HP J3188A Installation And Reference Manual page 44

Managing the Hub
Console Command Reference
The Late Collision Monitoring option monitors ports for excessive late
collisions. If monitored ports experience excessive late collisions, these ports
are disabled.
See the section on Auto-Partitioning in the chapter that provides the Product
Description.
SEcure <port|SHow|CLear>
To control or display the hub's security configuration, and to clear
security violation indicators. The <port> parameter can be:
Security Configuration Parameter Definitions
The following security parameters are configurable on each of the hub's
network ports. These parameters are defined on the next two pages:
An additional parameter, "Disable port when intruder detected", is set
automatically by your selection of the address selection method. See "Auto
Port Disable" in Appendix F, "Security Information," on this parameter.
Address selection method, or authorized MAC address. This is the
method by which the hub automatically learns the address of the device that
is authorized to use the port, or you can enter a specific address. The following
methods are configurable:
3-14
a twisted-pair port number only.
XCVR or XC for the AUI port.
or for all ports
ALL AL
Address selection method, or authorized MAC address
Send alarm when intruder detected
Eavesdrop prevention
Learn Continuously—provides minimum port security (default secu-
rity state). The hub learns the address of the first device attached to the
port and makes it the authorized MAC address. If a different device is later
attached to the port, the new address is learned and becomes the autho-
rized address. Each new device attached becomes the authorized device.
You can be informed of any such changes by setting the Send Alarm
parameter to YES. In that case, when a new address is detected, the