Re: QoS weirdness : HTB accuracy

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> > Sorry for the late response:  could this be an "aliasing" issue caused
> > by sampling intervals (granularity)?
> > 
> 
> I was, in fact, an error in my ruleset. I had put the 'linklayer atm' at
> both the branch and leaf levels, so the overhead was computed twice,
> creating those holes in the bandwidth.

I am seeing similar behaviour with my setup. Am I making the same
mistake? A subset of my rules is as follows:


tc qdisc add dev ppp0 root handle 1: htb r2q 1

tc class add dev ppp0 parent 1: classid 1:1 htb \
    rate ${DOWNLINK}kbit ceil ${DOWNLINK}kbit \
    overhead $overhead linklayer atm                   <------- Here

tc class add dev ppp0 parent 1:1 classid 1:10 htb \
    rate 612kbit ceil 612kbit prio 0 \
    overhead $overhead linklayer atm                   <------- And here

tc qdisc add dev ppp0 parent 1:10 handle 4210: \
    sfq perturb 10 limit 50

tc filter add dev ppp0 parent 1:0 protocol ip \
    prio 10 handle 10 fw flowid 1:10



Thanks,

Andy


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