The Network Layer
The Network layer enables administrators to instantaneously detect network connection failures that could render the XenServer host inaccessible to users, and any unexpected / unusual increase in traffic to or from the XenServer host.
Figure 1 : The tests mapped to the Network layer
The Network and NetworkTraffic tests have been elaborately discussed in the Monitoring Unix and Windows Servers document. The section to come therefore will deal with the XenNetwork test alone.