nanog mailing list archives
Re: Thoughts on increasing MTUs on the internet
From: Pierfrancesco Caci <p.caci () seabone net>
Date: Thu, 12 Apr 2007 12:02:41 +0200
:-> "Iljitsch" == Iljitsch van Beijnum <iljitsch () muada com> writes: > Dear NANOGers, > It irks me that today, the effective MTU of the internet is 1500 > bytes, while more and more equipment can handle bigger packets. > What do you guys think about a mechanism that allows hosts and > routers on a subnet to automatically discover the MTU they can use > towards other systems on the same subnet, so that: > 1. It's no longer necessary to limit the subnet MTU to that of the > least capable system > 2. It's no longer necessary to manage 1500 byte+ MTUs manually > Any additional issues that such a mechanism would have to address? wouldn't that work only if the switch in the middle of your neat office lan is a real switch (i.e. not flooding oversize packets to hosts that can't handle them, possibly crashing their NIC drivers) and it's itself capable of larger MTUs? Pf -- ------------------------------------------------------------------------------- Pierfrancesco Caci | Network & System Administrator - INOC-DBA: 6762*PFC p.caci () seabone net | Telecom Italia Sparkle - http://etabeta.noc.seabone.net/ Linux clarabella 2.6.12-10-686-smp #1 SMP Fri Sep 15 16:47:57 UTC 2006 i686 GNU/Linux
Current thread:
- Thoughts on increasing MTUs on the internet Iljitsch van Beijnum (Apr 12)
- Re: Thoughts on increasing MTUs on the internet Pierfrancesco Caci (Apr 12)
- Re: Thoughts on increasing MTUs on the internet Iljitsch van Beijnum (Apr 12)
- Re: Thoughts on increasing MTUs on the internet Stephen Wilcox (Apr 12)
- Re: Thoughts on increasing MTUs on the internet Iljitsch van Beijnum (Apr 12)
- Re: Thoughts on increasing MTUs on the internet Saku Ytti (Apr 12)
- Re: Thoughts on increasing MTUs on the internet Mikael Abrahamsson (Apr 12)
- Re: Thoughts on increasing MTUs on the internet Niels Bakker (Apr 12)
- Re: Thoughts on increasing MTUs on the internet Joel Jaeggli (Apr 12)
- Re: Thoughts on increasing MTUs on the internet Mikael Abrahamsson (Apr 12)
- Re: Thoughts on increasing MTUs on the internet Gian Constantine (Apr 12)
- Re: Thoughts on increasing MTUs on the internet Iljitsch van Beijnum (Apr 12)
- Re: Thoughts on increasing MTUs on the internet Saku Ytti (Apr 12)
- Re: Thoughts on increasing MTUs on the internet Saku Ytti (Apr 12)
- Re: Thoughts on increasing MTUs on the internet Pierfrancesco Caci (Apr 12)