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List: lartc
Subject: Re: [LARTC] QoS and arp packets.
From: Andy Furniss <andy.furniss () dsl ! pipex ! com>
Date: 2004-11-30 14:00:28
Message-ID: 41AC7CFC.8080602 () dsl ! pipex ! com
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George Alexandru Dragoi wrote:
> Hello list,
>
> I'm having problems with HTB on a machine. I noticed that after a
> while the machine seems off-line after i start the htb script. After
> some debugging i realised the problem stays in the arp packets send by
> the machine, which are delayed or dropped. Because of that i had to
> remove the default class. Is there a way to match arp packets ?
> because i want to add them to the class destinated for the machine
> itself.
Someone recently posted this - but you may not need it if you can make
your rules specifically mark/shape protocol IP or TCP etc.
Andy.
> I'm using this because it works:
> # Example that matches ARP (a big "thank you" to Martin Brown for
> this!):
> # dst MAC is 6 bytes at -14
> # src MAC is 6 bytes at -8
> # the ARP protocol is 2 bytes at -2
> # the "0806" comes from linux/include/linux/if_ether.h
> tc filter add dev eth1 parent 1: protocol ip prio 5 u32 \
> match u16 0x0806 0xffff at -2 flowid 1:50
> gypsy
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