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T
ROUBLESHOOTING
B-2
Cannot connect using
Secure Shell
• If you cannot connect using SSH, you may have exceeded
the maximum number of concurrent Telnet/SSH sessions
permitted. Try connecting again at a later time.
• Be sure the control parameters for the SSH server are
properly configured on the switch, and that the SSH client
software is properly configured on the management station.
• Be sure you have generated a public key on the switch, and
exported this key to the SSH client.
• Be sure you have set up an account on the switch for each
SSH user, including user name, authentication level, and
password.
• Be sure you have imported the client’s public key to the
switch (if public key authentication is used).
Cannot access
the on-board
configuration
program via a serial
port connection
• Be sure you have set the terminal emulator program to
VT100 compatible, 8 data bits, 1 stop bit, no parity, and the
baud rate set to any of the following (9600, 19200, 38400,
57600, 115200 bps).
• Check that the null-modem serial cable conforms to the
pin-out connections provided in the Installation Guide.
Forgot or lost the
password
• Contact your local distributor.
Table B-1 Troubleshooting Chart
Symptom Action