RE: VOIP Challenges...

Linux Advanced Routing and Traffic Control

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Le mercredi 16 fÃvrier 2005 Ã 19:40 -0800, Some Clown a Ãcrit :
>  
> -----Original Message-----
> From: lartc-admin@xxxxxxxxxxxxxxx [mailto:lartc-admin@xxxxxxxxxxxxxxx] On
> Behalf Of Ed Wildgoose
> Sent: Wednesday, February 16, 2005 1:44 PM
> 
> Debug this first.  It's not hard to sit and watch the byte counters scroll
> up.  If any traffic goes to queues that you don't expect then you know
> something is wrong.
> 
> By the way, your other errors indicate that you don't have the correct
> kernel modules loaded....
> 
> As I said though, my softphone on the PC kept going stuttery on the uplink
> even though QOS was working. (And only the uplink, downlink was perfect).
> With the hardware phone it's perfect even when the link is under stress.
> I'm not sure exactly why, but I did notice that after a few mins the
> softphone usually got it's act together so I suspect it's a default delay
> thing which needs to get settled down to the level of jitter on the line....
> -----Original Message-----
> 
> Well, the byte counters seem to be doing what they should... When using a
> 'tc -s class show dev eth0' over and over again <grin> 

To have a real time graphical monitoring of your qdiscs/class without
using tc -s class show dev eth0, you can try the last version of the 
qdisc monitoring tool at http://rawsoft.org


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