CCENT/CCNA ICND1
Official Exam Certification Guide, Second Edition
Wendell Odom, CCIE No. 1624

Cisco Press
800 East 96th Street Indianapolis, Indiana 46240 USA

Command References

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in this exam preparation section. To check to see how well you have memorized the commands as a side effect of your other studies, cover the left side of the table with a piece of paper, read the descriptions in the right side, and see if you remember the command.
Table 17-3 Command

Chapter 17 Configuration Command Reference
Description

encapsulation {hdlc | ppp | frame-relay} clock rate speed bandwidth speed-kbps description text
Table 17-4 Command

Serial interface subcommand that defines the data-link protocol to use on the link Serial interface subcommand that, when used on an interface with a DCE cable, sets the clock speed in bps Interface subcommand that sets the router’s opinion of the link speed, in kbps, but has no effect on the actual speed Interface subcommand that can set a text description of the interface

Chapter 17 EXEC Command Reference
Description

show ip nat translations show dhcp server clear ip nat translation * show interfaces

Lists the NAT/PAT translation table entries Lists information learned from a DHCP server, by a router acting as a DHCP client Clears (removes) all dynamic entries in the NAT table Lists several important settings on serial links, including encapsulation, bandwidth, keepalives, the two status codes, description, and IP address/ mask Lists whether a cable is connected to the interface, and if so, whether it is a DTE or DCE cable Lists a single line per interface (or if the interface is included, just one line of output total) that lists the interface status and description Lists a single line per interface, listing the IP address and interface status

show controllers serial number show interfaces [type number] description show ip interface brief

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Chapter 17: WAN Configuration

One negative of