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Troubleshooting
Unusual Network Activity
■ Using the Switch Console Interface: From the Main Menu, check the
Management Address Information screen by clicking on
1. Status and Counters
2. Switch Management Address Information
LACP-Related Problems
Unable to enable LACP on a port with the interface [e] < port-number > lacp
command. In this case, the switch displays the following message:
Operation is not allowed for a trunked port.
You cannot enable LACP on a port while it is configured as static Trunk or FEC
trunked port. To enable LACP on static-trunked port, first use the
no trunk [e] < port-number > command to disable the static trunk assignment,
then execute interface [e] < port-number > lacp.
Caution Removing a port from a trunk without first disabling the port can create a
traffic loop that can slow down or halt your network. Before removing a port
from a trunk, HP recommends that you either disable the port or disconnect
it from the LAN.
Port-Based Access Control (802.1X)-Related Problems
Note To list the 802.1X port-access Event Log messages stored on the switch, use
show log 802.
See also “Radius-Related Problems” on page C-14.
The switch does not receive a response to RADIUS authentication
requests. In this case, the switch will attempt authentication using the
secondary method configured for the type of access you are using (console,
Telnet, or SSH).
There can be several reasons for not receiving a response to an authentication
request. Do the following:
■ Use ping to ensure that the switch has access to the configured RADIUS
servers.
■ Verify that the switch is using the correct encryption key (RADIUS secret
key) for each server.
■ Verify that the switch has the correct IP address for each RADIUS server.
C-11