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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 <[email protected]> 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 [email protected] | 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
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