[LARTC] Use l7-filter in/and TCNG.

[Tiago Bruno Espírito Santo Silva]

OK! But you are right what i want from TCNG (htbs) can be make with TC!
And seems easy, tomorrow i'll try what you said. Thanks again.

Alexis wrote:

>For sure im not saying this as a formula. I have like a policy that is
>"don’t use it until you _really_ need it", as far I can understand, in your
>case you can handle the issue with tc.
>
>Regards and good luck
>
>
>
>-----Mensaje original-----
>De: lartc-admin@mailman.ds9a.nl [mailto:lartc-admin@mailman.ds9a.nl] En
>nombre de Tiago Bruno Espírito Santo Silva
>Enviado el: Domingo, 10 de Octubre de 2004 12:14
>Para: LARTC@mailman.ds9a.nl
>Asunto: Re: [LARTC] Use l7-filter in/and TCNG.
>
>Thanks Alexis!
>
>So you are saying to me that it's better use TC instead of TCNG, i'll try
>your idea thanks again!
>
>Alexis wrote:
>
>  
>
>>First you need to mark the packet, mark is on the mangle table.
>>L7 is a match condition, so, in order to mark the packets this could be 
>>an example
>>
>>Suppose eth0 as lan int and eth1 as wan and the linux box forwarding 
>>between those interfaces
>>
>>The example to mark a packet, lets say with a pattern called bla1
>>
>>iptables -t mangle -A POSTROUTING -m layer7 --l7proto bla1 -j MARK 
>>--set-mark 55
>>
>>
>>Now, you’ve marked all packets with the pattern defined as bla1 in 
>>/etc/protocols
>>
>>So, you must classify those packets.
>>
>>First create the qdisc
>>
>>tc disc add dev eth1 root handle 1: htb default 99
>>
>>Now you must create the root htb class
>>tc class add dev eth1 parent 1: classid 1:1 htb rate 100kbps ceil 
>>100kbps
>>
>>Now the class for your marked traffic with 90kbps of bw
>>
>>tc class add dev eth1 parent 1:1 classid 1:10 htb rate 90kbps ceil 
>>90kbps
>>
>>Now the default class for other non marked traffic
>>
>>tc class add dev eth1 parent 1:1 classid 1:99 htb rate 10kbps ceil 
>>10kbps
>>
>>
>>Now you must apply the filters to assing traffic to the classes
>>
>>tc filter add dev eth1 protocol ip parent 1: prio 0 handle 55 fw flowid 
>>1:10
>>
>>
>>And now, not mandatory but a good idea, add some discipline to the htb 
>>classes (defaults are pfifo, but I prefer sfq)
>>
>>tc qdisc add dev eth1 parent 1:10 handle 10: sfq perturb 10 tc qdisc 
>>add dev eth1 parent 1:99 handle 10: sfq perturb 10
>>
>>And that’s it. Now try to generate some traffic and use tc -s -d class 
>>show dev eth1 and check for the results.
>>
>>This example is very basic but I think it can help.
>>
>>
>>Regards
>>
>>
>>
>>
>>
>>
>>-----Mensaje original-----
>>De: lartc-admin@mailman.ds9a.nl [mailto:lartc-admin@mailman.ds9a.nl] En 
>>nombre de Tiago Bruno Espírito Santo Silva Enviado el: Domingo, 10 de 
>>Octubre de 2004 7:40
>>Para: lartc@mailman.ds9a.nl
>>Asunto: [LARTC] Use l7-filter in/and TCNG.
>>
>>Hello every one!
>>
>>I'm making a project to a discipline in the university and the project 
>>is make a Linux router that grants QoS to Multimedia connections (the 
>>prof. say we can use Open Source Soft. :) or reinvent the wheel). I 
>>have been googeling and googeling and i found the l7-filter in source 
>>forge and the spectacular simple language that is TCNG. Well the 
>>problem is how can i mark packets with netfilter and l7-filter and after
>>    
>>
>that make my HTBs with TCNG.
>  
>
>>I have read the how to from TCNG (my English is not at 100%) and i see 
>>the external program declaration but i think thats not it that i want! 
>>In the l7-filter project they talk about TC but TCNG it much more simpler!
>>Can some one help me? (if there are any post in this mailing list about 
>>this matter, please give me the link i couldn't find it :( )
>>
>>Thanks in advance
>>
>>Tiago.
>>
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>> 
>>
>>    
>>
>
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