[CentOS-virt] Need info on vnet mapping to guests
Christopher G. Stach II
cgs at ldsys.net
Sun Oct 25 08:30:40 UTC 2009
----- "Neil Aggarwal" <neil at JAMMConsulting.com> wrote:
> I am trying to figure out if there is a way to
> use snmpd on the host to measure the traffic
> usage of the guests. I do not want to require
> anything running on the guests since I do not
> control them.
[...]
> Is there a better way to determine which vnet is connected to
> which guest?
You can put ``virsh domname <domid>'' or just ``virsh list'' with some awk into an snmpd exec script to enumerate the vifs with their domain names.
> Also, does the mapping change when I stop and start guests
> or reboot the host?
Domain IDs do change between guest reboots so you will have to key your graphs with the domain name and not the vif name.
--
Christopher G. Stach II
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