RE: Help with Cable direct connect speed
- From: "Greg Mulholland" <gmulholland@xxxxxxxxxxxxxxx>
- To: "'[ISAserver.org Discussion List]'" <isalist@xxxxxxxxxxxxx>
- Date: Wed, 8 Jan 2003 21:48:19 +1100
Be careful of these things. I know they sound like a fix for crap
speeds, they can be in general, however you may come across times and
apps you are trying to put thru your isa server that don't work as well
as they should or as reliable or fast as you would think. This can
sometimes be a result of tweaking the mtu sizes. Ive seen it before in a
few cases.
I know John Tolmachoff had some info on a similar topic iirc.
Greg Mulholland
-----Original Message-----
From: Elliott Davidow [mailto:Elliott.Davidow@xxxxxxxxxxxx]
Sent: Wednesday, January 08, 2003 9:36 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] Help with Cable direct connect speed
http://www.ISAserver.org
Sorry for the delay on this topic.
There is a great article at http://www.techrepublic.com called TWEAK
Win2k Server registry to improve TCP/IP Performance. Use the search
command to find it. If you have any trouble, reply to this post and I'll
send you the exact URL. It is also useful for slow/low speed
connections.
As an example: ping -f -l <MTUSIZE> <gateway> will tell you if you have
the optimum MTU size. Add or decrease the size by 10 until it tells you
you're fragmenting the packets. I started with 1576 and finally hit upon
1472 as optimum.
I used it and worked very well.
Elliott
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