Nortel Networks 1000BASE-ZX manual MAC Address Security Port Configuration screen, Learn by Ports

		Chapter 3 Using the console interface 111
Table 16 MAC Address Security Configuration screen fields (continued)
Field	Description
Clear by Ports	This field clears the specified port (or ports) that are listed in the Allowed
	Source Port(s) field of the MAC Address Security Table screen (see “MAC
	Address Security Table screens” on page 118). When you specify a port (or
	ports) to be cleared using this field, the specific port (or ports) will be cleared
	for each of the entries listed in the MAC Address Security Table. If you totally
	clear the allowed Source Port(s) field (leaving a blank field) for an entry, the
	associated MAC address for that entry is also cleared.
	Default	NONE
	Range	NONE, ALL, a port number list (for example, 1/1, 2/6, etc.)
Learn by Ports	All source MAC addresses of any packets received on the specified port (or
	ports) are added to the MAC Security Table when the Current Learning Mode
	field is set to Learning in Progress. You cannot include any of the port values
	you have chosen for the secure ports field.
	Default	NONE
	Range	NONE, ALL, a port number list (for example, 1/1-4, 2/6, etc.)
Current Learning Mode	Indicates the current learning mode for the switch ports. When this field is set
	to Learning in Progress, all source MAC addresses of any packets received
	on the specified port (or ports) are added to the MAC Security Table
	(maximum of 448 MAC address entries allowed). If you exceed the limit of
	448 entries, the system prompts you with an alert message.
	Default	Disabled
	Range	Disabled, Enabled

MAC Address Security Port Configuration screen

The MAC Address Security Port Configuration screens (Figure 48 and Figure 49) allow you to set or modify your MAC address port security configuration on a per port basis.

To open the MAC Address Security Port Configuration screen:

Choose MAC Address Security Port Configuration from the MAC Address Security Configuration Menu.

Using the BayStack 420 10/100/1000 Switch