Forum Discussion
Robert_77728
Jun 17, 2011Nimbostratus
web service issue
I have a web service that is being called through the Big-IP LTM on port 81. This just HTTP, no HTTPS. For some reason the web service won't load/respond but if you go to each server it works fine so I know it's a Big-IP issue. The web service calls another web service so that may have something to do with it but everything stays on port 81 with HTTP. Any thoughts or ideas on what the issue could be? Thank you.
- hooleylistCirrostratusHi Robert,
- Robert_77728Nimbostratusyes it has tcp under the health monitors for the pool. This pool is setup the same way as the pool that handles the HTTP traffic on port 80 on the same two servers with the exception of the session persistence. Port 80 has it and port 81 doesn't!! The port 80 traffic is working fine but the web service on port 81 isn't. The HTTP traffic and the port 81 traffic share the same virtual server 10.194.11.111
- hooleylistCirrostratusCan you try a tcpdump then:
- Gortguy_105156NimbostratusIs TCP port 81 added to your list of available virtual services?
- Robert_77728NimbostratusI did the TCP dump using the "Support" option and downloaded it but how do I read it? WinDbg opens it but most of it is unreadable.
- hooleylistCirrostratusYou can use wireshark:
- Robert_77728NimbostratusI have the info but can I email to you and let you take a look at it? I don't know what a TCP handshake looks like; I'm a newbie at this!
- hooleylistCirrostratusIf you need help analyzing the tcpdump you can open a support case.
- Robert_77728NimbostratusThanks.
- natheCirrocumulusRobert,
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