Re: How can I test my tc script?

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On Sun, 2011-02-06 at 17:11 +0000, Andrew Beverley wrote:
> On Sun, 2011-02-06 at 12:28 -0400, Optimum Wireless Services wrote:
> > On Sun, 2011-02-06 at 15:54 +0000, Andrew Beverley wrote:
> > > > Just wondering, I have a total of 15Mbps for our total bandwidth. If I
> > > > devide that into 512kbps then I can only have about 29 users at that
> > > > rate.
> > > 
> > > You could use HTB's "ceil" parameter for each leaf class to specify the
> > > max rate per user - that value can be anything up to and including the
> > > maximum rate of the root qdisc. It's the total of all the "rate"
> > > parameters of the leaf classes that should add up to the root's total.
> > > 
> > 
> > If I have users on different packages then how would I accomplish that?
> > 
> 
> Something like:
> 
> tc qdisc add dev ... root handle 1: htb
> tc class add dev ... parent 1: classid 1:1 htb rate 2000kbit
> ...
> tc class add dev .... htb rate 200kbit ceil 2000kbit prio 1
> tc class add dev .... htb rate 200kbit ceil 2000kbit prio 1
> tc class add dev .... htb rate 200kbit ceil 1000kbit prio 2
> tc class add dev .... htb rate 200kbit ceil 1000kbit prio 2
> tc class add dev .... htb rate 200kbit ceil 500kbit prio 3
> tc class add dev .... htb rate 200kbit ceil 500kbit prio 3
> tc class add dev .... htb rate 200kbit ceil 500kbit prio 3
> tc class add dev .... htb rate 200kbit ceil 500kbit prio 3
> tc class add dev .... htb rate 200kbit ceil 500kbit prio 3
> tc class add dev .... htb rate 200kbit ceil 500kbit prio 3
> 
> Note that all the rates add up to the root, but that each leaf class has
> the ceil set at the top limit.

How would the filtering be done here?

Filter by type of service and attach to one of the leafs?

> 
> > > >  Don't know if I'm doing the math correctly but, how many users
> > > > should a 15Mbps line should serve without problems?
> > > 
> > > Well obviously it depends on what your users are doing, but I think
> > > 15Mbps should be fine for 2-300 users. I have a 4Mbps ADSL line shared
> > > between 150 users. It's not the fastest, but it works for general use,
> > > because bulk traffic gets classified at a lower priority than web
> > > browsing.
> > > 
> > 
> > I don't think we have a problem if all users use their connection for
> > general use. But, I can't tell users what to do and not do, if you know
> > what I mean. As mentioned earlier, I have user downloading p2p all day
> > long, there are others using voip, there are others that use it for
> > gaming, others chatting, etc... So, I thought if I limit users'
> > bandwidth to a certain amount that I could just have them use whatever
> > they're assigned and they can do whatever they want with that amount of
> > bandwidth.
> 
> Try it, but you may find that your total aggregate bandwidth is not
> enough to do it this way.
> 
> Andy
> 
> 
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