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Re: [libvirt-users] Dump network traffic from each VM.

Hi Daniel,

I changed the libvirt code to support "-net dump" because it is
more comfortable to me and to users here.

I don't know if it is interesting to the community, but... most of the
code is ready if someone needs.

Julio Cesar Faracco

2016-05-05 10:34 GMT-03:00 Daniel P. Berrange <berrange redhat com>:
> On Wed, May 04, 2016 at 12:37:14PM -0300, Julio Faracco wrote:
>> Hi guys,
>> Does anybody know how to dump the network trafic from each virtual
>> machine using libvirt?
>> Here, we usually use VPN softwares and other network tools inside
>> Virtual Machines (Windows and Linux). Sometimes, this applications
>> does not work properly, so we need to dump the network traffic of each
>> Virtual Machine to compare and debug.
>> How can I enable it using libvirt? I know that if you use a QEMU
>> instance, you can enable the dump using "-netdev dump,...".
> Libvirt does not support the QEMU netdev dump feature at this time.
> Best bet is to just connect tcpdump to the TAP device associated
> with the virtual machine in question. See the XML config for the
> name of the currently assigned TAP device
> Regards,
> Daniel
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