Operation Manual – ARPH3C S7500E Series Ethernet Switches Chapter 1 ARP Configuration1-5To do… Use the command… RemarksConfigure anon-permanent staticARP entryarp static ip-addressmac-addressRequiredNo non-permanent staticARP entry is configuredby default.Caution:The vlan-id argument must be the ID of an existing VLAN which corresponds to theARP entries. In addition, the Ethernet port following the argument must belong to thatVLAN. A VLAN interface must be created for the VLAN.1.2.2 Configuring the Maximum Number of ARP Entries for a VLAN InterfaceFollow these steps to set the maximum number of dynamic ARP entries that a VLANinterface can learn:To do… Use the command… RemarksEnter system view system-view —Enter VLAN interface view interface Vlan-interface vlan-id —Set the maximum number ofdynamic ARP entries that aVLAN interface can learnarp max-learning-num number Optional8192 by default.1.2.3 Setting Aging Time for Dynamic ARP EntriesAfter dynamic ARP entries expire, the system will delete them from the ARP mappingtable. You can adjust the aging time for dynamic ARP entries according to the actualnetwork condition.Follow these steps to set aging time for dynamic ARP entries:To do… Use the command… RemarksEnter system view system-view —Set aging time fordynamic ARP entriesarp timer agingaging-timeOptional20 minutes by default.