H3C Technologies H3C S6800 Series Switches User Manual
Page 348
335
Step Command
Remarks
6.
Configure a backup LDP PW
and enter cross-connect
backup PW view.
backup-peer ip-address pw-id
pw-id [ pw-class class-name |
tunnel-policy tunnel-policy-name ] *
By default, no backup LDP PW is
configured.
7.
Return to user view.
return
N/A
8.
Manually switch traffic to the
backup PW of the specified
PW.
l2vpn switchover peer ip-address
pw-id pw-id
N/A
Enabling MAC address software learning on an
interface
The MAC address software learning feature applies to a Software Defined Network (SDN).
On an SDN network, the device uploads the learned MAC addresses to the controller, and the controller
issues the received MAC address to other remote devices, which reduces unnecessary broadcasts.
An interface can learn MAC addresses through one of the following methods:
•
Hardware learning—MAC addresses are learned through hardware (the default setting).
Hardware learning requires the software to periodically check whether the hardware has learned
new MAC addresses, and then uploads the learned MAC addresses to the controller.
•
Software learning—The software learns MAC addresses, issues the learned MAC addresses to the
hardware, and uploads the MAC addresses to the controller. Software learning has a faster
learning speed than hardware learning because software learning does not require a periodical
check.
To avoid impacting the system, H3C recommends not enabling this feature when a large number of MAC
addresses change frequently.
To enable MAC address software learning on an interface:
Step Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Enter Layer 2 Ethernet
interface or Layer 2
aggregate interface view.
•
Enter Layer 2 Ethernet interface
view:
interface interface-type
interface-number
•
Enter Layer 2 aggregate interface
view:
interface bridge-aggregation
interface-number
N/A
3.
Enable MAC address
software learning on the
interface.
l2vpn mac-address software-learning
enable
By default, MAC address
software learning is disabled on
an interface.