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Date: Thu, 20 Mar 2008 15:07:05 +0100 From: "Djalel Chefrour" <cdjalel@...il.com> To: "Jarek Poplawski" <jarkao2@...il.com> Cc: netdev@...r.kernel.org Subject: Re: Does HTB traffic shaping happen on leaf classes only or could it happen at root qdisc THX for your reply. > > # tc -s -d class show dev ppp0 > > class htb 1:110 parent 1:10 leaf 110: prio 0 quantum 1375 rate 110Kbit > > ceil 220Kbit burst 323b/2 mpu 0b overhead 18b atm cburst 392b/2 mpu 0b > > Are these default quantum, burst and cburst parameters? > Yes they are. I forget to mention that I am also using tc-atm pacth with: atm overhead 18 nohys mtu 256, for 1:10 atm overhead 18 nohys, for 1:20 > > > overhead 18b atm level 0 > > Sent 3888361 bytes 19368 pkts (dropped 0, overlimits 0) > > rate 7160bit 35pps > > lended: 19348 borrowed: 20 giants: 50 > > giants (>mtu) means something goes out of band here. > Hmmm, that could be explained with mtu set to 256 > > No, HTB root qdisc doesn't even have parameter for shaping. > BTW, did you read this fine manual?: > http://luxik.cdi.cz/~devik/qos/htb/manual/userg.htm > Yes, thats what I read too, but the output shows 0 overlimits for all nodes but root !!! So how to interpret this? TIA -- Dr Djalel Chefrour, Software Consultant -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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