195[SwitchA-vlan100] quit[SwitchA] interface vlan-interface 100[SwitchA-Vlan-interface100] ip address 10.1.1.1 255.255.255.0[SwitchA-Vlan-interface100] quit# Configure an IPv4 address for interface GigabitEthernet 1/0/2, the physical interface of thetunnel.[SwitchA] vlan 101[SwitchA-vlan101] port GigabitEthernet 1/0/2[SwitchA-vlan101] quit[SwitchA] interface vlan-interface 101[SwitchA-Vlan-interface101] ip address 1.1.1.1 255.255.255.0[SwitchA-Vlan-interface101] quit# Create service loopback group 1, and configure the service type as tunnel.[SwitchA] service-loopback group 1 type tunnel# Add port GigabitEthernet 1/0/3 to service loopback group 1, and disable STP, and LLDP on theport.[SwitchA] interface GigabitEthernet 1/0/3[SwitchA-GigabitEthernet1/0/3] undo stp enable[SwitchA-GigabitEthernet1/0/3] undo lldp enable[SwitchA-GigabitEthernet1/0/3] port service-loopback group 1[SwitchA-GigabitEthernet1/0/3] quit# Create a tunnel interface Tunnel1.[SwitchA] interface tunnel 1# Configure an IPv4 address for the tunnel interface Tunnel1.[SwitchA-Tunnel1] ip address 10.1.2.1 255.255.255.0# Configure the tunnel encapsulation mode as GRE over IPv4.[SwitchA-Tunnel1] tunnel-protocol gre# Configure the source address of the tunnel interface as the IP address of the VLAN interface 101,the VLAN interface to which port GigabitEthernet 1/0/2 belongs.[SwitchA-Tunnel1] source vlan-interface 101# Configure the destination address of the tunnel interface as the IP address of the VLAN interfaceto which GigabitEthernet 1/0/2 of Switch B belongs.[SwitchA-Tunnel1] destination 2.2.2.2# Apply service loopback group 1 to the tunnel in tunnel interface view.[SwitchA-Tunnel1] service-loopback-group 1[SwitchA-Tunnel1] quit# Configure a static route from Switch A through the tunnel interface to Group 2.[SwitchA] ip route-static 10.1.3.0 255.255.255.0 tunnel 12. Configure Switch B:# Configure an IPv4 address for interface GigabitEthernet 1/0/1. system-view[SwitchB] vlan 100[SwitchB-vlan100] port GigabitEthernet 1/0/1[SwitchB-vlan100] quit[SwitchB] interface vlan-interface 100[SwitchB-Vlan-interface100] ip address 10.1.3.1 255.255.255.0[SwitchB-Vlan-interface100] quit
