Re: Transmission hangup after long periods without link

Donald Becker <[email protected]> Wed, 20 Nov 2002 21:38:14 -0500 (EST)

Newsgroups	gmane.linux.drivers.realtek.user
Message-ID	<[email protected]>

On Wed, 20 Nov 2002, Scott Henwood wrote:

> I'm using V1.20a of rtl8139.c on a Celeron 850-based motherboard with 
..
> In our configuration, traffic goes through the box in one direction 
> only. We discovered that if we unplug the Ethernet cable on the outgoing 
> interface and leave it unplugged for some period of time (12 hours 
> usually does it) and then re-attach the cable, no data comes out. 

Errrkkkk, that's pretty obscure!

> rtl8139-diag shows that the link has been detected. Tcpdump shows that 
> braodcast/multicast traffic on the outgoing interface's cable is being 
> received but that there are no outbound packets.

What does rtl8139-diag -am report when no packets are being transmitted?

-- 
Donald Becker				[email protected]
Scyld Computing Corporation		http://www.scyld.com
410 Severn Ave. Suite 210		Scyld Beowulf cluster system
Annapolis MD 21403			410-990-9993