I have a CUCM 7.x cluster and a Cisco VG. From time to time my VG loses MGCP registration and people can't dial out. I have traced the mgcp packets on the VG and CUCM cluster.
I can see that VG is still sending NTFY messages and receiving Acknowledgement 200 from the CUCM cluster. Even though my Packets recvd counter is not increasing. When I check the registration status on CUCM (Device-> Gateway) the gateway port is registered.
Can you help? I have attached the logs file from CUCM and VG.
How your CUCM and VG are connected? Is it over the WAN or LAN? Try to check network status (Link flaps) during issue. It will be helpful if you can provide output of ping (1000 counts) from VG to CUCM during the issue.
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