Configuring Arp Timeout; Enabling Proxy Arp; Clearing Arp Cache - Dell C9000 Series Networking Configuration Manual

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arp-inpsecton-trust

Dell(conf)#int peGigE 0/0/0

Dell(conf-if-pegi-0/0/0)# arp-inpsection-trust

Configuring ARP Timeout

Use the arp backoff-timer command for setting the exponential timer for resending unresolved ARPs.

Set the exponential timer for resending unresolved ARPs.

CONFIGURATION Mode

arp backoff-time seconds / minutes

Enter the number of seconds an ARP entry is black-holed. The range is from 1 to 3600. The default is 30

Enter the number of minutes an ARP entry is balck-holed. The range is from 0 to 35790. The default is 4

Dell(conf)#arp backoff-time minutes

By default, Proxy ARP is enabled. To disable Proxy ARP, use the no ip proxy-arp command in the interface

To re-enable Proxy ARP, use the following command.

Re-enable Proxy ARP.

INTERFACE mode

ip proxy-arp

To view if Proxy ARP is enabled on the interface, use the show config command in INTERFACE mode. If it is

not listed in the show config command output, it is enabled. Only non-default information is displayed in

the show config command output.

To clear the ARP cache of dynamically learnt ARP information, use the following command.

Clear the ARP caches for all interfaces or for a specific interface by entering the following information.

EXEC privilege

clear arp-cache [interface | ip ip-address] [no-refresh]

ip ip-address (OPTIONAL): enter the keyword ip then the IP address of the ARP entry you wish

IPv4 Routing