Re: [LARTC] CBQ does not works

[Alexandra Alvarado <aaaa@telconet.net>]

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If you see de graph attached, the limit must to be until 8Kbytes, but
exceeds.




Ramin Alidousti wrote:
> 
> Are you sure it's not a scaling problem with MRTG? What do you expect
> to see and what do you see? Is your MRTG publicly available?
> 
> Having said that, some days ago Stef sent his results which (I believe)
> is the same as what you're experiencing. See "5. Bugs" on:
> 
>         http://users.belgacom.net/staf/generalbody.html
> 
> Ramin
> 
> On Tue, Apr 24, 2001 at 10:06:07AM +0000, Alexandra Alvarado wrote:
> 
> > Hi Serguei I. Ivantsov
> >
> > Can you please explain to me what is wrong in this configuration,
> > because of when i analize traffic i can see that this exceeds 64 Kbps.
> > To see the traffic bandwidth i use mrtg.
> >
> > Thanks
> >
> > Alexandra
> >
> > PD: I have a realtek [rtl8139] network cards, and i try configuring with
> > 10Mbit and 100Mbit but without success.
> >
> > > I have a Linux firewall [Red Hat 7.0] and i need to implement cbq, until
> > > now i make my file configuration that is:
> > >
> > > ==========Introduction============
> > >
> > >      [The Internet] --- [Linux router] --- [Intranet]
> > >                        eth0          eth1
> > >
> > > The Networks Cards are "rtl8139"
> > >
> > > And what i whant is that the input and output to the intranet can reach
> > > a max bandwidth of 64 Kbit per second
> > >
> > > ============================= File cbq.init
> > > ================================
> > >
> > > #!/bin/sh
> > >
> > > # eth1
> > >
> > > tc qdisc add dev eth1 root handle 10: cbq bandwidth 100Mbit avpkt 1000
> > >
> > > tc class add dev eth1 parent 10:0 classid 10:1 cbq bandwidth 100Mbit
> > > rate 100Mbit allot 1514 weight 1Mbit prio 8 maxburst 20 avpkt 1000
> > >
> > > tc class add dev eth1 parent 10:1 classid 10:100 cbq bandwidth 100Mbit
> > > rate 64Kbit allot 1514 weight 6Kbit prio 5 maxburst 20 avpkt 1000
> > > bounded
> > >
> > > tc qdisc add dev eth1 parent 10:100 sfq quantum 1514b perturb 15
> > >
> > > tc filter add dev eth1 parent 10:0 protocol ip prio 25 u32 match ip dst
> > > 10.10.10.0/24 flowid 10:100
> > >
> > > # eth0
> > >
> > > tc qdisc add dev eth0 root handle 20: cbq bandwidth 100Mbit avpkt 1000
> > >
> > > tc class add dev eth0 parent 20:0 classid 20:1 cbq bandwidth 100Mbit
> > > rate 100Mbit allot 1514 weight 1Mbit prio 8 maxburst 20 avpkt 1000
> > >
> > > tc class add dev eth0 parent 20:1 classid 20:100 cbq bandwidth 100Mbit
> > > rate 64Kbit allot 1514 weight 6Kbit prio 5 maxburst 20 avpkt 1000
> > > bounded
> > >
> > > tc qdisc add dev eth0 parent 20:100 sfq quantum 1514b perturb 15
> > >
> > > tc filter add dev eth0 parent 20:0 protocol ip prio 25 u32 match ip src
> > > 10.10.10.0/24 flowid 20:100
> > >
> > > ===================== cbq.init stats =============================
> > >
> > > ---[ eth0: configured classes ]---------------------------
> > >
> > > class cbq 20: root rate 100Mbit (bounded,isolated) prio no-transmit
> > >  Sent 6723337 bytes 32154 pkts (dropped 0, overlimits 0)
> > >   borrowed 0 overactions 0 avgidle 61 undertime 0
> > > class cbq 20:100 parent 20:1 leaf 8004: rate 64Kbit (bounded) prio 5
> > >  Sent 0 bytes 0 pkts (dropped 0, overlimits 0)
> > >   borrowed 0 overactions 0 avgidle 2.83654e+06 undertime 0
> > > class cbq 20:1 parent 20: rate 100Mbit prio no-transmit
> > >  Sent 0 bytes 0 pkts (dropped 0, overlimits 0)
> > >   borrowed 0 overactions 0 avgidle 62 undertime 0
> > >
