Nortel Networks 10BASE-T manual describes the Port Mirroring Configuration screen fields

Using the BayStack 410-24T 10BASE-T Switch

Port Mirroring Configuration
Monitoring Mode:	[ -> Port X or		Port Y -> ]
Monitor Unit/Port:	[ 3/12 ]
Unit/Port X:	[ 4/5	]
Unit/Port Y:	[ 4/6	]

Address A: [ 00-00-00-00-00-00 ]

Address B: [ 00-00-00-00-00-00 ]

Port mirroring configuration has taken effect.

Currently Active Port Mirroring Configuration
---------------------------------------------
Monitoring Mode:	-> Port X	or	Port Y ->	Monitor Unit: 3 Port: 12
Unit X: 4 Port	X: 5 Unit Y:		4 Port Y:	6

Use space bar to display choices, press <Return> or <Enter> to select choice. Press Ctrl-R to return to previous menu. Press Ctrl-C to return to Main Menu.

Figure 3-28. Port Mirroring Configuration Screen

Table 3-24 describes the Port Mirroring Configuration screen fields.

Table 3-24. Port Mirroring Configuration Screen Fields

FieldDescription

Monitoring Mode Allows you to select any one of six port-based monitoring modes or any one of five address-based monitoring modes (see Table 3-25). Selecting any one of the six port-based modes activates the port X and port Y screen fields, where you can choose up to two ports to monitor. Selecting any one of the five address-based modes activates the Address A and Address B screen fields, where you can specify MAC addresses to monitor.

DefaultDisabled

Range See Table 3-25

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