CCNA Cisco Certified Network Associate Study Guide - FTP Server

374 Chapter 7 � Managing a Cisco Internetwork
4. From Router B, press Ctrl+Shift+6, then X to return to Router A’s
command prompt. Now telnet into your third router, Router C. Press
Ctrl+Shift+6, then X to return to Router A.
5. From Router A, type show sessions. Notice your two sessions. You
can press the number displayed to the left of the session and press
Enter twice to return to that session. The asterisk shows this default
session. You can press Enter twice to return to that session.
6. Go to the session for your Router B. Type show user. This shows the
console connection and the remote connection. You can use the
disconnect command to clear the session, or just type exit from the
prompt to close your session with Router B.
7. Go to the Router C’s console port by typing show sessions on the first
router and using the connection number to return to Router C. Type
show user and notice the connection to your first router, Router A.
8. Type clear line to disconnect the Telnet session.
Lab 7.6: Resolving Hostnames
1. Log in to your router and go into privileged mode by typing en or
enable.
2. From Router A, type todd and press Enter at the command prompt.
Notice the error you receive and the delay. The router is trying to
resolve the hostname to an IP address by looking for a DNS server.
You can turn this feature off by using the no ip domain-lookup command
from global configuration mode.
3. To build a host table, you use the ip host command. From Router A,
add a host table entry for Router B and Router C by entering the following
commands:
ip host routerb ip_address
ip host routerc ip_address
Here is an example:
ip host routerb 172.16.20.2
ip host routerc 172.16.40.2