[LARTC] Imq implimentation

2004-08-12 Thread ibro tj
hello all,
i intend to implimentJiri Fojtasek's imq implimentation here http://hyperfighter.jinak.cz/qos/ on my Linux shaper for production use,I will like to ask if people have implimented it and find it stable and useful as stated in the site.

My bandwidth manager will have 3 interfaces , eth0 -internet(live ip, bridged with eth1), eth1(live ip bridged w eth0),  eth2 -lan(local ip) . eth0 and eth1 arebridge ports.

I have implimented a shaper over bridged interface before and it is ok.But i was using just 2 interfaces then, now I want to use 3 interfaces.

I have read in the lartc that to impliment multiple interface BWM with linux, one must use an IMQ device- I do not know if there is another method?

So if anybody has implimented the scenario in the Jirii's site or the one i described above using other method(s) other that imq,may he intimate me with a sample script to get started as I am yet to fully understand the internal workings of imq device.

Thanks,

IbrahimT
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[LARTC] How to configure tc with burstable bandwidth

2004-07-20 Thread ibro tj
Hello all,

I have a qos system that is working  fine with my
present dedicated bandwidth.Now I need to move on to
another ISP provider that gives me opportunity to
burst my bandwidth when there is less contention.

I want to incorporate the bursting advantage in to my
script but do not know how. Please , can somebody help
with what I need to do to make this possible ? Thanks.

-Ibrahim




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Re: [LARTC] QoS for Voip.

2004-07-16 Thread ibro tj
Hi,

the hint from Martin A Brown which I am experimenting
without regret yet is that you shoul decrease the
queue lenght to say 30 from the default 100 and also
reduce the MTU(MAX. TRANSFER UNIT) to the size of
typical voice traffic say 256 using

ip link set dev eth0 qlen 30
ip link set dev eth0 mtu 1000

Hope it helps.


Ibrahim T.


--- Alessandro Ren [EMAIL PROTECTED]
wrote:
 
  I've been using a altered version of the
 wshaper script  to 
 priorize voip traffic for my customers.
  I'd like to know if someone in the list has any
 tips on QoS for 
 voip, if someone has done some experimentation.
 I am using HTB and if someone on the LAN uses a
 p2p program, I 
 started to noticed in the voip, with cuts, jitter
 and lag.  If a reserve 
 a fixed amount of bandwitdh not letting anyonbe
 borrow, it works fine, 
 but then if noone is using voip, I have bandwidth
 going to waste.
 I think I need some fine tunning oin the HTB
 parameters, but I am 
 not sure sure about that.
   Any indeas?
 
 
 




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[LARTC] Shaping using both public and private Ip addresss on same linux box

2004-07-16 Thread ibro tj
I have a qos system that is currently shaping
(down/up) using public ip address on eth0 and eth1
-eth0 faces the internet.What I want to do is similar
to what jiri fojtasek (
http://hyperfighter.jinak.cz/qos ) in his imq
implementation example. But in my case , i do not want
to use imq but rather attach the 3rd NIC eth2 that
will shape traffic originating/destined to my local
LAN -192.168.0.0/24. wHAT i find challenging is how to
construct the tc scripts between the interface eth0
and eth2 taking care of up/down as well , without
conflicting with the public aspect. A sample script
will be of great help.


Ibrahim T




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