0:21b:21ff:fe02:6fad icmp_seq=1 Packet too big: mtu=1500

--- www.kame.net ping statistics ---
0 packets transmitted, 0 received, +1 errors


      reply	other threads:[~2007-10-12 17:18 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-10-12 15:18 "ping6 -M do" fragments packets Chuck Anderson
2007-10-12 16:00 ` Patrick McHardy
2007-10-12 16:32   ` Chuck Anderson
2007-10-12 17:17     ` Patrick McHardy [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=470FAC3E.7050501@trash.net \
    --to=kaber@trash.net \
    --cc=cra@WPI.EDU \
    --cc=netdev@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).