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List: lartc
Subject: Re: [LARTC] Simple case here!
From: Amit Vyas <amitvyas_cse () hotpop ! com>
Date: 2004-12-29 11:41:34
Message-ID: 41D29A38.9090004 () hotpop ! com
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I tried This for the following setup but it doesn't seems to be working
Please suggest.
//making a root cbq
tc qdisc add dev eth0 root handle 1:0 cbq bandwidth 100Mbit allot 1514
cell 8 avpkt 1000 mpu 64
//making one class under root with limiting 64kbps
tc class add dev eth0 parent 1:0 classid 1:1 cbq bandwidth 1Mbit rate
64Kbit allot 1514 cell 8 avpkt 1000 mpu 64 isolated
//Making other class which can take all the packets for the LAN and
procced with them at spped available.
tc class add dev eth0 parent 1:0 classid 1:2 cbq bandwidth 99Mbit rate
100kbit weight 9kbit allot 1514 cell 8
//filtering the packets so that they can be classified for class 1:2
tc filter add dev eth0 parent 1:0 protocol ip u32 match ip dst
192.168.3.0/32 classid 1:2
tc filter add dev eth0 parent 1:0 protocol ip u32 match ip dst
192.168.2.0/32 classid 1:2
Amit Vyas wrote:
>
> Hi All,
>
> I want to setup a machine to connect to internet at a limited rate of
> 64 kbps.
> That machine is connected to a switch. so my LAN and Internet both
> comes from the same eth0.
> How can I limit only the internet access from this machine to 64kbps
> and still using 100mbps for LAN
>
> I am trying to implement this Please guide me If i am wrong.
> I mark all the packets going out to LAN.
> Then I can setup a root qdisc to classify packets based on that mark.
> If match then I can setup a class to accept those setup a fifo for
> those packets. but if the packets are not for the LAN then i can pass
> them to other class which is tbf shaping at rate 64kbps.
>
> Am i right on these lines.
> This is the setup
>
> +------------+ eth0 +-----------+ internet
> | machine |---------------| Switch |-------------
> +------------+ +-----------+
>
> trying to get some thing like this
>
> root qdisc (CBQ or something)
> / \
> / \
> / \
> / \
> class class
> Internal LAN Pcakets Any other unclassified Packets
> | |
> | |
> FIFO TBF (rate 64kbps)
>
> Please Help me out with marking the packets and to classify them.
> Just started off with Traffic Shaping. gigles...... : )
>
> It is alos possible to alternatively to mark internet traffic as it
> would be less in comparison to LAN and thus processor friendly.
>
> Amit Vyas
>
>
>
>
>
> _______________________________________________
> LARTC mailing list / LARTC@mailman.ds9a.nl
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>
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