Microsoft ES4649 Manual De Usuario
Command Line Interface
4-246
4
Address Resolution Protocol (ARP)
arp
This command adds a static entry in the Address Resolution Protocol (ARP) cache.
Use the no form to remove an entry from the cache.
Use the no form to remove an entry from the cache.
Syntax
arp ip-address hardware-address
no arp ip-address
no arp ip-address
• ip-address - IP address to map to a specified hardware address.
• hardware-address - Hardware address to map to a specified IP address.
• hardware-address - Hardware address to map to a specified IP address.
(The format for this address is xx-xx-xx-xx-xx-xx.)
Default Setting
No default entries
Command Mode
Global Configuration
Command Usage
• The ARP cache is used to map 32-bit IP addresses into 48-bit hardware (i.e.,
Media Access Control) addresses. This cache includes entries for hosts and
other routers on local network interfaces defined on this router.
other routers on local network interfaces defined on this router.
• The maximum number of static entries allowed in the ARP cache is 128.
• You may need to enter a static entry in the cache if there is no response to an
• You may need to enter a static entry in the cache if there is no response to an
ARP broadcast message. For example, some applications may not respond
to ARP requests or the response arrives too late, causing network operations
to time out.
to ARP requests or the response arrives too late, causing network operations
to time out.
Example
Related Commands
clear arp-cache
show arp
show arp
Table 4-81 Address Resolution Protocol Commands
Command
Function
Mode
Page
arp
Adds a static entry in the ARP cache
GC
arp-timeout
Sets the time a dynamic entry remains in the ARP cache
GC
clear arp-cache
Deletes all dynamic entries from the ARP cache
PE
show arp
Displays entries in the ARP cache
NE, PE 4-247
ip proxy-arp
Enables proxy ARP service
VC
Console(config)#arp 10.1.0.19 01-02-03-04-05-06
Console(config)#
Console(config)#