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Step
Enter Ethernet interface view
7.
or interface range view.
8.
Assign the Ethernet port or
the range of Ethernet ports to
the specified aggregation
group.
Configuring BFD MAD
When you configure BFD MAD, follow these guidelines:
Category
BFD MAD VLAN
BFD MAD VLAN and feature
compatibility
MAD IP address
To configure BFD MAD:
Command
Enter interface range view:
Method 1:
interface range { interface-type
interface-number [ to
interface-type
interface-number ] } &<1-5>
Method 2:
interface range name name
[ interface { interface-type
interface-number [ to
interface-type
interface-number ] } &<1-5> ]
Enter Ethernet interface view:
interface interface-type
interface-number
port link-aggregation group number
Restrictions and guidelines
Do not enable BFD MAD on VLAN-interface 1.
If you are using an intermediate device, assign the ports of BFD MAD links to
the BFD MAD VLAN on the device.
The IRF fabrics in a network must use different BFD MAD VLANs.
Do not use the BFD MAD VLAN for any purpose other than configuring BFD
MAD. Layer 2 or Layer 3 features, including ARP and LACP, cannot work on
the BFD MAD-enabled VLAN interface or any port in the VLAN. If you
configure any other feature on the VLAN, neither the configured feature nor
the BFD MAD feature will work correctly.
Disable the spanning tree feature on any Layer 2 Ethernet ports in the BFD
MAD VLAN. The MAD feature is mutually exclusive with the spanning tree
feature.
Do not bind a BFD MAD-enabled VLAN interface to any VPN instance. The
MAD feature is mutually exclusive with VPN.
To avoid problems, only use the mad ip address command to configure IP
addresses on the BFD MAD-enabled VLAN interface. Do not configure an IP
address by using the ip address command or configure a VRRP virtual
address on the BFD MAD-enabled VLAN interface.
All MAD IP addresses on the BFD MAD-enabled VLAN interface must be on
the same subnet.
28
Remarks
To assign a range of ports to the
aggregation group, enter
interface range view.
To assign one port to the
aggregation group, enter
Ethernet interface view.
Multichassis link aggregation is
allowed.
Also perform this step on the
intermediate device.

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