North American Network Operators Group

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Re: Ethernet NAPs (was Re: Miami ...)

  • From: John Kristoff
  • Date: Thu Aug 23 10:20:47 2001

Mikael Abrahamsson wrote:
> If NAPs do not support jumbos, then end systems will never support them.

Many end systems will never support jumbo frames, period.  There are
lots of 10/100 Mb/s ethernet hosts that will not ever be upgraded.

> A lot of servers are being connected via GigE nowadays, and with jumbos
> being a possibility, why not support it?

Certainly.  In a nutshell, it might be best to take steps to avoid
fragmentation elsewhere in the network.  Perhaps a rule of thumb that
should be stressed is to use jumbo frames if you know for sure the other
end system(s) support it, otherwise default to 1500.