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Default
The maximum number of MAC addresses that can be learned on an interface is not configured.
Views
Layer 2 Ethernet interface view
Predefined user roles
network-admin
Parameters
count: Sets the maximum number of MAC addresses that can be learned on an interface. The value
range is 0 to 4096. When the argument is set to 0, the interface is not allowed to learn MAC
addresses.
Usage guidelines
When the number of MAC address entries learned by an interface reaches the limit, the interface
stops learning MAC address entries.
Examples
# Configure interface GigabitEthernet 1/0/1 to learn up to 600 MAC address entries.
<Sysname> system-view
[Sysname] interface gigabitethernet 1/0/1
[Sysname-GigabitEthernet1/0/1] mac-address max-mac-count 600
Related commands
•
mac-address
•
mac-address max-mac-count enable-forwarding
mac-address max-mac-count enable-forwarding
Use mac-address max-mac-count enable-forwarding to enable the device to forward unknown
frames received on an interface after the MAC learning limit on the interface is reached.
Use undo mac-address max-mac-count enable-forwarding to disable the device from forwarding
unknown frames received on an interface after the MAC learning limit on the interface is reached.
Syntax
mac-address max-mac-count enable-forwarding
undo mac-address max-mac-count enable-forwarding
Default
When the MAC learning limit on an interface is reached, the device can forward unknown frames
received on the interface.
Views
Layer 2 Ethernet interface view, Layer 2 aggregate interface view
Predefined user roles
network-admin
Usage guidelines
In this document, unknown frames refer to frames whose source MAC addresses are not in the MAC
address table.
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