[c-nsp] MTU on GigE

[Vincent De Keyzer]

Ok, I get the idea: when I increased mtu to 1600, the max ip mtu also
increased to 1600.

So you have a "physical" MTU, and a MTU for each protocol; and no "protocol"
MTU can be higher than the "physical" MTU.

Thanks to everybody, once again!

Vincent


> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-
> bounces at puck.nether.net] On Behalf Of Marko Milivojevic
> Sent: mercredi 19 octobre 2005 14:36
> Cc: cisco-nsp at puck.nether.net
> Subject: Re: [c-nsp] MTU on GigE
> 
> > This has never been clear to me - what is the meaning of "mtu" vs. "ip
> mtu"?
> 
> 	IP MTU is in some cases equal to interface MTU -or- defaults to
> 1500. I
> have not found the rule behind this... So, if this holds true in your
> case,
> by changing interface MTU, you have also affected IP MTU. You can use "sh
> ip
> interface" to see IP MTU.
> 
> Marko.
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