HP Q.11.XX Manual page 271

The following command serves this purpose by removing 0c0090-123456 and
reducing the Address Limit to 1:
ProCurve(config)# port-security a1 address-limit 1
ProCurve(config)# no port-security a1 mac-address 0c0090-
123456
The above command sequence results in the following configuration for port
A1:
ProCurve(config)# show port-security 1
Port Security
Port : 1
Learn Mode : Static
Action: None
Authorized Addresses
--------------------
0c0090-456456
Figure 9-8. Example of Port A1 After Removing One MAC Address
Configuring and Monitoring Port Security
Port Security Command Options and Operation
Address Limit : 1
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