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North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: Thoughts on increasing MTUs on the internet
:-> "Iljitsch" == Iljitsch van Beijnum <iljitsch@xxxxxxxxx> 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
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Pierfrancesco Caci | Network & System Administrator - INOC-DBA: 6762*PFC
p.caci@xxxxxxxxxxx | Telecom Italia Sparkle - http://etabeta.noc.seabone.net/
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