Re: [LARTC] Transfer rate above the desired (tc+htb)

[Andy Furniss <andy.furniss@dsl.pipex.com>]

Alvaro Motta wrote:
> Hi Andy, thanks for your reply.
> 
> I don't see why the src should be the culprit, since the AB segment is
> 10.4 network and the BC is 192.168. And IMHO 0.0.0.0/0
> 
> Also, after modifying the src, the traffic rate was the same as if no
> qdisc were attached to the interface. I even played with the
> interfaces and the only way to throttle the traffic, is assigning the
> qdisc to the eth0 and having the src and dst as in the script I've

Hmm I am confused now :-)

If you run wget on machine A with address 10.4.x.y and request a file 
from machine C address 192.168.0.23 then the source address of the 
packets passing egress eth0 on machine B should be 192.168.0.23 - unless 
there is some sort of NAT going on in machine B.

FWIW you use default 50 on your htb rule but don't have a class 1:50 and 
your filter rule dst 0.0.0.0/0 matches any dst ipaddress and so is 
redundant.

Maybe you should as a test limit all IP traffic on eth0 and see if that 
works -

tc qdisc del dev eth0 root
tc qdisc add dev eth0 root handle 1: htb
tc class add dev eth0 parent 1: classid 1:1 htb rate 32kbit ceil 32kbit
tc filter add dev eth0 protocol ip parent 1:0 prio 100 u32 match u32 0 0 
classid 1:1

Andy.
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