i am working on a network problem, when migrating domU''s
my example
* i migrate domU from server A to B.
* same mac address in domU
* the migration works perfect
* only the network switch doesn''t realize that domU
is on another port, all network traffic goes to server A
( watched the bridge with tcpdump )
* after some time, the switch cleans his arp cache and
sends broadcast for the domU mac address
i can speed up this process, if i ping something
from within domU, so the switch recognizes that this
mac address is on another port.
but how can i do this automatically ?
is there a way to get the domU ping something when migrating ?
( maybe some kind of udev event ? )
is there a way to tell the switch to clean the arp cache ?
my system
two HP bl465 Blade Server on SAN Storage over Fc.
the domU blockdevice is on shared lvm ( clmv )
server os is Centos 5.1 64Bit
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