Re: [LARTC] QOS server droping packets 4% loss

2006-02-25 Thread Andy Furniss

Calin Ilis wrote:

Hi all,
 
 I have a problem with htb and wonder if anybody has encountered this.

 On my LAN I have more than 1000 clients, and I am using htb to shape the 
incoming trafic. The problem is that I am experiencing packet loss (about 4%) 
in the qos server.  The server is droping packets even if my trafic is 
relatively moderate.
 
 I tried everithing estimator, senting the quantum etc etc but it doesn't seem to improve.


Do you see the dropped packets counted with

tc -s class ls dev eth0 ?

Packet loss is normal for shaping tcp.

Andy.
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[LARTC] QOS server droping packets 4% loss

2006-02-01 Thread Calin Ilis
Hi all,  I have a problem with htb and wonder if anybody has encountered this. On my LAN I have more than 1000 clients, and I am using htb to shape the incoming trafic. The problem is that I am experiencing packet loss (about 4%) in the qos server.  The server is droping packets even if my trafic is relatively moderate.  I tried everithing estimator, senting the quantum etc etc but it doesn't seem to improve.  my script is relatively simple:  tc qdisc del dev eth0 root tc qdisc add dev eth0 root handle 1: htb default 10  #root class tc class add dev eth0 parent 1:0 classid 1:1 htb rate 5kbit ceil 5kbit #default class tc class add dev eth0 parent 1:1 classid 1:10 htb rate 512kbit ceil 512kbit  #and each client IP has a class asocieted  tc class add dev eth0 parent 1:1 classid 1:$COUNTER htb rate 5kbit ceil 400kbit tc filter add dev eth0protocol ip parent 1:0 prio 2 u32 match ip dst $IP flowid
 1:$COUNTER # and counter increments by 1 for each rule added  What could I do ? Are there some kernel parameters that I could modify in order to obtain a better performance ?  Thanks 
	
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