The Network Layer
Using the tests associated with the The Network Layer (see Figure 1), you can monitor the failure traps sent by the CiscoUnified Communications Manager and reports the count of device failures and malicious calls.
Since the Network, Device uptime, and Network Interfaces tests mapped to the Network Layer have been elaborately discussed in Monitoring Cisco Router document, the sections to come will discuss the CCM Traps test in detail.
Figure 1 : The list of tests associated with the Network Layer