3Com Switch 7750 Series
Command Reference Guide – Port Security & Port Binding Chapter 1 Port Security Commands
1-10
Example
# Set an OUI value by specifying the MAC address 00ef-ec00-0000, with an OUI index
of 5.
<3Com> system-view
System View: return to User View with Ctrl+Z.
[3Com] port-security oui 00ef-ec00-0000 index 5
1.1.8 port-security port-mode Syntax
port-security port-mode mode
undo port-security port-mode
View
Ethernet port view
Parameter
mode: Security mode of the port. See Table 1-2 for the values of this argument.
Description
Use the port-security port-mode command to set the security mode of the port.
Use the undo port-security port-mode command to restore the port to the normal
operating mode.
Port security defines various security modes that allow devices to learn legal source
MAC addresses, in order for you to implement different network security management
as needed. With port security, packets whose source MAC addresses cannot be
learned by your switch in a security mode, or packets that fail to pass 802.1x
authentication are considered illegal.
Table 1-2 describes the available security modes: