[ovirt-users] Problemas with ovirtmgmt network used to connect VMs

[FERNANDO FREDIANI]

Not tried this yet Edwardh, but will do at next time it happens. THe 
source mac address should be the mac as the VM. I don't see any reason 
for it to change from within the VM ou outside.

What type of things would make the bridge stop learning a given VM mac 
address ?

Fernando


On 23/07/2017 07:51, Edward Haas wrote:
> Have you tried to use tcpdump at the VM vNIC to examine if there is 
> traffic trying to get out from there? And with what source mac address?
>
> Thanks,
> Edy,
>
> On Fri, Jul 21, 2017 at 5:36 PM, FERNANDO FREDIANI 
> <fernando.frediani at upx.com <mailto:fernando.frediani at upx.com>> wrote:
>
>     Has anyone had problem when using the ovirtmgmt bridge to connect
>     VMs ?
>
>     I am still facing a bizarre problem where some VMs connected to
>     this bridge stop passing traffic. Checking the problem further I
>     see its mac address stops being learned by the bridge and the
>     problem is resolved only with a VM reboot.
>
>     When I last saw the problem I run brctl showmacs ovirtmgmt and it
>     shows me the VM's mac adress with agening timer 200.19. After the
>     VM reboot I see the same mac with agening timer 0.00.
>     I don't see it in another environment where the ovirtmgmt is not
>     used for VMs.
>
>     Does anyone have any clue about this type of behavior ?
>
>     Fernando
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