Re: wrong mtu value in /proc/net/route

[Rudmer van Dijk]

On Thursday 25 July 2002 23:34, Bruce Cran wrote:
> I've found something strange going on in 2.4 kernels - when I run
> 'netstat -r' I get the routing table from /proc/net/route.   The MSS
> value reported is only 40 bytes, and when I run 'cat
> /proc/net/route I'm told that the _MTU_ is 40 bytes.   I thought the MSS
> was supposed to be the MTU - 40 bytes, not 40 bytes in
> total, where the MTU for ethernet is 1500.  If I run ifconfig, it reports
> the correct MTU of 1500 for eth0 and 16463 for lo.   This computer has a
> NetGear FA311 card, and is running 2.4.19-pre7-ac2, though I've also seen
> this happening on a 2.4.18 kernel.

I see the same values on 2.4.19-rc3-ac3 with two Winbond Electronics Corp 
W89C940 NIC's. no idea what is causing it.

	Rudmer