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Pubforum 2011
Dublin/Ireland
The cloud in your hands ™
Citrix HDX 3D ™ in a NATshell - starring:




                            in a




    10.20.22.43                                           192.168.1.12




2                                  HDX 3D in a NATshell
Citrix HDX 3D ™ in a NATshell - Agenda


                      What it is …


                              Configure NAT

         Simulate an WAN
           environment

    Sources                            Optimize/
                                     Troubleshoot

3                                HDX 3D in a NATshell
What it is …
http://hdx.citrix.com/




                         Home
What it is …

 Download/obtain HDX 3D V1.1 from this source:
 https://www.citrix.com/English/ss/downloads/details.
  asp?downloadId=1858483&productId=163057
 HDX 3D consists of 2 download packages:
 FFMpeg Open Source (not needed - the “source”)
 HDX 3D Pro Graphics
 The 12.0.33 online Plugin included in the package
  has been super-seeded by:

 Do use the actual available Plugins (12.1/Nitro [13])
 The 12.1 plugin is considered as stable and has
    indeed the HDX 3D GPU support built in.
5                               HDX 3D in a NATshell
What it is …

     The RTM_with_12.0.1_client_health_Check_Tool
      package consists of:
     CitrixOnlinePluginFull.exe 12.0.33 –
      [-> Use the 12.1 Plugin - super-seed.]
     Documentation (Administrator's Guide,
      ReleaseNotes, User's Guide)
     HDX 3D Pro Graphics – HealthCheck.exe
     HDX3D_PROGFX_x64SERVERMSI.msi
     HDX3D_PROGFX_x86SERVERMSI.msi




6                                HDX 3D in a NATshell
What it is …


 Recommendations/prerequisites for HDX 3D:

 Actual plugins (12.1 and above on the client side)
 Older Plugins (e.g. 11.2) will just work – No HDX
 3D acceleration could be expected in here.

 Actual Workstation Hardware/Graphic Cards

 Up to date NVIDIA ™ Graphic Drivers (CUDA Drv.)

 An existing up and running XenDesktop 4
 infrastructure should be in place. (up to date).
 7                                HDX 3D in a NATshell
What it is …

    The purpose of HDX 3D is to „stream“ graphical
    intense data via special Codecs to the end-user.

 HDX 3D runs on bare metal workstations in the
    Datacenter with special GFX cards.

 XenDesktop is used to broker the 3D workstation
    to the user(s)

 HDX 3D is limited to 1 user-session/workstation.

 Actual HDX 3D is available for XenDesktop 3, 4.

 XenDesktop 5 support is planned – AFAIK with a
    SP, Feature Release (Codename “Alsace”)
8                                     HDX 3D in a NATshell
What it is …

 The codec is based on the open source FFMpeg
    http://www.ffmpeg.org/

 No pictures or picture deltas are flying over
    the wire – It is a pure media-stream. Think of
    „movie-streaming“.

 As GPUs are pretty               today the GPU
    does all the conversion parts
    e.g. CUDA - actual we have no FERMI support
    -> This is planned for the “Alsace” Release.


9                                 HDX 3D in a NATshell
What it is …

 HDX 3D usage scenarios can be widely
 seen in the CAD/CAM world.

 Think of Solidworks
  (http://www.solidworks.com/)
 Think of CATIA (http://www.3ds.com/)
 Think of the Autodesk product line
  (http://usa.autodesk.com/)
 Use 3D Apps as you might know it from
  XenApp, XenDesktop

 This is the brilliant idea behind HDX 3D.

10                               HDX 3D in a NATshell
What it is …

A typical usage example for HDX 3D (CATIA)




11                      HDX 3D in a NATshell
Why use HDX 3D NATed …



 Think of security – external workers,
 companies, customers, etc.
 Think of WAN/MAN infrastructures
 Think of branch offices
 Think of … The CLOUD




12                              HDX 3D in a NATshell
Configure NAT
http://support.citrix.com/article/CTX118175




                                  Home
NAT configuration – Big Picture




14                       HDX 3D in a NATshell
NAT configuration

 Check the Web Interface Connection from ASC
 Create a 2nd WI site (for internal/external access
  purposes)
 Register/check within DNS – DNS reverse lookup.
 Check all routing entries – everywhere.
 Look out for ARP anomalies.
 Do watch for TCP latency.
 BTW:
(http://oss.oetiker.ch/mrtg/ - nice one – OS !)

