Operation Manual – ARPH3C S5600 Series Ethernet Switches Chapter 1 ARP Configuration1-11Note:z The sending of gratuitous ARP packets is enabled as long as an S5600 switchoperates. No command is needed for enabling this function. That is, the devicesends gratuitous ARP packets whenever a VLAN interface is enabled (such aswhen a link is enabled or an IP address is configured for the VLAN interface) orwhenever the IP address of a VLAN interface is changed.z As for S5600 series Ethernet switches, before enabling the master switch of aVRRP backup group to send gratuitous ARP packets periodically, you need tocreate the VRRP backup group and perform corresponding configurations. Refer tothe part discussing VRRP in this manual for details.1.4 Displaying and Debugging ARPTo do… Use the command… RemarksDisplay specific ARPmapping table entriesdisplay arp [ static | dynamic |ip-address ]Display the ARP mappingentries related to aspecified string in aspecified waydisplay arp [ dynamic | static ] |{ begin | include | exclude }regular-expressionDisplay the number of theARP entries of a specifiedtypedisplay arp count [ [ dynamic |static ] [ | { begin | include |exclude } regular-expression ] |ip-address ]Display the statisticsabout the untrusted ARPpackets dropped by thespecified portdisplay arp detection statisticsinterface interface-typeinterface-numberDisplay the setting of theARP aging timer display arp timer agingAvailable in anyviewClear specific ARP entriesreset arp [ dynamic | static |interface interface-typeinterface-number ]Available in userview1.5 ARP Configuration Examples1.5.1 ARP Basic Configuration ExampleI. Network requirementsz Disable ARP entry check on the switch.
