tedm at toybox
Jun 9, 2007, 1:22 PM
Post #6 of 6
I don't think windows clients pay attention to the mtu size
Re: Improve VPN performance by reducing MTU via DHCP?
[In reply to]
option from dhcp.
ethernet is 1500 bytes so unless your running token ring, your
workstations won't generate larger then 1500 byte packets anyway.
There are a lot of things you can do that in theory will work
but in practice do not. Playing around with MTU size, in my
experience, is one of these things.
> -----Original Message-----
> From: cisco-nsp-bounces [at] puck
> [mailto:cisco-nsp-bounces [at] puck]On Behalf Of Vincent De Keyzer
> Sent: Thursday, June 07, 2007 7:27 AM
> To: cisco-nsp [at] puck
> Subject: [c-nsp] Improve VPN performance by reducing MTU via DHCP?
> Hello list,
> our company is about to build a corporate European network over
> VPNs, and a
> colleague of mine read somewhere that VPN performance can be improved by
> changing the MTU of workstations (this seems to be an option of DHCP
> server). In this way, the encapsulated packets are not bigger than 1500
> bytes, and no fragmentation is required, hence improving performance.
> Does that sound good to you? Anybody ever tried this? Can you think of any
> side effect of changing the MTU of all PCs?
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