15                              HDX 3D in a NATshell
NAT configuration
 Configure the Citrix WI for NAT




16                              HDX 3D in a NATshell
NAT configuration

 Access Method -> Translated




17                              HDX 3D in a NATshell
NAT configuration

 Edit the translated access method




18                             HDX 3D in a NATshell
NAT configuration
 Type in all IP s of the HDX 3D boxes
 Type in your corresponding NAT external IP
     address.




19                               HDX 3D in a NATshell
NAT configuration
 Check out the firewall/router/NAT Settings
     Taken from http://support.citrix.com/article/CTX118175:
     You also must configure port forwarding three times:
     on the firewall, router, and NAT. Here is an example with IPTABLES:
     # iptables –t nat –A PREROUTING –I eth0 –p tcp - -dport 1491 –j DNAT - -
     to-destination xxx.xxx.xxx.xxx:1494

     Also, you must configure port forwarding for http to access the XenDesktop
     Server Web Interface: Port 80 (or 8080) to port 80 (or 8080) on IIS.
     # iptables –t nat –A PREROUTING –I eth0 –p tcp - -dport 80 –j DNAT - -to-
     destination xxx.xxx.xxx.xxx:80 (8080)

     Notice that the port number is always different on an External interface
     (coming from the public IP – source port). The Internal port (destination port)
     is the same because XenDesktop Agent is listening on the same port on each
     computer.
     For common used ports see: http://support.citrix.com/article/CTX101810

20                                                 HDX 3D in a NATshell
NAT configuration
 Add all internal HDX 3D Machines to the Web
  Interface translated configuration.
 Just to be sure ICMP ping the HDX 3D boxes from
  within the Web Interface to ensure that the boxes
  are reachable.
 You may use XDPing
  (http://support.citrix.com/article/CTX123278) to
  verify the ICA/HDX connection.
 What could strike:
    http://support.citrix.com/article/CTX711855
 Re-check your STA settings.
21                            HDX 3D in a NATshell
NAT configuration
 Review all your settings, Re-check everything with the
     firewall/security gents.

 This is “old school”.
 Think of a new Workstation kicking in or an IP-Address
  change.
 You may have to touch every Firewall/Router/Routing
  Tables, etc.

 The “Way Out”:
 Use a “transparent NAT”.
 A Netscaler ™ redundant powered CAGEE. This
     should be considered as the superior NAT related
     system – Advantage - A single point of administration.
22                                   HDX 3D in a NATshell
Simulate an WAN
Environment
Using Linux netem




                    Home
WAN-Emulation

 To simulate how Citrix HDX 3D performs in an WAN
  environment use netem
 http://www.linuxfoundation.org/collaborate/workgroups/
  networking/netem
 netem should be enabled in all actual Linux distros.
 Use the distribution of your choice – Build a Lab
  environment with a Linux box (at least 2 NICs) –
  configure as router [ e.g.
  https://help.ubuntu.com/community/Router] in between
  the test frontend (Client) and the backend XenDesktop
  with HDX 3D.
24                               HDX 3D in a NATshell
WAN-Emulation - Linux



      Open a shell.
      switch to root e.g. sudo /bin/bash or su
       -
      [type in your root password]
      We should be #root now, ma´am.




