On 2015年12月30日 00:46, Michael S. Tsirkin wrote:
> Interesting. So you sare saying merely ifdown/ifup is 100ms?
> This does not sound reasonable.
> Is there a chance you are e.g. getting IP from dhcp?
> If so that is wrong - clearly should reconfigure the old IP
> back without playing with dhcp. For testing, just set up
> a static IP.

MAC and IP are migrated with VM to target machine and not need to
reconfigure IP after migration.

>From my test result, ixgbevf_down() consumes 35ms and ixgbevf_up()
consumes 55ms during migration.

Best regards
Tianyu Lan
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