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Displaying and maintaining MFF
Execute display commands in any view.
Task
Display MFF port configuration information.
Display the MFF configuration information for a VLAN.
MFF configuration examples
Manual-mode MFF configuration example in a tree network
Network requirements
As shown in
addresses manually.
Configure MFF to isolate the hosts at Layer 2 and allow them to communicate with each other
through Gateway at Layer 3.
Figure 131 Network diagram
FGE1/1/3
Host A
10.1.1.1/24
Host B
10.1.1.2/24
FGE1/1/1
Host C
10.1.1.3/24
Configuration procedure
1.
Configure the IP addresses of the hosts and Gateway as shown in
2.
Configure Switch A:
# Configure manual-mode MFF on VLAN 100.
[SwitchA] vlan 100
[SwitchA-vlan100] mac-forced-forwarding default-gateway 10.1.1.100
# Specify the IP address of the server.
[SwitchA-vlan100] mac-forced-forwarding server 10.1.1.200
# Enable ARP snooping on VLAN 100.
[SwitchA-vlan100] arp snooping enable
[SwitchA-vlan100] quit
# Configure FortyGigE 1/1/2 as a network port.
[SwitchA] interface fortygige 1/1/2
Figure
131, all the devices are in VLAN 100. Hosts A, B, and C are assigned IP
Switch A
FGE1/1/3
FGE1/1/2
FGE1/1/4
FGE1/1/4
FGE1/1/2
Switch B
Command
display mac-forced-forwarding interface
display mac-forced-forwarding vlan vlan-id
Switch C
FGE1/1/1
427
Gateway
10.1.1.100/24
Server
10.1.1.200/24
Figure
131.
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Troubleshooting
