HP Aruba JL253A Management And Configuration Manual page 17

Contents
The switch does not receive a response to RADIUS authentication
The switch does not authenticate a client even though the RADIUS server is properly
configured and providing a response to the authentication
During RADIUS-authenticated client sessions, access to a VLAN on the port used for
the client sessions is
The switch appears to be properly configured as a supplicant, but cannot gain access
to the intended authenticator port on the switch to which it is
The supplicant statistics listing shows multiple ports with the same authenticator MAC
address.............................................................................................................................466
The show port-access authenticator <port-list> command shows one
or more ports remain open after they have been configured with control
unauthorized
RADIUS server fails to respond to a request for service, even though the server's IP
address is correctly configured in the
The authorized MAC address on a port that is configured for both 802.1X and port
security either changes or is re-acquired after execution of aaa port-access
authenticator <port-list> initialize
A trunked port configured for 802.1X is
QoS-related problems.................................................................................................................
Loss of communication when using VLAN-tagged
Radius-related problems.............................................................................................................
The switch does not receive a response to RADIUS authentication
RADIUS server fails to respond to a request for service, even though the server's IP
address is correctly configured in the
MSTP and fast-uplink problems..................................................................................................
Broadcast storms appearing in the
STP blocks a link in a VLAN even though there are no redundant links in that
Fast-uplink troubleshooting..............................................................................................
SSH-related problems.................................................................................................................469
Switch access refused to a
Executing IP SSH does not enable SSH on the
Switch does not detect a client's public key that does appear in the switch's public
key file (show ip client-public-key)
An attempt to copy a client public-key file into the switch has failed and the switch
lists one of the following
Client ceases to respond ("hangs") during connection
TACACS-related problems..........................................................................................................
Event Log.........................................................................................................................
All users are locked out of access to the
No communication between the switch and the TACACS+ server
Access is denied even though the username/password pair is
Unknown users allowed to login to the
System allows fewer login attempts than specified in the switch
TimeP, SNTP, or Gateway
The switch cannot find the time server or the configured
VLAN-related problems...............................................................................................................471
Monitor port......................................................................................................................
None of the devices assigned to one or more VLANs on an 802.1Q-compliant switch
are being recognized........................................................................................................472
Link configured for multiple VLANs does not support traffic for one or more
Duplicate MAC addresses across
Disabled overlapping subnet
Fan failure...................................................................................................................................
Mitigating flapping transceivers...................................................................................................474
Fault-finder link-flap
Show fault-finder
lost..................................................................................................465
...............................................................................................................466
switch....................................................................466
blocked..............................................................
switch....................................................................468
network.....................................................................
client.....................................................................................
messages..................................................................................469
switch..................................................................471
problems...........................................................................................
VLANs........................................................................
configuration......................................................................
.........................................................................................................475
link-flap.................................................................................................
request.................................465
connected........................
..........................................................467
traffic.................................................
switch....................................................469
....................................................................469
phase..........................................470
switch...............................................................470
correct............................471
configuration................471
gateway..................................
requests................. 465
466
467
467
467
467
requests................. 467
468
468
VLAN.....468
469
469
470
470
application................ 470
471
471
471
VLANs....... 472
472
473
474
477
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