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AIX with 2 Net Interfaces lose connectivity

  • 1.  AIX with 2 Net Interfaces lose connectivity

    Posted Fri July 04, 2014 03:16 PM

    Originally posted by: kopper


    hi guys

    We have a AIX Server with TSM installed.

    This server has en0 for administration purposes and we have en1 for backup stuff.

    en0 subnet 10.10.10.x

    en1 subnet 10.10.20.x

    The issue we are having is all of a sudden the LPARs we are backing up lose connectivity to the AIX-TSM Server. for example

    en1 ip is 10.10.20.10 and a TSM LPAR client that we are backing up is 10.10.20.11

    Backup fails and we found that LPAR client 10.10.20.11 won't ping 10.10.20.10, but if go to the AIX-TSM server ping works and ping from LPAR client is back.

    It's like ping from the AIX-TSM box reactivates connectivity.

    Something important to mention we found the problem making backups but today we were doing to test and the connectivity is gone doing nothing and pinging from AIX-TSM server to LPAR Clients reactivates it

    Anyone has seen an issue like this?

    en0 is always fine 

    thanks a lot


    #AIX-Forum


  • 2.  Re: AIX with 2 Net Interfaces lose connectivity

    Posted Sun July 06, 2014 06:15 PM

    Originally posted by: kopper


    found something, in this pureflex I have also Intel servers with Vmware which host some Windows VMs, I configure a Windows VM in the same VLAN and the Windows VM does not lose connectivity to the AIX-TSM IP.
     
    Something else I found doing some more testing If I change the IP to the AIX-TSM server AIX LPARs won't ping
     
    for example
     
    AIX-TSM Server IP 10.10.20.10 If I change it to 10.10.20.30 LPARs AIX won't ping now Windows VM pings without any problem
    to get AIX  LPARs ping I have to go to the AIX-TSM server and ping any ip in the 10.10.20.x segment
     
    so far looks like AIX issue...?
    should I add a static route or something? but the thing is the AIX I am testing right now only have one interface in the 10.10.20.x segment not like the production LPARs
     
    thanks

    #AIX-Forum


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