H3C S5120-EI Series Configuration Manual page 28

Figure 11 Network diagram
Device
Master
Transmission path blocked by STP
Transmission path for common service packets
Transmission path for gratuitous ARP packets
Configuring ARP MAD detection
3.
Follow these steps to configure ARP MAD:
To do...
Enter system view
Assign a domain ID to the IRF
fabric
Create a new VLAN dedicated to
ARP MAD detection
Return to system view
Enter Ethernet interface view
Access port
Trunk port
Assign the port
to the VLAN
dedicated for
ARP MAD
Hybrid port
detection
IP network
STP domain
To avoid loops, all devices
in the domain have to be
configured with the MSTP
function.
IRF
IRF link
Slave
Use the command...
system-view
irf domain domain-id
vlan vlan-id
quit
interface interface-type
interface-number
port access vlan vlan-id
port trunk permit vlan vlan-id
port hybrid vlan vlan-id
Device
21
Remarks
—
Required
By default, the domain ID of an
IRF fabric is 0.
Required
The default VLAN on the switch
is VLAN 1.
—
—
Required
You can select one approach
according to the port type.
ARP MAD detection has no
requirement on the link type of
the detection port, and you do
not need to modify the current
link type.
By default, the port is an access
port.