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8. Routing Commands
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8.1 Address Resolution Protocol (ARP) Commands
8.1.1 Show Commands
8.1.1.1 show ip arp
This command displays the Address Resolution Protocol (ARP) cache.
Syntax
show ip arp
Default Setting
None
Command Mode
Privileged Exec
Display Message
Age Time: Is the time it takes for an ARP entry to age out. This value was configured into the unit.
Age time is measured in seconds.
Response Time: Is the time it takes for an ARP request timeout. This value was configured into the
unit. Response time is measured in seconds.
Retries: Is the maximum number of times an ARP request is retried. This value was configured into
the unit.
Cache Size: Is the maximum number of entries in the ARP table. This value was configured into the
unit.
Dynamic renew mode: Displays whether the ARP component automatically attempts to renew
dynamic ARP entries when they aged out.
Total Entry Count Current/Peak: Field listing the total entries in the ARP table and the peak entry
count in the ARP table.
Static Entry Count Configured/Active/Max: Field listing configured static entry count, active static
entry count, and maximum static entry count in the ARP table.
The following are displayed for each ARP entry.
IP Address: Is the IP address of a device on a subnet attached to an existing routing interface.
MAC Address: Is the hardware MAC address of that device.
Interface: Is the routing slot/port associated with the device ARP entry