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Load balancer setup

KGH
1-Visitor
1-Visitor

Load balancer setup

Is any one has documentation on how to setup load balancer or alternative solution for this.

5 REPLIES 5
jzupfer
12-Amethyst
(To:KGH)

Hi, Ravi,

The Windchill Advanced Deployment Guide describes how to configure multiple method servers and set properties for load balancing. If you have comments about this content, I'd really appreciate hearing from you.

Thanks,

Jane

Jane Zupfer
VP, Enterprise Products Publications
E -

gdefaux
7-Bedrock
(To:jzupfer)

Hello Jane,

Jumping in after 1 year, maybe you can help!

PTC recommends using HTTPS for both internal and external users, and that's what has been implemented at Lacoste. A load balancer (F5 Big IP) has been used to handle traffic to 2 methods servers. F5 has been configured to do SSL Off-loading between F5 and method servers. It works well, except for Windchill administrative pages. Indeed, Windchill pages contain explicit references to HTTP link (CSS files, JS files), and the browser at the client side blocks the access due to mixed content in an HTTPS page (see attached file).

Do you have any idea how this issue can be fixed?

mixed content windchill.png

Regards,

Gilles Defaux

Lacoste

Check if the http protocol is  being used on the slaves nodes.

Also make sure that the web servers on all the nodes use SSL( need not be public facing certs - but name should match the Windchill cluster name used on the LB) as well in addition to the SSL off loading at the LB. A simple test would be to run the windchill wt.auth.Authentication  command and check. This is needed for the communication between the nodes themselves.

Hello Nanda,

Thanks for your answer. Regarding the protocol being used on all nodes:

  • in wt.properties file, the property entry "wt.webserver.protocol" is set to "https" value for all nodes
  • in wt.properties file, the property entry "wt.server.codebase" is set by a string which starts by "https://" and followed by Lacoste url

Regarding your advise to run the windchill wt.auth.Authentication command, since technical administration is not my area of expertise, could you please describe more how this command should be run and with which parameters ? I guess the windchill shell should be used...

Thanks a lot for your help.

Regards,

Gilles Defaux

ChrisSpartz
13-Aquamarine
(To:gdefaux)

To run the command, you just need to enter 'windchill wt.auth.Authentication' in a Windchill shell (without the quotes). This will pop up a dialog box prompting you to enter a username and password for authentication. If you're running a headless environment, you can pass the username/password on the command line by running the below command instead:
windchill --javaargs="-Dcom.ptc.net.auth.user=<username> -Dcom.ptc.net.auth.password=<password>" wt.auth.Authentication

Replacing <username> and <password> with a valid username and password.

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