[SwitchA-GigabitEthernet1/0/2] mac-forced-forwarding network-port
Configure Switch B:
4.
# 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 GigabitEthernet 1/0/6 as a network port.
[SwitchB] interface gigabitethernet 1/0/6
[SwitchB-GigabitEthernet1/0/6] mac-forced-forwarding network-port
Manual-mode MFF configuration example in a ring network
Network requirements
As shown in
and Host C are configured with IP addresses manually. They are isolated at Layer 2, and can
communicate with each other through the gateway. To ensure communication between hosts and the
server, the IP address of the server is specified on the MFF devices manually.
Figure 87 Network diagram
Configuration procedure
Configure IP addresses of the hosts, as in shown in
1.
Configure the IP address of VLAN-interface 1 on the gateway.
2.
<Gateway> system-view
[Gateway] interface Vlan-interface 1
[Gateway-Vlan-interface1] ip address 10.1.1.100 24
Configure Switch A:
3.
# Enable STP.
[SwitchA] stp enable
Figure
87, all the devices are in VLAN 100, and the switches form a ring. Host A, Host B,
Figure
87.
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