42 Command Groups
IP Addressing Commands
Command Group Description Access Mode
ip address Sets an IP address. Interface
Configuration
ip address dhcp Acquires an IP address on an interface from the
DHCP server.
Interface
Configuration
ip default-gateway Defines a default gateway (router). Global
Configuration
show ip interface Displays the usability status of interfaces configured
for IP.
Privileged EXEC
arp Adds a permanent entry in the ARP cache. Global
Configuration
arp timeout Configures how long an entry remains in the ARP
cache.
Global
Configuration
clear arp-cache Deletes all dynamic entries from the ARP cache. Privileged EXEC
show arp Displays entries in the ARP table. Privileged EXEC
ip domain-lookup Enables the IP Domain Naming System (DNS)-
based host name-to-address translation.
Global
Configuration
ip domain-name Defines a default domain name that the software
uses to complete unqualified host names.
Global
Configuration
ip name-server Sets the available name servers. Global
Configuration
ip host Defines static host name-to-address mapping in the
host cache.
Global
Configuration
clear host Deletes entries from the host name-to-address
cache.
Privileged EXEC
clear host dhcp Deletes entries from the host name-to-address
mapping received from Dynamic Host
Configuration Protocol (DHCP).
Privileged EXEC
show hosts Displays the default domain name, a list of name
server hosts, the static and cached list of host names
and addresses.
Privileged EXEC
book.book Page 42 Thursday, December 18, 2008 7:40 PM