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03-28-2018, 11:41 AM
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#1
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Senior Member
Registered: Feb 2011
Distribution: Ubuntu, Centos
Posts: 1,240
Rep: 
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brctl showmacs vmbr0
Hi,
I'm running proxmox virtualization with only 4 lxc containers and 1 virtual machine.
When I run brctl showmacs vmbr0 I get 131 mac addresses. I did delete and readded several containers/vms, but definitely not as much. I also understand that there are two macs for each vm/container, the one seen in the host and the one seen within the vm/container. But I'm not sure if that would justify the sheer amount. Moreover, shouldn't there be currently used mac addresses? Or are they incremented, so that each time I add another vm/container, another two mac addresses are added, even if I delete previous vm/containers.
After starting 4 containers, I get another 12 macs - so that's 3 macs per container, 143 in total. I'm buffled.
Any ideas?
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