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4 Replies

  • Most likely it is a server issue. The BIG-IP will not send HTTP and HTTP response codes in case something is wrong with the backend or with the config.

    You can easily take a tcpdump on the BIG-IP and trace under which condition the backend server sends the 504 HTTP status.

    • THE_BLUE's avatar
      THE_BLUE
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      so normally what is the cause of this response code ? does this due to The application takes longer to respond than the configured idle timeout?

       

      So do I have to check anything from server side?

      for bigip i will try tcpdump and will check the logs.

       

      Thanks in advance.

  • 504 Gateway Timeout is explained here.

    "The HyperText Transfer Protocol (HTTP) 504 Gateway Timeout server error response code indicates that the server, while acting as a gateway or proxy, did not get a response in time from the upstream server that it needed in order to complete the request."

     

    Are you load balancing to some other kind of reverse proxy? Apache, NGINX?

    • THE_BLUE's avatar
      THE_BLUE
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      NO, no extra reverse proxy. only we have bigip