25                                  HDX 3D in a NATshell
WAN-Emulation - Linux

 Type in (e.g.):
 tc qdisc add dev eth0 root handle 1:0 netem
  delay 100ms loss 0.2% corrupt 0.1% reorder 2%
 [Return]
 Use replace if a configuration has already been
  applied




26                             HDX 3D in a NATshell
WAN-Emulation - Linux

 Verify your settings via
 tc -s qdisc show dev eth0
 Verify your settings with a ping –t from client side




27                               HDX 3D in a NATshell
WAN-Emulation - Linux


 To revert your settings to normal operation
  (default settings):
 Type in
 tc qdisc del dev eth0 root
 tc -s qdisc show dev eth0




28                              HDX 3D in a NATshell
WAN-Emulation - SOLARIS
      You can do WAN emulation with oracle SOLARIS ™ - If you dare ;-)
      See
      http://www.c0t0d0s0.org/archives/6625-Less-known-Solaris-features-hxbt-or-
       WAN-emulation.html
      And
      http://shalaka.wordpress.com/2010/05/21/emulating-wan-on-lan-using-solaris-10-
       ip-qos-and-dtrace/




29                                                   HDX 3D in a NATshell
Test


      We DO recommend a pre flight check.
      Simulate, simulate, simulate.
      Wireshark is your friend.
      If there are some quirks coming up to
      your attention the next chapter may be
      for your interest.




30                                 HDX 3D in a NATshell
Optimize/
Troubleshoot
A little help from your friends




                                  Home
Optimize/Troubleshoot
      You may disable CTX session reliability – as it could
      have some negative performance impacts.

      Check TCP Offloading – Try with or without. Disable
       if you spot issues [it depends on the NIC hardware].
      Windows 7
      %SYSTEMROOT%SYSTEM32netsh.exe int tcp set global chimney=disabled
      %SYSTEMROOT%SYSTEM32netsh.exe int tcp set global rss=disabled

      Windows XP
      "DisableTaskOffload"=dword:00000001
      "EnableRSS"=dword:00000000
      "EnableTCPChimney"=dword:00000000
      "EnableTCPA"=dword:00000000

32                                                HDX 3D in a NATshell
Optimize/Troubleshoot
      Optimize the TCP/IP Stack
      Please test these settings in a LAB !!!


      Windows 7

     [HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesTcpipParameters]
     "EnablePMTUBHDetect"=dword:00000001
     "KeepAliveTime"=dword:00007530
     "KeepAliveInterval"=dword:00001388
     "TcpMaxDataRetransmissions"=dword:00000005
     "EnableBcastArpReply"=dword:00000001
     "DisableTaskOffload"=dword:00000001


33                                                HDX 3D in a NATshell
Optimize/Troubleshoot
      Optimize the TCP/IP Stack


      Windows XP
     [HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesTcpipParameters]
     "DeadGWDetectDefault"=dword:00000000
     "DisableIPSourceRouting"=dword:00000002
     "EnableDeadGWDetect"=dword:00000000
     "EnableICMPRedirect"=dword:00000000
     "EnableMulticastForwarding"=dword:00000000
     "EnablePMTUDiscovery"=dword:00000001
     "EnablePMTUBHDetect"=dword:00000001
     "EnableAddrMaskReply"=dword:00000000




34                                                HDX 3D in a NATshell
Optimize/Troubleshoot
      Optimize the TCP/IP Stack (cont.)
      Windows XP
     [HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesTcpipParameters]
     "IPEnableRouter"=dword:00000000
     "KeepAliveTime"=dword:00300000
     "PerformRouterDiscovery"=dword:00000000
     "MaxHashTableSize"=dword:0000FFFF
     "MaxUserPort"=dword:0000FFFF
     "MaxFreeTcbs"=dword:00005000
     "NumTCPTablePartitions"=dword:00000004
     "SackOpts"=dword:00000001
     "Tcp1323Opts"=dword:00000003
     "TcpAckFrequency"=dword:0000000D
     "TcpMaxSendFree"=dword:0000FFFF
     "TcpTimedWaitDelay"=dword:0000001e
35                                               HDX 3D in a NATshell
Optimize/Troubleshoot

      Follow
       http://support.citrix.com/article/CTX125
       027
      Citing:
      Number of Buffers = TCP Receive Window/TCP MSS
      TCP MSS size used to round up should match OutBufLength under
       the following registry (default is 1460):
      [HKEY_LOCAL_MACHINESOFTWARECitrixICA
       ClientEngineConfigurationAdvancedModulesTCP/IP]
      "OutBufLength"="1460"
      Once calculated, update the client side registry with these values:
      HKEY_LOCAL_MACHINESOFTWARECitrixICA
       ClientEngineConfigurationAdvancedModulesTCP/IP
      "OutBufCountClient2"= Number of OutBufs (default is 44)
      "OutBufCountHost2"= Number of OutBufs (default is 44)
36                                                        HDX 3D in a NATshell
Optimize/Troubleshoot

