H3C H3C S5100-SI, Operation Manual, Page: 163 / 830

1-7
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.
Currently, the S5100-SI/EI series do not support the ntkonly NTK feature.
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 —
Set the timer during which the
port remains disabled port-security timer disableport
timer
Optional
20 seconds by default
The port-security timer disableport command is used in conjunction with the port-security
intrusion-mode disableport-temporarily command to set the length of time during which the port
remains disabled.