> I'm running intel's e1000 driver (versions 4.4.12 and tried
> 4.6.11) for a 1000/MT (dual) nic on a 2.4.19 kernel.
> for normal operations, everything is fine.. however if I do a
> "ifconfig eth0 down; ifconfig eth0 up" 20 or 30 seconds
> passes where I can't do any traffic. the ifconfig up comes
> back quickly, and ifconfig reports the driver as up (and
> netlink thinks its up if I try and add another one).. I just
> can't move any traffic. no rx's and my tx's only move
> counters in the driver - they don't actually make it to the wire.
> if I do "ifconfig eth0 down; sleep 30; ifconfig eth0 up" all
> is well immediately after the up.. The driver doesn't seem to
> be doing anything different in either case - its as if the
> NIC itself is enforcing some kind of quiet period.
> I'm really writing to see if I'm crazy and hoping someone
> else can corroborate this is what they've seen too.
Do you have spanning tree turned on on your switch? This could cause