1-9To do… Use the command… RemarksConfigure the port stateauto-recovery intervalarp protective-down recoverinterval intervalOptionalBy default, when the port stateauto-recovery function isenabled, the port stateauto-recovery interval is 300seconds.z You need to enable the port state auto-recovery feature before you can configure the port stateauto-recovery interval.z You are not recommended to configure the ARP packet rate limit function on the ports of a fabric oran aggregation group.Configuring Gratuitous ARPFollow these steps to configure gratuitous ARP:To do… Use the command… RemarksEnter system view system-view —Enable the gratuitous ARPpacket learning functiongratuitous-arp-learningenableOptionalEnabled by default.Enable the master switch of aVRRP backup group to sendgratuitous ARP packetsperiodicallyarp send-gratuitous enablevrrpOptionalDisabled by default.z The sending of gratuitous ARP packets is enabled as long as an S5600 switch operates. Nocommand is needed for enabling this function. That is, the device sends gratuitous ARP packetswhenever a VLAN interface is enabled (such as when a link is enabled or an IP address isconfigured for the VLAN interface) or whenever the IP address of a VLAN interface is changed.z As for S5600 series Ethernet switches, before enabling the master switch of a VRRP backup groupto send gratuitous ARP packets periodically, you need to create the VRRP backup group andperform corresponding configurations. Refer to the part discussing VRRP in this manual for details.Displaying and Debugging ARPTo do… Use the command… RemarksDisplay specific ARP mappingtable entriesdisplay arp [ static | dynamic |ip-address ] Available in any view
