[rescue] When is 100 less than 10?

Sheldon T. Hall shel at tandem.artell.net
Tue Apr 26 13:26:51 CDT 2005


Mike Meredith writes ...

> What does the output of 'netstat -i' look like ?

Challenge 10baseT:

Name   Mtu   Network  Address   Ipkts Ierrs  Opkts Oerrs  Coll
et0    1500  192.168  tandem   389145     0 260614     0 76824
vfe0*  1500  none     none          0     0      0     0     0
vfe1*  1500  none     none          0     0      0     0     0
lo0    32992 loopback localhost  5204     0   5204     0     0

Challenge 100baseT:

Name   Mtu   Network  Address   Ipkts Ierrs  Opkts Oerrs  Coll
vfe0   1500  192.168  tandem     1855     0   5782     0     4
vfe1*  1500  none     none          0     0      0     0     0
et0*   1500  none     none          0     0      0     0     0
lo0    32992 loopback localhost  2186     0   2186     0     0

... I don't see anything special there.

> What is at the other end ? 

Generic Taiwanese laptop PC with 100baseT wired Ethernet, running Windows
XP.  I.e. nothing special at all.

> One distant possibility is that autonegotiation has failed badly
> and you've got a mismatch ... I've seen this with full duplex 
> stuff, but
> didn't think it was possible with half-duplex. But you never know.

Could be, but I don't think I can fix that, as the SGI doco for ifconfig
indicates that you can't set this, and the network is built of cheap
unmanaged switches.  I'll try a different switch, though, and see what that
does for me. 

-Shel



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