From: Anthony Pace (anthonypace@fastmail.fm)
Date: Wed Jul 14 2004 - 13:54:51 GMT-3
I work for a company that has Servers on the Internet. It has been
suggested that we reduce the MTU size on our Internet routers to 576.The
rational is that some routers might not support a larger size,
therefore, by picking this lowest common denominator, we insure that
everyone will have a great experience. It has also been suggested that
many ISP's will treat the smaller packets with a higher priority.
I do not think this makes sense, I have only seen problems with MTU,
when using applications which set the don't fragment bit, and that was
through a VPN. These were my thoughts:
- The client and server should negotiate MTU size, so wouldn't it make
more sense to reduce it on the server's themselves, if this is really a
concern?
- Doesn't putting the same data in 3 packets instead of 1 reduce the
header/payload ratio?
- If a router cant support the MTU, won't it just fragment the packet?
(most apps don't set the "no fragment" bit)
Does anyone have experience or knowledge one-way or the other? I cant
find anything in my searches that really bears this out.
Anthony Pace CCIE10349
-- Anthony Pace anthonypace@fastmail.fm
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