Re: [Ethereal-users] see pause frame

[Breen Mullins <bmullins@xxxxxxxxxx>]

On Fri, 2005-10-07 at 03:00 +0200, Ulf Lamping wrote:
> Brice Carbou wrote:
> 
> > Hi everibody,
> >
> > For our development application, I must check the pause frames. But I 
> > am not sure that ethereal is correctly configurated (I dont see no 
> > frame). Could you help me please?
> >
> What do you mean by a pause frame?

A PAUSE [1] frame is an ethernet frame designed to implement flow 
control at the MAC layer. A switch supporting 802.3x can send 
a pause frame to force the link partner to stop sending data.

Ethereal will receive and decode pause frames correctly but you 
have to fill up the switch's buffer before it will send them. No 
configuration of Ethereal is necessary. (I've only ever seen 
pause frames from a malfunctioning switch.)

Breen

[1] The standard [2] spells it in all caps.

[2] http://standards.ieee.org/getieee802/802.3.html
-- 
Breen Mullins                      408-435-8401x123       
SQA Engineer                       0xde05499b          
Asante Technologies, Inc.