[6bone] Problems with big packets!?

[John Fraizer]

And how is it that you're seeing packets that are larger than the MTU of
the interface?  If you run into that with a TCP packet, the bottleneck is
going to send traffic back down the stream telling the sending station to
reduce the size of the traffic.  You're not going to see that happen with
an ICMP packet of 5000bytes.  It simply gets dropped.



---
John Fraizer              | High-Security Datacenter Services |
EnterZone, Inc            | Dedicated circuits 64k - 155M OC3 |
http://www.enterzone.net/ | Virtual, Dedicated, Colocation    |


On Fri, 4 Oct 2002, Andy Furnell wrote:

> On Fri, Oct 04, 2002 at 02:37:54PM -0400, John Fraizer wrote:
> > 
> > 
> > Um, What is the problem?
> > 
> >  You're _NEVER_ going to encounter a 1000 byte packet, let alone a 5000
> > byte packet in "the wild".
> > 
> 
> I disagree,
> 
> I regularly see packets of 1000 bytes and above on applications such as
> NNTP and FTP. Pinging with large packet sizes is often the best way to
> determine faults with various networking media. Although in a tunneled
> IPv6 context (especially given the size of the IPv6 header) you're
> likely to see some pretty funky things happen when pinging with packets
> much larger than 1200 bytes.
> 
> A
> 
> -- 
> Andy Furnell
> andy@ipng.org.uk
>