Controller '10.*.*.*' is unreachable.

[a.alzahrani]

WLC4400 (stand alone) is unreachable because the power is switched off and back randomly.WLC4400 is connected to core switch 3750 and the configuration behind core switch did not change.

[a.alzahrani]

help me

[snarf65]

was the config saved to flash?

[Leo Laohoo]

Have you tried to console into the appliance?

[a.alzahrani]

today WLC back to work randomly. i do not know what happend.

[tekjansen101]

hala zahrani

is the controller unreachable remotely ? if so have you tried logging in to it from the core or 3750 it is connected to (assuming management vlan is configured) ?

regards...