The Network Layer
The Network layer enables administrators to instantaneously detect network connection failures that could render the Solaris kernel inaccessible to users, and any unexpected / unusual increase in traffic to or from the kernel.
Figure 3 : The tests mapped to the Network layer
These tests have been elaborately discussed in the Monitoring Unix and Windows Servers document. In addition, the following tests also run on the layer, but are disabled by default.
Ethernet Link Aggregation Test