Figure 7 BFD MAD application scenario
Master
ARP MAD
ARP MAD detects multi-active collisions by using extended gratuitous ARP packets that convey the
IRF domain ID and the active ID.
You can set up ARP MAD links between neighbor IRF member devices, or more commonly, between
each IRF member device and an intermediate device (see
used, you must also run the spanning tree feature between the IRF fabric and the intermediate
device.
Customer
premises
network
Device
IRF
BFD MAD link
VLAN 2
192.168.1.2/24
IRF link
Internet
Link aggregation
VLAN 2
192.168.1.3/24
Subordinate
9
Figure
8). If an intermediate device is