Cisco IOS in a Nutshell, 2nd Edition

Name

clear — command

Synopsis

clear command

Description

A clear command erases counters for various statistics or performs a reset action. For example, clear line clears an asynchronous line and drops the connection, while clear cdp counters resets the Cisco Discovery Protocol statistics. Table 17-4 summarizes the many clear commands.

Table 17-4. Clear commands

Command	Subcommand	Action
clear access-list	counters	Clears access list statistical information.
clear access-template		Clears the access template.
clear arp-cache		Clears the entire ARP cache.
clear bridge		Resets bridge forwarding cache.
	multicast	Resets multicast group state.
clear bstun		Clears counters displayed in show bstun.
clear cdp		Resets CDP information.
	counters	Clears CDP counters.
	table	Clears the CDP table.
clear counters	interface	Clears counters on one or all interfaces.
clear controller
clear crypto		Resets encryption subsystem.
clear dialer	interface	Clears dialer statistics.
clear frame-relay-inarp		Clears inverse ARP entries from the map table.
clear host	*	Deletes all host table entrie.s
	name	Deletes the given host table entry.
clear hub	ethernet n	Clears (resets) a hub.
	counters	Clears hub statistics.
clear interface		Clears the hardware logic on an interface.
clear ip access-list counters		Clears access list statistical information.
clear ip access-template		Clears the IP access template.
clear ip ...