The SNMP manager or Telnet workstation can no longer access the device:
Check that Remote Telnet access or Commu-
Check that the port through which you are access- ing the device has not been disabled, see "Port Configuration" in Chapter 4. If it is enabled, check the connections and network cabling at the port.
Try accessing the device through a different port. If you can now access the device, a problem with the original port is indicated.
A network problem can prevent you from accessing the device over the network. Try accessing the device through the serial port. Refer to "Setting Up the VT100 Console" in Chapter 3.
You forget your password and cannot log in:
If you are not one of the default users (monitor, manager or security), another user having security access level can log in, delete your user name, and create a new user name for you, with a new pass- word.
Another user having ‘security' access level can log in and initialize the device. This action returns all con- figuration information, including passwords, to the factory default values.
If no one user knows a password for a security level user, contact your supplier.
If Power LED is Yellow. . .
Unit failed
If port fails to join ring . . .
Check ring speed and cable. Check personality of port.
If server fails to attach to ports 1 through 4. . .
Check personality and cable connection.
If Source Route traffic is not forwarded...
Check Bridge Type, Ring Number initialized and matches other bridges on ring. Make sure ring/bridge/ring numbers are unique.
Broadcast storms. . .
Check to see if Spanning Tree is enabled. If yes, make sure the type and address match the rest of the network.
If Transparent traffic not forwarded. . .
Check Bridge Type and verify if it is Source Route Transparent or Transparent.
