![](/images/new-backgrounds/1193097/19309737x1.webp)
Chapter 2 Monitoring the System
Monitoring with Cisco IOS Software
Evaluating Reachability and Response Times
Polling remote parts of the network enables you to test reachability and measure response times.
Note For information about ping command usage, see Chapter 4, “System Troubleshooting Guidelines,” and Chapter 7, “Solving Serial Connection Problems.”
Caution Polling activity can result in a significant increase in network traffic. Therefore it is important to carefully assess what level of monitoring is appropriate for your organization.
Evaluating Traffic Loads
You can use protocol analyzers or SNMP tools to record traffic loads between important sources and destinations. (See Chapter 4, “System Troubleshooting Guidelines,” for additional information about protocol analyzers and other monitoring and troubleshooting tools.) The objective is to document how much data can pass between pairs of autonomous systems, networks, hosts, or applications. Source and destination
In-Band Versus Out-of-Band Monitoring
Another important factor affecting how and when you perform network monitoring is the degree to which monitoring either does or does not consume system bandwidth. Depending on how your network is structured, you can use
|
| Cisco ICS 7750 Administration and Troubleshooting Guide |
|
|
|
|
| ||
|
|
| ||
|
|
|