The voice services of the AG are interrupted frequently, and packets are discarded when the AG pings the UMG.
1. Check the CPU of all devices, and they are normal.
9. Change slots 14 and 15 of the UMG to slots 12 and 13 and perform the test. Voice services are not interrupted for a long time. The R&D confirms that the hardware in slots 14 and 15 fails.
According to the phenomenon, voice services are interrupted because of packet loss. The network is an NGN bearer network and only voice services are carried. The network attacks and link traffic flows can be removed.
5. Other causes.
At present, the NGN is widely applied and has high requirements on the bearer network. The problem is related to many network elements and products, so locating the problem is difficult. You need perform the test step by step.