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
prev parent 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]
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