Avaya P460 - Manual (Page 102)

Chapter 2 Avaya P460 CLI Commands
92 Avaya P460 Reference Guide
set port mirror
User level: read-write, admin.
Use the set port mirror command to define a port mirroring pair in the switch.
The syntax for this command is:
set port mirror source-port / mirror-port /
direction {rx|both}
Example:
module Number of the module (3-6). If you do not specify a number, the
ports on all the modules are shown.
port Number of the port on the module. If you do not specify a number,
all the ports on the module are shown.
always Keyword to activate the port mirroring entry
disable Keyword to change the status of the port mirroring entry to “not
active”
rx Keyword to copy only incoming traffic
both Keyword to copy both incoming and outgoing traffic
P460-1# set port mirror source-port 3/9 mirror-port 4/10
direction both
Mirroring both Rx and Tx packets from port 3/9 to port 4/10
is enabled