Run C:Program Files (x86)CitrixICAService
HDX3DConfigCmdLineX64.exe or HDX3DConfigCmdLineX86.exe
DISPLAY Current_options

CODEC --> CPU
QUALITY MODE --> FIXED
MAX FRAME CAPTURE RATE --> 12
DEBUG LOGGING --> DISABLED

Set HDX3DConfigCmdLineX64.exe Switch_codec GPU

HDX3DConfigCmdLineX64.exe DISPLAY Current_options
CODEC --> GPU
QUALITY MODE --> FIXED
MAX FRAME CAPTURE RATE --> 12
DEBUG LOGGING --> DISABLED
37                                   HDX 3D in a NATshell
Optimize/Troubleshoot
        Run:
        The HDX 3D Health Check tool
        A 100% pass should look like this:




38                                 HDX 3D in a NATshell
Optimize/Troubleshoot

        Control if OpenGL is used - at the GFX Driver settings.
        Control if your HDX 3D App is using the GFX Card
         OGL




39                                      HDX 3D in a NATshell
Optimize/Troubleshoot
        To Disable the shutdown option on the WS:




40                                HDX 3D in a NATshell
Optimize/Troubleshoot
        To Disable Disconnect - Create a new GPO:
        Edit the policy and change the following to
         "enabled"

         Computer Configuration > Administrative
         Templates > Windows Components >
         Remote Desktop Services > Remote
         Desktop Session Host > Remote Session
         Environment > Remove Disconnect option
         from Shut Down dialog.


41                                HDX 3D in a NATshell
Optimize/Troubleshoot
        Review the disconnection settings:
        Follow:
         http://support.citrix.com/article/CTX127516
        You may have to alter/manipulate the default
         settings.

        Ensure that the latest available Virtual
         Desktop Agent (VDA) is installed on the HDX
         3D workstations –
        http://support.citrix.com/product/xd/v4.0/

42                                 HDX 3D in a NATshell
Optimize/Troubleshoot
        WAN optimization/Packet shaping/QOS
         could help – HDX 3D does need at least 1,5
         Mpbs (Better 2 and up) – Remember – This
         does NOT accelerate HDX 3D in any way.
        Citrix has an interesting offer:
        New XenDesktop Platinum Now Includes
         HDX WAN Optimization at No Additional
         Charge !
        See:
         http://community.citrix.com/pages/viewpage.ac
         tion?pageId=160366748
43                                HDX 3D in a NATshell
Optimize/Troubleshoot

        Use Quality of Service (QoS) e.g. on Port level.

        To cross the borders of Jordan ;-)

        WAN optimization can be done with Bluecoat ™
         or the other usual suspects. (F5/Riverbed, etc.)
        http://www.bluecoat.com/products/packetshaper




44                                  HDX 3D in a NATshell
Optimize/Troubleshoot
        Follow the HDX 3D troubleshooting guide:
        http://support.citrix.com/article/ctx123413

      Have a look at:
      http://community.citrix.com/blogs
       Please contribute here. You are the voice !!!
      https://community.citrix.com/kits/#/kit/1067009
      http://support.citrix.com/article/CTX124443:
        XenDesktop 4 HDX 3D for Professional
       Graphics 1.1 - Administrator's Guide
45                                  HDX 3D in a NATshell
Sources




          Home

46               HDX 3D in a NATshell
Sources involved here:
      Martin s & Ronald s HDX 3D deep dive - Many tnx mates

      http://dl.dropbox.com/u/936195/SUM303%20-
       %20HDX3D%20deep%20dive%20and%20best
       %20practices_v11_external.pptx
      Citrix sources:
      https://community.citrix.com/kits/#/kit/1067009
      http://support.citrix.com/article/CTX101810
      http://support.citrix.com/article/CTX118175 etc.
      © ™ - Copyrights/Trademarks by Citrix, Google,
       Microsoft, Dassault Systems, Addidas, visionapp

