Dell S6000 FTOS 9.0(2.0) Command Line Reference Guide for the System - Page 469

Command History Version 9.0.2.0 Version 8.3.11.1 Introduced on the S6000. Introduced on Z9000 Usage Information You cannot use Class D or Class E IP addresses or zero IP address (0.0.0.0) when creating a static ARP. Zero MAC addresses (00:00:00:00:00:00) are also invalid. Related Commands clear arp-cache show arp Clear dynamic ARP entries from the ARP table. Display ARP table. arp backoff-time z Set the an exponential timer for resending unresolved ARPs. S6000 Syntax arp backoff-time seconds Parameters seconds Enter the number of seconds an ARP entry is black-holed. Range: 1 to 3600. Default: 30 Defaults 30 Command Modes CONFIGURATION Command History Version 9.0.2.0 Version 8.3.11.1 Version 8.3.7.0 Introduced on the S6000. Introduced on Z9000 Introduced on the S4810. Usage Information This timer is an exponential backoff timer. Over the specified period, the time between ARP requests increases. This reduces the potential for the system to slow down while waiting for a multitude of ARP responses. Related Commands show arp retries Display the configured number of ARP retries. arp learn-enable z S6000 Enable ARP learning via Gratuitous ARP. Syntax arp learn-enable Defaults Disabled Command Modes CONFIGURATION IPv4 Routing | 469