3Com Switch 7750 Series
Command Reference Guide – Port Security & Port Binding
Chapter 1 Port Security Commands
1-11
Table 1-2
Description of port security modes
Security
mode
Description
Feature
secure
In this mode, the port is disabled from learning
MAC addresses.
Only those packets whose source MAC addresses
are static MAC addresses configured can pass
through the port.
In the secure
mode, the device
will trigger NTK
and intrusion
protection upon
detecting an
illegal packet.
userlogin
In this mode, port-based 802.1x authentication is
performed for access users.
In this mode,
neither NTK nor
intrusion
protection will be
triggered.