47                                          HDX 3D in a NATshell
About visionapp – what we do ?




48                      HDX 3D in a NATshell
A giveaway for the
Pubforum 2011 Dublin
attendees:

vRD 2011 special
Pubforum Edition
                   HDX 3D in a NATshell
Do you have any
Questions ?
Contact us at:
http://www.visionapp.com
info@visionapp.com
http://www.asg.com




                           Home

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HDX 3D

  • 2. Citrix HDX 3D ™ in a NATshell - starring: in a 10.20.22.43 192.168.1.12 2 HDX 3D in a NATshell
  • 3. Citrix HDX 3D ™ in a NATshell - Agenda What it is … Configure NAT Simulate an WAN environment Sources Optimize/ Troubleshoot 3 HDX 3D in a NATshell
  • 4. What it is … http://hdx.citrix.com/ Home
  • 5. What it is …  Download/obtain HDX 3D V1.1 from this source:  https://www.citrix.com/English/ss/downloads/details. asp?downloadId=1858483&productId=163057  HDX 3D consists of 2 download packages:  FFMpeg Open Source (not needed - the “source”)  HDX 3D Pro Graphics  The 12.0.33 online Plugin included in the package has been super-seeded by:  Do use the actual available Plugins (12.1/Nitro [13])  The 12.1 plugin is considered as stable and has indeed the HDX 3D GPU support built in. 5 HDX 3D in a NATshell
  • 6. What it is …  The RTM_with_12.0.1_client_health_Check_Tool package consists of:  CitrixOnlinePluginFull.exe 12.0.33 – [-> Use the 12.1 Plugin - super-seed.]  Documentation (Administrator's Guide, ReleaseNotes, User's Guide)  HDX 3D Pro Graphics – HealthCheck.exe  HDX3D_PROGFX_x64SERVERMSI.msi  HDX3D_PROGFX_x86SERVERMSI.msi 6 HDX 3D in a NATshell
  • 7. What it is …  Recommendations/prerequisites for HDX 3D:  Actual plugins (12.1 and above on the client side)  Older Plugins (e.g. 11.2) will just work – No HDX 3D acceleration could be expected in here.  Actual Workstation Hardware/Graphic Cards  Up to date NVIDIA ™ Graphic Drivers (CUDA Drv.)  An existing up and running XenDesktop 4 infrastructure should be in place. (up to date). 7 HDX 3D in a NATshell
  • 8. What it is …  The purpose of HDX 3D is to „stream“ graphical intense data via special Codecs to the end-user.  HDX 3D runs on bare metal workstations in the Datacenter with special GFX cards.  XenDesktop is used to broker the 3D workstation to the user(s)  HDX 3D is limited to 1 user-session/workstation.  Actual HDX 3D is available for XenDesktop 3, 4.  XenDesktop 5 support is planned – AFAIK with a SP, Feature Release (Codename “Alsace”) 8 HDX 3D in a NATshell
  • 9. What it is …  The codec is based on the open source FFMpeg http://www.ffmpeg.org/  No pictures or picture deltas are flying over the wire – It is a pure media-stream. Think of „movie-streaming“.  As GPUs are pretty today the GPU does all the conversion parts e.g. CUDA - actual we have no FERMI support -> This is planned for the “Alsace” Release. 9 HDX 3D in a NATshell
  • 10. What it is …  HDX 3D usage scenarios can be widely seen in the CAD/CAM world.  Think of Solidworks (http://www.solidworks.com/)  Think of CATIA (http://www.3ds.com/)  Think of the Autodesk product line (http://usa.autodesk.com/)  Use 3D Apps as you might know it from XenApp, XenDesktop  This is the brilliant idea behind HDX 3D. 10 HDX 3D in a NATshell
  • 11. What it is … A typical usage example for HDX 3D (CATIA) 11 HDX 3D in a NATshell
  • 12. Why use HDX 3D NATed …  Think of security – external workers, companies, customers, etc.  Think of WAN/MAN infrastructures  Think of branch offices  Think of … The CLOUD 12 HDX 3D in a NATshell
