Configuring bfd mad – H3C Technologies H3C SecPath F5020 User Manual
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In a context environment, if you change the IRF domain ID on one context, the IRF domain IDs
on all other contexts change automatically. The irf domain command is available only on the
default context. The mad arp enable and mad nd enable commands are available on any
contexts.
•
To prevent a port from being shut down when the IRF fabric transits to the Recovery state, use the
mad exclude interface command. To bring up ports in a Recovery-state IRF fabric, you can use the
mad restore command. The mad restore command activates the entire IRF fabric.
Configuring BFD MAD
When you use BFD MAD, follow these restrictions and guidelines:
Category Restrictions
and
guidelines
BFD MAD VLAN
•
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.
BFD MAD VLAN and feature
compatibility
Do not use the BFD MAD VLAN for any purpose other than configuring BFD
MAD.
•
Configure only the mad bfd enable and mad ip address commands on the
BFD MAD-enabled VLAN interface. If you configure other features, both BFD
MAD and other features on the interface might run incorrectly.
•
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.
MAD IP address
•
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.
To configure BFD MAD:
Step Command
Remarks
1.
Enter system view.
system-view
N/A
2.
(Optional.) Assign a domain
ID to the IRF fabric.
irf domain domain-id
By default, the domain ID of an
IRF fabric is 0.
3.
Create a VLAN dedicated to
BFD MAD.
vlan vlan-id
The default VLAN on the device
is VLAN 1.
4.
Return to system view.
quit
N/A