1-11
To do... Use the command... Remarks
interface interface-type interface-number
In Ethernet
port view
mac-address security mac-address vlan
vlan-id
security MAC
address is
configured.
Configuring an aging time for learned security MAC address entries
By default, learned security MAC address entries will never be aged; they are deleted only when the
port security feature is disabled or the security mode is not autolearn any more.
You can configure an aging time for security MAC address entries. When the timer of an entry expires,
the entry is removed from the security MAC address table.
Follow these steps to configure an aging time for learned security MAC address entries:
To do... Use the command... Remarks
Enter system view
system-view
—
Enable port security
port-security enable
—
Configure the aging time for
learned security MAC address
entries
port-security timer autolearn
age
Required
Aging of MAC address entries
is disabled by default.
Enter Ethernet port view
interface
interface-type
interface-number
—
Set the maximum number of
MAC addresses allowed on the
port
port-security max-mac-count
count-value
Required
By default, there is no limit on
the number of MAC
addresses.
Set the security mode of the port
to autolearn
port-security port-mode
autolearn
Required
By default, a port operates in
noRestriction mode, and
access to the port is not
restricted.
After you execute the port-security timer autolearn command, you can display security MAC address
entries by the display mac-address security command. Though the aging time field displayed has a
value of "NOAGED", the aging of security MAC address entries is enabled already.
Displaying and Maintaining Port Security Configuration
To do... Use the command... Remarks
Display information about port
security configuration
display port-security [ interface interface-list ]
Available in
any view
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