  • 14. NAT configuration – Big Picture 14 HDX 3D in a NATshell
  • 15. NAT configuration  Check the Web Interface Connection from ASC  Create a 2nd WI site (for internal/external access purposes)  Register/check within DNS – DNS reverse lookup.  Check all routing entries – everywhere.  Look out for ARP anomalies.  Do watch for TCP latency.  BTW: (http://oss.oetiker.ch/mrtg/ - nice one – OS !) 15 HDX 3D in a NATshell
  • 16. NAT configuration  Configure the Citrix WI for NAT 16 HDX 3D in a NATshell
  • 17. NAT configuration  Access Method -> Translated 17 HDX 3D in a NATshell
  • 18. NAT configuration  Edit the translated access method 18 HDX 3D in a NATshell
  • 19. NAT configuration  Type in all IP s of the HDX 3D boxes  Type in your corresponding NAT external IP address. 19 HDX 3D in a NATshell
  • 20. NAT configuration  Check out the firewall/router/NAT Settings Taken from http://support.citrix.com/article/CTX118175: You also must configure port forwarding three times: on the firewall, router, and NAT. Here is an example with IPTABLES: # iptables –t nat –A PREROUTING –I eth0 –p tcp - -dport 1491 –j DNAT - - to-destination xxx.xxx.xxx.xxx:1494 Also, you must configure port forwarding for http to access the XenDesktop Server Web Interface: Port 80 (or 8080) to port 80 (or 8080) on IIS. # iptables –t nat –A PREROUTING –I eth0 –p tcp - -dport 80 –j DNAT - -to- destination xxx.xxx.xxx.xxx:80 (8080) Notice that the port number is always different on an External interface (coming from the public IP – source port). The Internal port (destination port) is the same because XenDesktop Agent is listening on the same port on each computer. For common used ports see: http://support.citrix.com/article/CTX101810 20 HDX 3D in a NATshell
  • 21. NAT configuration  Add all internal HDX 3D Machines to the Web Interface translated configuration.  Just to be sure ICMP ping the HDX 3D boxes from within the Web Interface to ensure that the boxes are reachable.  You may use XDPing (http://support.citrix.com/article/CTX123278) to verify the ICA/HDX connection.  What could strike: http://support.citrix.com/article/CTX711855  Re-check your STA settings. 21 HDX 3D in a NATshell
  • 22. NAT configuration  Review all your settings, Re-check everything with the firewall/security gents.  This is “old school”.  Think of a new Workstation kicking in or an IP-Address change.  You may have to touch every Firewall/Router/Routing Tables, etc.  The “Way Out”:  Use a “transparent NAT”.  A Netscaler ™ redundant powered CAGEE. This should be considered as the superior NAT related system – Advantage - A single point of administration. 22 HDX 3D in a NATshell
  • 24. WAN-Emulation  To simulate how Citrix HDX 3D performs in an WAN environment use netem  http://www.linuxfoundation.org/collaborate/workgroups/ networking/netem  netem should be enabled in all actual Linux distros.  Use the distribution of your choice – Build a Lab environment with a Linux box (at least 2 NICs) – configure as router [ e.g. https://help.ubuntu.com/community/Router] in between the test frontend (Client) and the backend XenDesktop with HDX 3D. 24 HDX 3D in a NATshell
  • 25. WAN-Emulation - Linux  Open a shell.  switch to root e.g. sudo /bin/bash or su -  [type in your root password]  We should be #root now, ma´am. 25 HDX 3D in a NATshell
  • 26. WAN-Emulation - Linux  Type in (e.g.):  tc qdisc add dev eth0 root handle 1:0 netem delay 100ms loss 0.2% corrupt 0.1% reorder 2%  [Return]  Use replace if a configuration has already been applied 26 HDX 3D in a NATshell
