problem with tcpdump/netmap

[Hadi Rezaee]

Well, it seems the netmap integration with libpcap is only available for
FreeBSD-11-CURRENT ? is that correct ?

Thanks,


On 12/10/2015 23:28, Hadi Rezaee wrote:
> Hey there,
>
> I rebuild my box (FreeBSD 10.2R amd64) with netmap support.
> Just to check if everything going well, I connected my laptop to another
> machine in same ip range.
> The problem is when I issue "tcpdump -i netmap:re0" command to capture
> packets, I see different results but all of them will fail eventually ..
> for example:
> 1) the capturing will start successfully , I'll see some output on
> screen and after seconds capturing will stop and the interface will lose
> the IP address!
> 2) the capturing will start successfully , nothing will printed on
> screen ... but the interface keep the IP address along with NETMAP flag
> and at the end the stat will be:
> 0 packets captured
> 1904 packets received by filter
> 0 packets dropped by kernel
>
>
> please note than when i use tcpdump normally (without netmap), the
> capturing process just run successfully ...
>
> Thanks,
> Hadi
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-- 
Hadi Rezaee
+98 912 1403571

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