Re: adjusting mtu

Jim Woodward (jim@jim.southcom.com.au)
Mon, 1 Nov 1999 18:22:35 +1100 (EST)


On Mon, 1 Nov 1999, Albert Max Lai wrote:

> I have a really strange problem. I need to change the mtu size of my
> interfaces. Unfortunately, I have not been able to track down the
> problem. Here's output of this.
>
> [root@amlai2 amlai]# /sbin/ifconfig eth0 mtu 1200
> SIOCSIFMTU: Invalid argument
>
> Anyone have any ideas as to why this might be happening? What kernel
> options might prevent one from changing the mtu size? Any help with
> this would be greatly appreciate. Thanks in advance.

I think the reason is the smallest MTU on ethernet is 1500 bytes.

Somebody correct me if im wrong :)

--
my name   : Jim AJ Woodward 
my realm  : http://www.jim.southcom.com.au
my e-mail : jim@jim.southcom.com.au

- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/