Operation Manual – ARPH3C S7500 Series Ethernet Switches Chapter 1 ARP Configuration1-81.2.3 Configuring the Maximum Number of ARP Entries that Can Be LearntFollow these steps to configure the maximum number of ARP entries that can be learnton a port:To do… Use the command… RemarksEnter system view system-view —Configure the totalmaximum number of ARPentriesarp max-entry number OptionalIt is 8192 by default.Enter port view interface interface-typeinterface-number —Configure the maximumnumber of dynamic ARPentries that can be learntby the portarp max-dynamic-entrynumberOptionalIt is 2048 by default.1.2.4 Configuring the Aging Time for Dynamic ARP EntriesFollow these steps to configure the aging time for dynamic ARP entries:To do… Use the command… RemarksEnter system view system-view —Configure the aging timefor dynamic ARP entriesarp timer agingaging-timeOptionalBy default, this time is 20minutes.1.2.5 Configuring ARP Entry CheckingFollow these steps to enable ARP entry checking:To do… Use the command… RemarksEnter system view system-view —Enable ARP entry checkingto disable the switch fromlearning ARP entries withmulticast MAC addressesarp check enableOptionalBy default, the function isenabled and no multicastMAC address ARP entrywill be learnt.1.2.6 Configuring the Gratuitous ARP Update IntervalFollow these steps to configure the gratuitous ARP update interval:
