[Cialug] Bandwidth Shapers

Dave Weis djweis at internetsolver.com
Mon Dec 17 13:32:37 CST 2007


Zachary Kotlarek wrote:
> 
> On Dec 17, 2007, at 12:45 PM, Dave Weis wrote:
> 
>>
>> I had started doing something similar with the linux bandwidth control 
>> tools to do per ip/mac speed control. There's no easy way to do it by 
>> subnets, you generally have to do it per machine. I think it's called tc.
> 
> Yes, it's tc, as in Traffic Control. I recommend using tcng to write 
> more readable configuration files for it.
> 
> You can apply limits to a subnet; there are filters to match arbitrary 
> data in a packet, including a masked source address.

I think that was what I was trying to use, it made my head hurt.

My complaint about subnets was more that if I have a /24 of people that 
should have the same speeds, I have to make 256 separate buckets and 
matching rules. Doing it the way I would hope for it to work led to 
hundreds of people sharing a 256k bucket and causing my phone to ring.



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