H3C Technologies H3C S7500E Series Switches - Manual (Page 23)

1-16
Figure 1-6 Network diagram for BFD MAD detection
Device
Master Slave
IRF virtual device
Internet
Terminal
network
IRF link
Aggregation group on
Device, used for
forwarding service
packets
BFD MAD link
Vlan2
192.168.1.2/24 Vlan2
192.168.1.3/24
3) Configuring BFD MAD detection
Configure BFD MAD detection in the following order:
z Create a VLAN dedicated for BFD MAD detection; (also required on the intermediate device if any)
z Select the physical IRF ports to be used for BFD MAD detection (at least one on each member
device) and add them into the detection-dedicated VLAN; (also required on the intermediate device
if any)
z Create VLAN interfaces for the detection-dedicated VLAN, enable BFD MAD detection on these
interfaces, and then assign MAD IP addresses for them.
Follow these steps to configure BFD MAD:
To do… Use the command… Remarks
Enter system view system-view —
Create a new VLAN dedicated for
the BFD MAD detection
vlan vlan-id
Required
The default VLAN on the device
is VLAN 1.
Return to system view quit —
Enter Ethernet interface view
interface interface-type
interface-number
—
Access port port access vlan vlan-id Assign the port
to the VLAN
dedicated for
Trunk port port trunk permit vlan vlan-id
Required
You can select one approach