3-4[Switch-Vlan-interface3] quit# Configure the IP address of VLAN-interface 4 to be 192.168.1.27/24.[Switch] interface Vlan-interface 4[Switch-Vlan-interface4] ip address 192.168.1.27 24[Switch-Vlan-interface4] quit# Enter VLAN-interface 3 view, and enable common proxy ARP on it.[Switch] interface Vlan-interface 3[Switch-Vlan-interface3] arp proxy enable[Switch-Vlan-interface3] quit# Enter VLAN-interface 4 view, and enable common proxy ARP on it.[Switch] interface Vlan-interface 4[Switch-Vlan-interface4] arp proxy enable[Switch-Vlan-interface4] quitLocal Proxy ARP Configuration in Port Isolation ApplicationNetwork requirementsz Switch A (a S5500-EI series Ethernet switch) is connected to Switch B through Ethernet 1/0/1.z Ethernet 1/0/2 and Ethernet 1/0/3 on Switch B belong to VLAN 1, and are connected to Host A andHost B respectively.z Host A and Host B isolated at Layer 2 can communicate at Layer 3 through Switch A.Network diagramFigure 3-4 Network diagram for local proxy ARP configuration in port isolation applicationConfiguration procedure1) Configure Switch B# Add Ethernet 1/0/2 and Ethernet 1/0/3 into an isolation group, disabling Host A and Host B fromcommunicating with each other at Layer 2.For details about port isolation, refer to the part discussing port isolation. system-view[SwitchB] interface Ethernet 1/0/2[SwitchB-Ethernet1/0/2] port isolate[SwitchB-Ethernet1/0/2] quit[SwitchB] interface Ethernet 1/0/3[SwitchB-Ethernet1/0/3] port isolate