On Sat, 25 Sep 1999, Matthias Drochner wrote:

> 
> blackbox@openface.ca said:
> > > Did you succeed in increasing the receive ring?
> > Modifying source parameters on critical machines scares me
> 
> OK, I agree that such a change must be well tested.
> 
> > I still can though, if you think it will help.
> 
> If the interface is simply overloaded by some bursts,
> it is likely to help.
> 
> [interrupt sharing]
> 
> If it happend with any of your cards if it is exposed to
> the load, it is less likely to be an interrupt sharing issue.
> 
> > The problem seems to be on transmit (ex1) only.  The ex2 card is receiving
> > only, and the ex1 card is transmitting only.
> 
> That's strange. The card gets a receive overrun. Are you
> sure there is nothing coming in?

You're right, I have the two cards backwards.

doug# netstat -I ex1 -ni
Name  Mtu   Network       Address              Ipkts Ierrs    Opkts Oerrs Colls
ex1   1500  <Link>        00:50:04:3e:93:8c 37121748 31556   170829 12932 10312
ex2   1500  <Link>        00:50:04:3e:93:d7    24199     0 34833725  2893 2066


ex1 sees about 200-400 pps coming in and mayb be 10 packets per minute
outgoing.

Erik