1-7
z
Before setting the port security mode to
autolearn
, you need to set the maximum number of MAC
addresses allowed on the port with the
port-security max-mac-count
command.
z
When the port operates in the
autolearn
mode, you cannot change the maximum number of MAC
addresses allowed on the port.
z
After you set the port security mode to
autolearn
, you cannot configure any static or blackhole
MAC addresses on the port.
z
If the port is in a security mode other than
noRestriction
, before you can change the port security
mode, you need to restore the port security mode to
noRestriction
with the
undo port-security
port-mode
command.
If the
port-security port-mode mode
command has been executed on a port, none of the following can
be configured on the same port:
z
Maximum number of MAC addresses that the port can learn
z
Reflector port for port mirroring
z
Fabric port
z
Link aggregation
Configuring Port Security Features
Configuring the NTK feature
Follow these steps to configure the NTK feature:
To do...
Use the command...
Remarks
Enter system view
system-view
—
Enter Ethernet port view
interface
interface-type
interface-number
—
Configure the NTK feature
port-security ntk-mode
{
ntkonly
|
ntk-withbroadcasts
|
ntk-withmulticasts
}
Required
By default, NTK is disabled on
a port, namely all frames are
allowed to be sent.
Configuring intrusion protection
Follow these steps to configure the intrusion protection feature:
To do...
Use the command...
Remarks
Enter system view
system-view
—
Enter Ethernet port view
interface
interface-type
interface-number
—
Set the corresponding action to
be taken by the switch when
intrusion protection is triggered
port-security intrusion-mode
{
blockmac
|
disableport
|
disableport-temporarily
}
Required
By default, intrusion
protection is disabled.
Return to system view
quit
—
