Configuring Routing–Cisco Configuring a Network
Whenever there is a reachability problem, the best place to start looking for the problem is the routing table, which you can see by using show ip route. Figure 23-8 illustrates the parts of show ip route’s output. Figure 23-8 …
Packet Captures–Cisco Troubleshooting
The case study in the previous section used only the ping command to capture information about the network. What if the problem were host A’s connection to server X is slow, while D’s connection to server X is performing normally? …
Failure Terminology–Cisco Troubleshooting
While it is often tempting to start putting a new piece of flat-pack furniture together without bothering to read the long instruction sheet, it is almost always a better idea to understand how the parts are labeled and how they …
Managing Change–Cisco Managing Networks
Change management is the set of formal and informal processes used to manage changes to a network over time. Change management plans have many components, including • Testing processes that must be followed before network changes can be implemented. • …