7-10 CHAPTER 7: ADMINISTERING IP ROUTING
The contents of the ARP cache are displayed as shown in the example
below.
Slot 3- IP forwarding is enabled,
IP Address MAC Address Interface
158.101.1.112 08-00-1e-31-a6-2 1
158.101.1.117 08-00-1e-65-21-07 1
Slot 3- IP forwarding is enabled
Removing an ARP
Cache Entry
You may want to remove an entry from the ARP cache if the MAC address
has changed. To remove an entry from the ARP cache:
1From the top level of the Administration Console, enter:
ip arp remove
2Enter the slot of the switching module for which you want to remove an
ARP cache entry.
3Enter the IP address you want to remove.
The address is immediately removed from the table. If necessary, the
switching module will subsequently use ARP to find the new MAC address
corresponding to that IP address.
Flushing the ARP
Cache
You may want to delete all entries from the ARP cache if the MAC address
has changed. To remove all entries from the ARP cache:
1From the top level of the Administration Console, enter:
ip arp flush
2Enter the slot of the switching module for which you want to remove all
entries from the ARP cache.
The ARP cache entries are immediately removed from the table.
Top-Level Menu
system
ethernet
fddi
tokenring
bridge
➧ip
ipx
appletalk
snmp
analyzer
script
logout
interface
route
➧arp
udpHelper
forwarding
rip
ping
statistics
display
➧remove
flush
Top-Level Menu
system
ethernet
fddi
tokenring
bridge
➧ip
ipx
appletalk
snmp
analyzer
script
logout
interface
route
➧arp
udpHelper
forwarding
rip
ping
statistics
display
remove
➧flush