1-23
To do…
Use the command…
Remarks
Enable LACP MAD detection
mad enable
Required
Disabled by default.
Even though this command can
be configured on both static and
dynamic aggregate interfaces, it
takes effect only on dynamic
aggregate interfaces. This is
because this detection approach
depends on LACP.
Return to system view
quit
—
Enter Ethernet interface view
interface interface-type
interface-number
—
Assign the current Ethernet
interface to the specified
aggregation group
port link-aggregation group
number
Required
Configuring BFD MAD
BFD MAD detection mechanism
BFD MAD is implemented with the BFD protocol. In this approach, to configure BFD MAD detection,
configure a MAD IP address on a BFD-enabled Layer 3 interface for each member device. This MAD
address identifies the member during BFD MAD detection. The MAD IP addresses assigned to the
member devices must belong to the same network segment.
z
When the IRF virtual device operates normally, only the MAD IP address of the master is effective
and the BFD session is down.
z
When the IRF virtual device partitions, the MAD IP addresses of the masters in different IRF virtual
devices become effective to activate the BFD sessions to detect for multi-active IRF virtual device
collision.
Network requirements
BFD MAD detection can be achieved with or without intermediate devices. The commonly used
networking diagram is as shown in
Figure 1-10
: there must be a BFD MAD detection link among all
members, and the interfaces connected by this link must belong to the same VLAN. In VLAN interface
view, assign different IP addresses on the same network segment for different member devices.
A Layer 3 interface used for BFD MAD must be dedicated. Do not configure any other services on a
Layer 3 interface with BFD MAD enabled; otherwise, both the configured services and the BFD MAD
detection function may be affected.
