371 
[SwitchA-vlan-100] mac-forced-forwarding default-gateway 10.1.1.100 
# Specify the IP address of the server. 
[SwitchA-vlan-100] mac-forced-forwarding server 10.1.1.200 
# Enable ARP snooping. 
[SwitchA-vlan-100] arp-snooping enable 
[SwitchA-vlan-100] quit 
# Configure Ethernet 1/0/2 and Ethernet 1/0/3 as network ports. 
[SwitchA] interface ethernet 1/0/2 
[SwitchA-Ethernet1/0/2] mac-forced-forwarding network-port 
[SwitchA-Ethernet1/0/2] quit 
[SwitchA] interface ethernet 1/0/3 
[SwitchA-Ethernet1/0/3] mac-forced-forwarding network-port 
4.  Configure Switch B 
# Enable STP. 
[SwitchB] stp enable 
# Configure manual-mode MFF. 
[SwitchB] vlan 100 
[SwitchB-vlan-100] mac-forced-forwarding default-gateway 10.1.1.100 
# Specify the IP address of the server. 
[SwitchB-vlan-100] mac-forced-forwarding server 10.1.1.200 
# Enable ARP snooping. 
[SwitchB-vlan-100] arp-snooping enable 
[SwitchB-vlan-100] quit 
# Configure Ethernet 1/0/4 and Ethernet 1/0/6 as network ports. 
[SwitchB] interface ethernet 1/0/4 
[SwitchB-Ethernet1/0/4] mac-forced-forwarding network-port 
[SwitchB- Ethernet1/0/4] quit 
[SwitchB] interface ethernet 1/0/6 
[SwitchB-Ethernet1/0/6] mac-forced-forwarding network-port 
5.  Configure Switch C 
# Enable STP. 
<SwitchC> system-view 
[SwitchC] stp enable