At Thu, 14 May 2009 14:42:35 -0700,
"Kevin Oberman" wrote:
> I then captured the ICMP and discovered that the kernel was fragmenting
> all of them! Worse, the fragment was sent out before the ICMP! What the
> heck is going on! Thread synchronization?
>
> When I captured the packets (via tcpdump
Steve Bertrand wrote:
> Kevin Oberman wrote:
>
>> Second, why the heck is the fragment going out first? This should be OK,
>> but I suspect many firewalls (which are often not happy with fragments)
>> are not likely to pass a fragment which precedes the initial frame.
>
> I'll try to find some ti
Kevin Oberman wrote:
> Second, why the heck is the fragment going out first? This should be OK,
> but I suspect many firewalls (which are often not happy with fragments)
> are not likely to pass a fragment which precedes the initial frame.
I'll try to find some time today to see if I can replicat
On Thu, 14 May 2009, Kevin Oberman wrote:
Hi,
Date: Fri, 15 May 2009 00:09:02 +0200 (CEST)
From: sth...@nethelp.no
First, why is the kernel fragmenting this at all as it fits in the
interface MTU?
Good question, I definitely disagree with this behavior and would say
that it breaks POLA. But
> Date: Fri, 15 May 2009 00:09:02 +0200 (CEST)
> From: sth...@nethelp.no
>
> > First, why is the kernel fragmenting this at all as it fits in the
> > interface MTU?
>
> Good question, I definitely disagree with this behavior and would say
> that it breaks POLA. But it's documented (see the ping6
> First, why is the kernel fragmenting this at all as it fits in the
> interface MTU?
Good question, I definitely disagree with this behavior and would say
that it breaks POLA. But it's documented (see the ping6 -m option).
> Can anyone fetch anything from ftp.funet.fi via IPv6? I suspect it is
>
I have recently noticed problems with data transfers via IPv6. Attempt
to fetch files from dome sites was hanging as soon as the data started
to flow. Felt like an MTU issue, so I tried sending various sizes of
ICMP echo (ping) packets and discovered that I could not send a packet
of over 1280 byte