3. Run:
mac-limit maximum max-num
The maximum number of MAC address entries learned by the interface is set.
By default, the number of MAC address entries learned on an interface is not limited.
4. Run:
mac-limit action { discard | forward }
The action to be taken on packets with unknown source MAC addresses is configured
when the number of learned MAC address entries reaches the limit.
By default, the device discards packets with unknown source MAC addresses after
the number of learned MAC address entries reaches the limit.
5. Run:
mac-limit alarm { disable | enable }
The industrial switch router is configured to (or not to) send an alarm to the NMS
when the number of learned MAC address entries reaches the limit.
By default, the industrial switch router sends an alarm to the NMS when the number
of learned MAC address entries reaches the limit.
l Limit the number of MAC address entries learned in a VLAN.
1. Run:
system-view
The system view is displayed.
2. Run:
vlan vlan-id
The VLAN view is displayed.
3. Run:
mac-limit maximum max-num
The maximum number of MAC address entries learned in the VLAN is set.
By default, the number of MAC address entries learned in a VLAN is not limited.
4. Run:
mac-limit alarm { disable | enable }
The industrial switch router is configured to (or not to) send an alarm to the NMS
when the number of learned MAC address entries reaches the limit.
By default, the industrial switch router sends an alarm to the NMS when the number
of learned MAC address entries reaches the limit.
----End
1.6.1.6 Checking the Configuration
Procedure
l Run the display mac-address command to check all MAC address entries.
Huawei AR530&AR550 Series Industrial Switch Routers
Configuration Guide - Ethernet Switching
1 MAC Address Table Configuration
Issue 01 (2014-11-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
13
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