  • 27. WAN-Emulation - Linux  Verify your settings via  tc -s qdisc show dev eth0  Verify your settings with a ping –t from client side 27 HDX 3D in a NATshell
  • 28. WAN-Emulation - Linux  To revert your settings to normal operation (default settings):  Type in  tc qdisc del dev eth0 root  tc -s qdisc show dev eth0 28 HDX 3D in a NATshell
  • 29. WAN-Emulation - SOLARIS  You can do WAN emulation with oracle SOLARIS ™ - If you dare ;-)  See  http://www.c0t0d0s0.org/archives/6625-Less-known-Solaris-features-hxbt-or- WAN-emulation.html  And  http://shalaka.wordpress.com/2010/05/21/emulating-wan-on-lan-using-solaris-10- ip-qos-and-dtrace/ 29 HDX 3D in a NATshell
  • 30. Test  We DO recommend a pre flight check.  Simulate, simulate, simulate.  Wireshark is your friend.  If there are some quirks coming up to your attention the next chapter may be for your interest. 30 HDX 3D in a NATshell
  • 31. Optimize/ Troubleshoot A little help from your friends Home
  • 32. Optimize/Troubleshoot  You may disable CTX session reliability – as it could have some negative performance impacts.  Check TCP Offloading – Try with or without. Disable if you spot issues [it depends on the NIC hardware].  Windows 7  %SYSTEMROOT%SYSTEM32netsh.exe int tcp set global chimney=disabled  %SYSTEMROOT%SYSTEM32netsh.exe int tcp set global rss=disabled  Windows XP  "DisableTaskOffload"=dword:00000001  "EnableRSS"=dword:00000000  "EnableTCPChimney"=dword:00000000  "EnableTCPA"=dword:00000000 32 HDX 3D in a NATshell
  • 33. Optimize/Troubleshoot  Optimize the TCP/IP Stack  Please test these settings in a LAB !!!  Windows 7 [HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesTcpipParameters] "EnablePMTUBHDetect"=dword:00000001 "KeepAliveTime"=dword:00007530 "KeepAliveInterval"=dword:00001388 "TcpMaxDataRetransmissions"=dword:00000005 "EnableBcastArpReply"=dword:00000001 "DisableTaskOffload"=dword:00000001 33 HDX 3D in a NATshell
  • 34. Optimize/Troubleshoot  Optimize the TCP/IP Stack  Windows XP [HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesTcpipParameters] "DeadGWDetectDefault"=dword:00000000 "DisableIPSourceRouting"=dword:00000002 "EnableDeadGWDetect"=dword:00000000 "EnableICMPRedirect"=dword:00000000 "EnableMulticastForwarding"=dword:00000000 "EnablePMTUDiscovery"=dword:00000001 "EnablePMTUBHDetect"=dword:00000001 "EnableAddrMaskReply"=dword:00000000 34 HDX 3D in a NATshell
  • 35. Optimize/Troubleshoot  Optimize the TCP/IP Stack (cont.)  Windows XP [HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesTcpipParameters] "IPEnableRouter"=dword:00000000 "KeepAliveTime"=dword:00300000 "PerformRouterDiscovery"=dword:00000000 "MaxHashTableSize"=dword:0000FFFF "MaxUserPort"=dword:0000FFFF "MaxFreeTcbs"=dword:00005000 "NumTCPTablePartitions"=dword:00000004 "SackOpts"=dword:00000001 "Tcp1323Opts"=dword:00000003 "TcpAckFrequency"=dword:0000000D "TcpMaxSendFree"=dword:0000FFFF "TcpTimedWaitDelay"=dword:0000001e 35 HDX 3D in a NATshell
  • 36. Optimize/Troubleshoot  Follow http://support.citrix.com/article/CTX125 027  Citing:  Number of Buffers = TCP Receive Window/TCP MSS  TCP MSS size used to round up should match OutBufLength under the following registry (default is 1460):  [HKEY_LOCAL_MACHINESOFTWARECitrixICA ClientEngineConfigurationAdvancedModulesTCP/IP]  "OutBufLength"="1460"  Once calculated, update the client side registry with these values:  HKEY_LOCAL_MACHINESOFTWARECitrixICA ClientEngineConfigurationAdvancedModulesTCP/IP  "OutBufCountClient2"= Number of OutBufs (default is 44)  "OutBufCountHost2"= Number of OutBufs (default is 44) 36 HDX 3D in a NATshell
