User guide

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ROUBLESHOOTING
The SNMP Network Manager or Telnet workstation can no longer access the device:
Check that Telnet access or SNMP access is enabled.
Check that the port through which you are trying to access the device has not been
disabled. If it is enabled, check the connections and network cabling at the port.
Check that the port through which you are trying to access the device is in a correctly
configured VLAN.
Try accessing the device through a different port. If you can now access the device, a
problem with the original port is indicated. Re-examine the connections and cabling.
A network problem may be preventing you accessing the device over the network. Try
accessing the device through the console port.
Check that the community strings configured for the device and the Network Manager
are the same.
Check that SNMP access was not disabled for the system.
Permanent entries remain in the FDB:
If you have made a permanent entry in the FDB (which requires you to specify the
VLAN to which it belongs and then delete the VLAN), the FDB entry will remain.
Though causing no harm, you must manually delete the entry from the FDB if you
want to remove it.
Default and Static Routes:
If you have defined static or default routes, those routes will remain in the
configuration independent of whether the VLAN and VLAN IP address that used them
remains. You should manually delete the routes if no VLAN IP address is capable of
using them.
You forget your password and cannot log in:
If you are not an administrator, another user having administrator access level can log
in, delete your user name, and create a new user name for you, with a new password.
Alternatively, another user having administrator access level can log in and initialize the
device. This will return all configuration information (including passwords) to the
initial values.