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Managing MAC Address Table Security Configurations
User Guide 163
Learned Mode
Change
Enable Learned Mode Change, and when the learned mode of the specified port
is changed, a notification will be generated and sent to the management host.
New MAC
Learned
Enable New MAC Learned, and when the specified port learns a new MAC
address, a notification will be generated and sent to the management host.
3) Configure SNMP and set a management host. For detailed SNMP configurations, please
refer to Configuring SNMP & RMON
.
3.1.2 Limiting the Number of MAC Addresses Learned in VLANs
â– For Certain Devices
Choose the menu L2 FEATURES > Switching > MAC Address > MAC VLAN Security to
load the following page.
Figure 3-2 Configuring the MAC VLAN Security Mode
Follow these steps to limit the number of MAC addresses in VLANs:
1) In the MAC VLAN Security Config section, select the security mode for all VLANs.
Drop Packets with new source MAC addresses in the VLAN will be dropped when the
maximum number of MAC addresses is exceeded.
Forward Packets of new source MAC addresses will be forwarded but the addresses will
not be learned when the maximum number of MAC addresses is exceeded.
2) In the MAC VLAN Security Table section, click Add to load the following page. Enter
the VLAN ID and the Max Learned Number to limit the number of MAC addresses that
can be learned in the specified VLAN.
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