  • 37. Optimize/Troubleshoot Run C:Program Files (x86)CitrixICAService HDX3DConfigCmdLineX64.exe or HDX3DConfigCmdLineX86.exe DISPLAY Current_options CODEC --> CPU QUALITY MODE --> FIXED MAX FRAME CAPTURE RATE --> 12 DEBUG LOGGING --> DISABLED Set HDX3DConfigCmdLineX64.exe Switch_codec GPU HDX3DConfigCmdLineX64.exe DISPLAY Current_options CODEC --> GPU QUALITY MODE --> FIXED MAX FRAME CAPTURE RATE --> 12 DEBUG LOGGING --> DISABLED 37 HDX 3D in a NATshell
  • 38. Optimize/Troubleshoot  Run:  The HDX 3D Health Check tool  A 100% pass should look like this: 38 HDX 3D in a NATshell
  • 39. Optimize/Troubleshoot  Control if OpenGL is used - at the GFX Driver settings.  Control if your HDX 3D App is using the GFX Card OGL 39 HDX 3D in a NATshell
  • 40. Optimize/Troubleshoot  To Disable the shutdown option on the WS: 40 HDX 3D in a NATshell
  • 41. Optimize/Troubleshoot  To Disable Disconnect - Create a new GPO:  Edit the policy and change the following to "enabled" Computer Configuration > Administrative Templates > Windows Components > Remote Desktop Services > Remote Desktop Session Host > Remote Session Environment > Remove Disconnect option from Shut Down dialog. 41 HDX 3D in a NATshell
  • 42. Optimize/Troubleshoot  Review the disconnection settings:  Follow: http://support.citrix.com/article/CTX127516  You may have to alter/manipulate the default settings.  Ensure that the latest available Virtual Desktop Agent (VDA) is installed on the HDX 3D workstations –  http://support.citrix.com/product/xd/v4.0/ 42 HDX 3D in a NATshell
  • 43. Optimize/Troubleshoot  WAN optimization/Packet shaping/QOS could help – HDX 3D does need at least 1,5 Mpbs (Better 2 and up) – Remember – This does NOT accelerate HDX 3D in any way.  Citrix has an interesting offer:  New XenDesktop Platinum Now Includes HDX WAN Optimization at No Additional Charge !  See: http://community.citrix.com/pages/viewpage.ac tion?pageId=160366748 43 HDX 3D in a NATshell
  • 44. Optimize/Troubleshoot  Use Quality of Service (QoS) e.g. on Port level.  To cross the borders of Jordan ;-)  WAN optimization can be done with Bluecoat ™ or the other usual suspects. (F5/Riverbed, etc.)  http://www.bluecoat.com/products/packetshaper 44 HDX 3D in a NATshell
  • 45. Optimize/Troubleshoot  Follow the HDX 3D troubleshooting guide:  http://support.citrix.com/article/ctx123413  Have a look at:  http://community.citrix.com/blogs Please contribute here. You are the voice !!!  https://community.citrix.com/kits/#/kit/1067009  http://support.citrix.com/article/CTX124443: XenDesktop 4 HDX 3D for Professional Graphics 1.1 - Administrator's Guide 45 HDX 3D in a NATshell
  • 46. Sources Home 46 HDX 3D in a NATshell
  • 47. Sources involved here:  Martin s & Ronald s HDX 3D deep dive - Many tnx mates  http://dl.dropbox.com/u/936195/SUM303%20- %20HDX3D%20deep%20dive%20and%20best %20practices_v11_external.pptx  Citrix sources:  https://community.citrix.com/kits/#/kit/1067009  http://support.citrix.com/article/CTX101810  http://support.citrix.com/article/CTX118175 etc.  © ™ - Copyrights/Trademarks by Citrix, Google, Microsoft, Dassault Systems, Addidas, visionapp 47 HDX 3D in a NATshell
  • 48. About visionapp – what we do ? 48 HDX 3D in a NATshell
  • 49. A giveaway for the Pubforum 2011 Dublin attendees: vRD 2011 special Pubforum Edition HDX 3D in a NATshell
  • 50. Do you have any Questions ? Contact us at: http://www.visionapp.com info@visionapp.com http://www.asg.com Home