Update guide [Документация VAS Experts]
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    en:dpi:changelog:update_guide [2026/02/12 09:25] – [DPI update] elena.krasnobryzhen:dpi:changelog:update_guide [2026/02/12 09:29] (current) – [Version rollback] elena.krasnobryzh
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     </note> </note>
      
     +====Features of updating in a distributed installation====
     +If the SSG (fastdpi) and PCRF (fastpcrf) modules are installed on different physical or virtual servers, two conditions must be met:
     +  - **Uniform software version:**\\ Ensure that the same versions of the fastdpi and fastpcrf packages are installed on both servers. Version mismatches between SSG and PCRF can lead to errors.
     +  - **Restart sequence:**\\ Processes must be restarted in the order specified below to restore the connection correctly.\\ Procedure for a distributed scheme:
     +    - On the SSG server, stop the DPI service:<code bash>service fastdpi stop</code>
     +    - On the PCRF server, restart the PCRF service:<code bash>service fastpcrf restart</code>
     +    - On the SSG server, start the fastdpi service:<code bash>service fastdpi start</code>
     +This order ensures that all services are started correctly.
     =====Service restart===== =====Service restart=====
      
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     </code> </code>
      
    -**Recommended pcrf restart order:**+**Recommended PCRF restart order:**
     <code bash> <code bash>
     service fastdpi stop service fastdpi stop
    Line 62: Line 70:
      
       * Example rollback to version 14.0:<code bash>yum downgrade fastdpi-14.0 fastpcrf-14.0 dpiutils-14.0 fastradius-14.0</code>   * Example rollback to version 14.0:<code bash>yum downgrade fastdpi-14.0 fastpcrf-14.0 dpiutils-14.0 fastradius-14.0</code>
    -  * Example rollback to version 12.4:<code bash>yum downgrade fastdpi-12.4-0 fastpcrf-12.4-0</code>+  * Example rollback to version 12.4:<code bash>yum downgrade fastdpi-12.4-0 fastpcrf-12.4-0 dpiutils-12.4-0 fastradius-12.4-0</code>
      
     After rollback, service restart is required: After rollback, service restart is required:
     <code bash> <code bash>
    -service fastdpi restart+service fastdpi stop 
     +service fastpcrf restart 
     +service fastdpi start
     </code> </code>