Re: tc action mirred packet lost

["Nieścierowicz Adam" <adam.niescierowicz@justnet.pl>]

 On Mon, 01 Nov 2010 12:15:55 +0100, Jarek Poplawski <jarkao2@gmail.com> 
 wrote:
> Nieścierowicz Adam wrote:
>> Hello,
>> recently there was a need to create 3-4 copies of the data sent to 
>> the
>> router, I decided to use the tc action mirred.
>>
>>
>> Ingress traficn on eth1 copies to eth1 eth2, eth3, eth4, eth5 using:
>> ---
>> tc qdisc add dev eth1 ingress
>>
>> tc filter add dev eth1 parent ffff: protocol ip prio 10 u32 match ip 
>> src
>> 0/0 flowid 1:1 action mirred egress mirror dev eth2 pipe action 
>> mirred
>> egress mirror dev eth3 pipe action mirred egress mirror dev eth4 
>> pipe
>> action mirred egress mirror dev eth5
>> --
>>
>>
>> Unfortunately the number of packets seen on eth1 qdisc is different 
>> than
>> the eth [2-5]
>
> Hi,
> Usually the reason for such differences is arp or other non-ip
> protocols. Try a filter with "protocol all" to check this.
>
> Jarek P.
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 Thanks, it works