I'm working on a deployment to interconnect 2 offices each with its own CME/CUE.
I got each cluster working individually pretty well. I'm baffled by the problems encountered when I configured the IPSEC tunnel to carry the interoffice traffic.
Based on the attached diagram, Individual CME/CUE cluster works perfectly.
Standard IPSEC tunnel between CME router and ASA is formed. Interesting traffic is 10.4.0.0 and 10.1.0.0 respectively.
> Ping from LAN 10.1.14.0 is successful to 10.4.14.0 and 10.4.12.0 hosts.
> Ping from LAN 10.4.14.0 is successful to 10.1.14.0 and 10.1.12.0 hosts.
> Ping from CME(left side) to 10.4.14.0 or 10.4.12.0 UNSUCCESSFUL. It is successful with extended ping by specifying source address of 10.1.14.1
> extension 51xx (10.1.12.0 phones) can be dialled by extension 55xx (10.4.12.0 phones)
However no voice heard between phones when pick up, and cannot route to voicemail box.
> extension 55xx (10.4.12.0 phones) cannot even be dialled by extension 51xx (10.1.12.0 phones)
I wonder if it's because the CME (left side) is using the 66.X.X.X address as the source address and it is not considered interesting traffic... I'll have to do some debug / packet capture to check again...
Please share any insights on multi-site CME deployment over VPN, and idea on what I'm doing wrong...
Many thanks in advance,