Re: [LARTC] Matching interface using U32(?)

[Nataniel Klug <nata@cnett.com.br>]

Andy

I make it work using iptables mark... I just had to change some parts of 
the script and it is, now, working fine.

Att,

Nataniel Klug

Andy Furniss escreveu:
> Nataniel Klug wrote:
>>    Hello all,
>>
>>    I am trying to make a little bit more complex QoS/Shapping form 
>> and I need to shape a PPPoE conection that I serve to my clients. So 
>> this is the scope:
>>
>> client connects using pppoe so it gets an IP address (from pppoe 
>> pool) and open an interface into my linux box
>> interface for this client is ppp0
>> client has got an ip 1.1.1.2/32 and it is poiting to pppoe-server 
>> 1.1.1.1
>>
>>    So, if i want to shape download for this client its really easy 
>> and I make a htb rule that shapes all traffic into ppp0... My problem 
>> is when I have to shape upload traffic. All my traffic goes for eth0 
>> to the world. I tryed to make this rule:
>>
>> $TC class add dev eth0 parent 1:1 classid 1:500 htb rate 200Kbit ceil 
>> 200Kbit
>> $TC filter add dev eth0 parent 1:0 protocol ip prio 1 u32 match ip 
>> src 1.1.1.2/32 flowid 1:500
>
> protocol ip on the filter is the problem - Without trying I am not 
> sure what will work but in the case of vlans you can just sat protocol 
> 8021q.
>
> If pppoe doesn't work try its' ethertype number - you could also use 
> protocol all and match the ethertype protocol number with u32 and a 
> negative offset.
>
>>
>>    But this rule is not matching the upload connection. If i put the 
>> same rule to an IP (i set an ip into client) this rule works but into 
>> pppoe conection it did not work properly.
>>
>>    Someone has some tip to match the interface that the conection is 
>> coming from? Like I wanna match all traffic coming from ppp0 and 
>> going throw eth0 to be shapped?! There is anyway to make this work?
>
> If you are running  >2.6.16 then you could use IFB and attach a queue 
> to each ppp.
>
> There is a kernel config option for u32 to mach indev - I don't know 
> the syntax,though.
>
> Andy.
>
>
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