Reference Guide

32 Command Groups
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IP Addressing
show ip igmp snooping
groups
Displays multicast groups learned by IGMP
snooping.
User EXEC
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