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 …
“Do I Know This Already?” Quiz–Cisco Configuring a Network
Take the quiz (either here or use the PTP software) if you want to use the score to help you decide how much time to spend on this chapter. Appendix A, “Answers to the ‘Do I Know This Already?’ Quizzes,” …
Review All the Key Topics–Cisco Managing Networks
Review All the Key Topics Table 21-3 lists the key topics for this chapter. Table 21-3 Key Topics for Chapter 21 Concepts and Actions Review the concepts considered in this chapter using Table 21- 4. You can cover the right …
The Half-Split Method–Cisco Troubleshooting
When faced with a problem, most engineers will start with the following: • The most recent change • Where most failures have happened in the past • What the engineer is most familiar with Starting with the most recent change …
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. • …
Connecting to Manage–Cisco Managing Networks
Chapter 10 covered two kinds of common management ports: console ports and management Ethernet ports. You can use these ports to connect to a router in several ways—either using in-band or out-of-band management. In-Band and Out-of-Band Management In-band management means …