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Neeraj_Jags_152's avatar
Neeraj_Jags_152
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Jan 12, 2015

Remode Desktop not Load Balancing Round Robin

I have F5 - LTM with below h/w CPU Status Index Temp(degC) Fan Speed(rpm) 1 33 15913

 

Platform Name C112 BIOS Revision OBJ-0433-xx Build: 1.12.137.0 10/30/2012 Base MAC 00:23:e9:70:d2:c0

 

-- in partition called = scms_prod created one Virtual Server = Type Standard for VIP on port 3389 as per the document from F5 http://www.f5.com/pdf/deployment-guides/f5-microsoft-remote-desktop-services-dg.pdf and having two Nodes with SNAT and Persistance Profile is rdp and NO-iRule Method- Round Robin. But connection on Pool are not load balancing . what could be the problem and how to troubleshoot.

 

application delivery
availability
deployment
LTM
performance
virtualization

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  • Neeraj_Jags_152's avatar
    Neeraj_Jags_152
    Icon for Cirrus rankCirrus
    Jan 12, 2015

    output of ..in partition is below show /ltm persistence persist-records mode msrdp all-properties

     

    Sys::Persistent Connections

     

    msrdp - VIP-RDP%2:3389 - NODE-1%2:3389

    TMM 2 Mode msrdp Value AVPR-PMPS Age (sec.) 23 Virtual Name /scms_prod/PIM-PSM-MGT_3389_vs Virtual Addr VIP-RDP%2:3389 Node Addr NODE-1%2:3389 Pool Name /scms_prod/PIM-PSM-MGT_3389_pool

     

    msrdp - VIP-RDP%2:3389 - NODE-1%2:3389

    TMM 1 Mode msrdp Value AVPR-PMPS Age (sec.) 23 Virtual Name /scms_prod/PIM-PSM-MGT_3389_vs Virtual Addr VIP-RDP%2:3389 Node Addr NODE-1%2:3389 Pool Name /scms_prod/PIM-PSM-MGT_3389_pool

     

    msrdp - VIP-RDP%2:3389 - NODE-1%2:3389

    TMM 0 Mode msrdp Value PSMConnec Age (sec.) 2 Virtual Name /scms_prod/PIM-PSM-MGT_3389_vs Virtual Addr VIP-RDP%2:3389 Node Addr NODE-1%2:3389 Pool Name /scms_prod/PIM-PSM-MGT_3389_pool

     

  • Neeraj_Jags_152's avatar
    Neeraj_Jags_152
    Icon for Cirrus rankCirrus
    Jan 12, 2015

    remaining.

     

    msrdp - VIP-RDP%2:3389 - NODE-1%2:3389

    TMM 1 Mode msrdp Value PSMConnec Age (sec.) 5 Virtual Name /scms_prod/PIM-PSM-MGT_3389_vs Virtual Addr VIP-RDP%2:3389 Node Addr NODE-1%2:3389 Pool Name /scms_prod/PIM-PSM-MGT_3389_pool

     

    msrdp - VIP-RDP%2:3389 - NODE-1%2:3389

    TMM 3 Mode msrdp Value PSMConnec Age (sec.) 5 Virtual Name /scms_prod/PIM-PSM-MGT_3389_vs Virtual Addr VIP-RDP%2:3389 Node Addr NODE-1%2:3389 Pool Name /scms_prod/PIM-PSM-MGT_3389_pool

     

    msrdp - VIP-RDP%2:3389 - NODE-1%2:3389

    TMM 2 Mode msrdp Value PSMConnec Age (sec.) 1 Virtual Name /scms_prod/PIM-PSM-MGT_3389_vs Virtual Addr VIP-RDP%2:3389 Node Addr NODE-1%2:3389 Pool Name /scms_prod/PIM-PSM-MGT_3389_pool

     

    Total records returned: 6

     

  • mikeshimkus_111's avatar
    mikeshimkus_111
    Historic F5 Account
    Jan 16, 2015

    Hi Neeraj,

     

    I'm guessing AVPR-PMPS and PSMConnec are your user names? Did both those users have an existing session on node 1 before you started testing? You will need to kill the terminal services session on the Remote Desktop each time before you connect to see if load balancing is working. Once you have a TS session on the server, the msrdp profile will bypass load balancing and send the connection to that server every time.

     

    Mike

     

  • Neeraj_Jags_152's avatar
    Neeraj_Jags_152
    Icon for Cirrus rankCirrus
    Jan 16, 2015

    Hi mike, appreciate your response over.

     

    I tried to stop all the sessions. when all the connections becomes Zero, I checked again and found that when users started getting connection ratio of connection to be 80:10, sometimes 80:05, but as per round robing every new connection to be sent to different server, however I have tried the least connection as well. here to mention that I captured one more log also where all the users were different - different users.

     

    regards, Neeraj Jagetia

     

  • Neeraj_Jags_152's avatar
    Neeraj_Jags_152
    Icon for Cirrus rankCirrus
    Jan 16, 2015

    Mike, this is the one-App-portal identifier from where the user click to connect some application and RDP is being initiated to open the browser to access resources like other app / putty /etc.. this is cyber arc PIM system.

     

  • mikeshimkus_111's avatar
    mikeshimkus_111
    Historic F5 Account
    Jan 16, 2015

    What I'm getting at is I think there may be a limit to the number of characters the msrdp persistence profile can use for the persistence key. If those 2 values are domain names, that could explain why they aren't unique.