I’ve been working on collab edge for about a month with another co-worker. It’s been a rough road to say the least. We are getting very close and one of our major issues was the external collab edge SRV record which we fixed a couple days ago. We have CUCM 9.1.2, VCS C/E X8.1, and Jabber 9.6 (also tested a beta version of 9.7). When logging in externally, we are getting an error using Jabber for Windows that says:
“Cannot communicate with server”
On the VCS C/E, it appears as though CUCM is sending “404 Not Found” when it’s looking for the CSFxxxx.cnf.xml file. I can log in over the VPN or from a machine locally. I’ve verified I can browse to the CSFxxxx.cnf.xml file and can also download it via TFTP locally or over the VPN. CUCM gets the request for the file...I’ve looked through enough logs to it come in then spit out a 404. Pretty stumped. Here are some logs.
Can you get a network capture of the working and non-working case using the 'utils network capture' command on the TFTP server? Something like this should do the trick:
utils network capture count 10000 size ALL port 6970 file tftp
Then grab the file using:
file get activelog platform/cli/tftp.cap
Very good idea. I just performed these packet captures and I saw quite a bit when I logged in internally. The capture from an external log in had zero packets with port 6970. I did it twice just to make sure. Oddly enough, VCS still shows a 404 coming back from CUCM and the tomcat logs show the same - the GET CSF.cnf.xml file errors out with a 404. Seems like there's an issue with the TFTP request from VCS.
Something doesn't make sense because if the tomcat logs show the GET, it has to be on the wire. While you are doing the capture, can you look at the tomcat logs and see if you see the request coming in? Might be worth it to turn up the debug level for the TFTP service and see if anything shows up in there too.
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