I got an issue with RTMT for a sub that sits across the wan to another location. Phones and gateways are registered fine with the remote sub but when I opened RTMT, the counter for CM heartbeat is "0", as well as phone registered counter, gateways registered counter.
But when I opened a particualr gateway on the remote sub, I can see the active call stats from RTMT. Also the server process report on RTMT shows nothing at all.
The wan link is 6M and it is using around 30-40%. RTT ping time is around 2-10ms in average and 20-30ms max. QOS is configured for cs3 and ef, other traffic falls under default WFQ. I didn't see any drop packets for cs3 and ef.
CPU level is really low and we have 2G memory and roughly 1G is used. But the RTMT shows 100% memory usage but it didn't send out alarm.
I guess because the stats are not correct, so this weekend when the remote site lost power, we didn't get any RTMT alarm.
I also dealing with the same problem today, and that happens after I patched my Call Manager from 4.1(3)SR4d to 4.1(3)SR5b. I think the problem is not because the server is in remote site, because I have 1 remote sub that can be monitored by RTMT.
I have 1 pub, and 3 subs, but only 2 subs are monitored. The other 2 have the same problem as yours.
I think that I forgot to activate any service that relates to RTMT, but when I compare the running sub and the failed sub, nothing different. May be you can try to see yours ?
Let's work on it together. Someone can explain about this ?
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