Operation Manual – ARPH3C S5600 Series Ethernet Switches Chapter 3 Resilient ARP Configuration3-2Follow these steps to configure the Resilient ARP function:To do… Use the command… RemarksEnter system view system-view —Enable the Resilient ARPfunction resilient-arp enable RequiredEnabled by default.Configure the VLANinterface through whichResilient packets are sentresilient-arp interfacevlan-interface vlan-idOptionalBy default, Resilient ARPpackets are sent throughthe interface of VLAN 1(VLAN-interface 1).Display information aboutthe Resilient ARP statedisplay resilient-arp[ unit unit-id ] Available in any viewNote that the above configuration specifies the VLAN interface through which Resilientpackets are sent, whereas all the VLAN interfaces can receive Resilient ARP packets.3.3 Resilient ARP Configuration ExampleI. Network requirementsThere are four units in an IRF network: unit 1 to unit 4. Unit 1 and unit 3 connect toanother switch (Switch) through link aggregation. If the connection between unit 1 andunit 3 and the connection between unit 2 and unit 4 break off, there will be two Layer 3switches with the same configuration in the network. In this case, problems occur inpackets forwarding between the fabric and the Switch. You can enable the ResilientARP function for the fabric to avoid the problems. For security concerns, you need toenable MD5 authentication function. The ports through which unit 3 and unit 4 connectto the Switch belong to VLAN 2.II. Network diagramSwitchUnit 1Unit 4Unit 3Unit 2IRFFigure 3-1 Network diagram for Resilient ARP