> > > ---[ eth0: queueing disciplines ]-------------------------
> > >
> > > qdisc sfq 8004: quantum 1514b perturb 15sec
> > >  Sent 0 bytes 0 pkts (dropped 0, overlimits 0)
> > >
> > >  qdisc cbq 20: rate 100Mbit (bounded,isolated) prio no-transmit
> > >  Sent 6724367 bytes 32157 pkts (dropped 0, overlimits 0)
> > >   borrowed 0 overactions 0 avgidle 62 undertime 0
> > >
> > >
> > > ---[ eth1: configured classes ]---------------------------
> > >
> > > class cbq 10: root rate 100Mbit (bounded,isolated) prio no-transmit
> > >  Sent 26432943 bytes 32209 pkts (dropped 0, overlimits 0)
> > >   borrowed 0 overactions 0 avgidle 62 undertime 0
> > > class cbq 10:100 parent 10:1 leaf 8003: rate 64Kbit (bounded) prio 5
> > >  Sent 26410431 bytes 31673 pkts (dropped 455, overlimits 188780)
> > >   borrowed 0 overactions 20574 avgidle 375275 undertime 0
> > > class cbq 10:1 parent 10: rate 100Mbit prio no-transmit
> > >  Sent 26410431 bytes 31673 pkts (dropped 0, overlimits 0)
> > >   borrowed 0 overactions 0 avgidle 62 undertime 0
> > >
> > > ---[ eth1: queueing disciplines ]-------------------------
> > >
> > > qdisc sfq 8003: quantum 1514b perturb 15sec
> > >  Sent 27456058 bytes 33494 pkts (dropped 455, overlimits 0)
> > >
> > >  qdisc cbq 10: rate 100Mbit (bounded,isolated) prio no-transmit
> > >  Sent 27482602 bytes 34126 pkts (dropped 455, overlimits 184922)
> > >   borrowed 0 overactions 0 avgidle 62 undertime 0
> > >
> > > ============= cbq.init list ====================
> > >
> > > ---[ eth0: configured classes ]---------------------------
> > >
> > > class cbq 20: root rate 100Mbit (bounded,isolated) prio no-transmit
> > > class cbq 20:100 parent 20:1 leaf 8004: rate 64Kbit (bounded) prio 5
> > > class cbq 20:1 parent 20: rate 100Mbit prio no-transmit
> > >
> > > ---[ eth0: queueing disciplines ]-------------------------
> > >
> > > qdisc sfq 8004: quantum 1514b perturb 15sec
> > > qdisc cbq 20: rate 100Mbit (bounded,isolated) prio no-transmit
> > >
> > > ---[ eth1: configured classes ]---------------------------
> > >
> > > class cbq 10: root rate 100Mbit (bounded,isolated) prio no-transmit
> > > class cbq 10:100 parent 10:1 leaf 8003: rate 64Kbit (bounded) prio 5
> > > class cbq 10:1 parent 10: rate 100Mbit prio no-transmit
> > >
> > > ---[ eth1: queueing disciplines ]-------------------------
> > >
> > > qdisc sfq 8003: quantum 1514b perturb 15sec
> > > qdisc cbq 10: rate 100Mbit (bounded,isolated) prio no-transmit
> > >
> > > ==============Problem===============
> > >
> > > I have an mrtg monitor, and according to this the bandwidth of the
> > > firewall exceeds the 64 Kbit per seconds, i don't know why, i need
> > > extrictly the bandwidth does no exceeds 64 Kbps.
> > >
> > > ====================================
> >
> >
> >
> > "Serguei I. Ivantsov" wrote:
> > >
> > > Hello!
> > >
> > > If you simply want to limit dataflow to 64kbit, you have to use TBF discpipline for the leaf qdisc.
> >
> > _______________________________________________
> > LARTC mailing list / LARTC@mailman.ds9a.nl
> > http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://ds9a.nl/2.4Routing/
> 
> --
> Ramin Alidousti                                         ramin@UU.NET
> Advanced Development                             tel +1 703 886 2640
> UUNET, A WorldCom Company                        fax +1 703 886 0536
> 
> _______________________________________________
> LARTC mailing list / LARTC@mailman.ds9a.nl
> http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://ds9a.nl/2.4Routing/

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