> I've borrowed an Ultra-5 from a friend and set it up as a
> router/firewall.  As such it works great.  The only problem is the
> network performance.

> I'm on a 100mbit (up/down full duplex) connection but downloading
> from my friends webserver (he lives in the neighbourhood with the
> same connection/subnet as me) directly to the router peaks at
> ~4.4MB/s.  Downloading from the university here in Lund peaks at the
> same rate.  If I download to any of the machines behind the router
> the peaks are a bit lower.

> My friend peaks at ~9.5MB/s when downloading from the university with
> an Ultra-10 as router.

It's a bit of a wild guess, but are you sure you're actually getting
full duplex?  I have a switch that's supposed to be full-duplex-capable
and with certain interfaces, when I let it autonegotiate, or
hand-configure full-duplex on both ends, I get bad performance; letting
the switch autosense and forcing the machine to half-duplex improves
matters greatly.  You might give that a try and see if it helps.

I also notice your dmesg shows a ukphy under hme1-hme3.  My hme uses
nsphy, like your hme0, which leads me to suspect that you may be using
a suboptimal phy driver.  If they're not already there, you might try a
kernel with all the *phy drivers to see which one likes your hmes.

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