HP Procurve 2650 Management And Configuration Manual page 199

Optimizing Traffic Flow with Port Controls, Port Trunking, and Port-Based Priority
Port Trunking
LACP Notes and Restrictions
802.1x (Port-Based Access Control) Configured on a Port. To main-
tain security, LACP is not allowed on ports configured for 802.1x authenticator
operation. If you configure port security on a port on which LACP (active or
passive) is configured, the switch removes the LACP configuration, displays
a notice that LACP is disabled on the port(s), and enables 802.1x on that port.
The switch will not allow you to configure LACP on a port on which port
access (802.1x) is enabled. For example:
port-number
To restore LACP to the port, you must first remove the port's 802.1x configu-
ration and then re-enable LACP active or passive on the port.
Port Security Configured on a Port. To maintain security, LACP is not
allowed on ports configured for port security. If you configure port security
on a port on which LACP (active or passive) is configured, the switch removes
the LACP configuration, displays a notice that LACP is disabled on the port(s),
and enables port security on that port. For example:
The switch will not allow you to configure LACP on a port on which port
security is enabled. For example:
To restore LACP to the port, you must remove port security and re-enable
LACP active or passive.
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