[Xen-users] Problem pinging the xen guest after live migration

[Srija G <srijavg@xxxxxxxxx>]

Hi ,


  I am getting the delay in pinging (from different network) , the guest  after live migration .

  Here is the scenario: 

0.   OS : RHEL5.4  86_64

1.   Host-A. 

      Port eth1 , it is trunked with  three subnets

             xxx.xx.15.xxx
             xxx.xx.16.xxx
             xxx.xx.17.xxx

     Guest created on  15, 16 ,17 subnets.  

     Gust15-A  created on subnet 15
     Gust16-A  created on subnet 16
     Gust17-A  created on subnet 17

2.   Host-B.

      Port eth0 and eth1  are bonded to bond0

      Bond0 is trunked, with three subnets.  

             xxx.xx.15.xxx
             xxx.xx.16.xxx
             xxx.xx.17.xxx


     Guest created on  15, 16 ,17 subnets.  

     Gust15-B  created on subnet 15
     Gust16-B  created on subnet 16
     Gust17-B  created on subnet 17

     I have used  the mode option   in /etc/modprobe.conf as 
     options bond0 mode=1 miimon=100  ,  As because  mode=4 did not work, It seems  the 
     link aggregation is not properly set or something else. As the switch configuration is
     the part of different team, I can't explain it clearly here.  

     But with mode=1 , it is working at this stage.

3.  I am trying to live migrate Guest15-A and other guests to Host-b. Migration is ok.
    But,there is 5 munites  delay.  The guests are pingable only after 4/5 munites
    from different network  after migration.



Can anyone please advice , where to check?  Do you think it is the switch configuration issues?

If server side configuration issue then I can do it.  If it is switch side issues , please
give me the pointers or advice , so that I can discuss with the network team.

If more explanation is needed , please let me know.

Thanks in advance.
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