HP 438031-B21 - 1:10Gb Ethernet BL-c Switch Application Manual page 191

Click Add Mirrored Port.
d.
Enter a port number for the mirrored port, and select the Port Mirror Direction.
e.
Click Submit.
f.
2. Apply, verify, and save the configuration.
3.
Verify the Port Mirroring information on the switch.
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