Re: [LARTC] Now to make only Traffic Priority

[Marek Kierdelewicz <marek@piasta.pl>]

> Hi to everybody.

Hi

> I just want to make priority of certain traffic without shaping the
> traffic .
> For example SSH and RDP first priority
> Mail second priority
> WEB and FTP third

You can make something like that:
$TC qdisc add dev $IF1 root handle 1: htb default 40
$TC class add dev $IF1 parent 1: classid 1:1 htb rate 100mbit ceil \
100mbit burst 15k prio 1
$TC class add dev $IF1 parent 1:1 classid 1:10 htb rate 25mbit ceil \
100mbit burst 15k prio 1
$TC class add dev $IF1 parent 1:1 classid 1:20 htb rate 25mbit ceil \
100mbit burst 15k prio 2
$TC class add dev $IF1 parent 1:1 classid 1:30 htb rate 25mbit ceil \
100mbit burst 15k prio 3
$TC class add dev $IF1 parent 1:1 classid 1:40 htb rate 25mbit ceil \
100mbit burst 15k prio 4

Then you direct ssh and rdp with filters to the 1:10 class (prio 1
means highest prio), mail to 1:20, web+ftp to 1:30 and rest to 1:40.

It's shaping, but works the way you want it. 

Another solution is using prio qdisc, for what you need to:
- set up prio map (tos -> prio)
- rewrite tos field of packets in PREROUTING chain of mangle table.

I never used such solution, only read some theoretical stuff at
following site:
http://lartc.org/howto/lartc.qdisc.classless.html#AEN659

-- 
Marek Kierdelewicz
Kierownik Dzia?u Systemów Sieciowych, KoBa
Manager of Network Systems Department, KoBa
tel. (85) 7406466; fax. (85) 7406467
e-mail: admin@koba.pl
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