Fwd: Re: [LARTC] HTB with SFQ in leaf classes. & setup question

[lartc@e-apollo.lv]

Stef Coene <stef.coene@docum.org>:

> On Tuesday 10 December 2002 19:48, lartc@e-apollo.lv wrote:
> > Hello,
> >
> > I wrote something yesterday.
> > Now the situation is even worse. Communicatin with some clients wont work
> > at all until i restart the traffic shaping box.
> > (It works for some hours, then suddenly dies (meaning the client cant be
> > pinged. Suspected at peak hours)
> > Maybe the computer resources are weak, maybe its setup faulty
> Do you have any errors in dmesg?  And how is the memory and cpu usage ?

Right now (night) the traffic shaping box is not loaded at all 10% cpu usage and 200MB ram 
used.
Tho at the daytime cpu usage goes up to 70% or so. and ~ 500MB ram.

Yes there are errors.

Dec 10 22:59:28 p1 kernel: NET: 26 messages suppressed.
Dec 10 22:59:28 p1 kernel: HTB: bad diff in events, cl\x10243 diff\x19E26000 nowC4192384 
thenB94893568 j\x1101578
...

Like this.

Just before i left work, i left a file d/ling, to test what happens.
Right now i cant reach outside world from that computer (128MB with speed of 128kbit/s have 
downloaded and it has halted).

I can reach the computer from the computer where the traffic shaping is being done. But not 
from a computer which is a hop from traffic shaping computer

internet - router1 - traffic_shaping - ... - me

80.81.33.1 is the router1 at the ISP providing us 8mbit like.
It cant be reached from the box which was being shaped.

me@myplace$ ping 80.81.33.1
PING 80.81.33.1 (80.81.33.1): 56 octets data

--- 80.81.33.1 ping statistics ---
3 packets transmitted, 0 packets received, 100% packet loss

Tho it can be reached from box next to me. (my other workstation)
me@myotherpc$ ping 80.81.33.1 
PING 80.81.33.1 (80.81.33.1): 56 octets data
64 octets from 80.81.33.1: icmp_seq=0 ttl%2 timeb.6 ms
64 octets from 80.81.33.1: icmp_seq=1 ttl%2 time .8 ms

--- 80.81.33.1 ping statistics ---
2 packets transmitted, 2 packets received, 0% packet loss
round-trip min/avg/max = 20.8/41.7/62.6 ms

So there is a problem in the traffic shaping box.
Traceroute also stops at the traffic shaping box.

Huge problem.

Ok, just a second ago i did '/sbin/tc qdisc del dev eth2 root'
And added the classes again.

me@myplace$ ping 80.81.33.1
PING 80.81.33.1 (80.81.33.1): 56 octets data
64 octets from 80.81.33.1: icmp_seq=0 ttl%2 time$.6 ms
64 octets from 80.81.33.1: icmp_seq=1 ttl%2 time!.9 ms

--- 80.81.33.1 ping statistics ---
2 packets transmitted, 2 packets received, 0% packet loss
round-trip min/avg/max = 21.9/23.2/24.6 ms

I can reach ISP's gateway very smoothly now!


Any idee?


P.Krumins
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