6-30
Configuring Secure Shell (SSH)
Messages Related to SSH Operation
Caution To enable client public-key authentication to block SSH clients whose public
keys are not in the client-public-key file copied into the switch, you must
configure the Login Secondary as none. Otherwise, the switch allows such
clients to attempt access using the switch’s Operator password.
Messages Related to SSH Operation
Syntax: aaa authentication ssh login public-key none
Allows SSH client access only if the switch detects a match
between the client’s public key and an entry in the client-
public-key file most recently copied into the switch.
Message Meaning
00000K Peer unreachable. File transfer did not occur. Indicates an error in
communicating with the tftp server or not finding the file to
download. Causes include such factors as:
• Incorrect IP configuration on the switch
• Incorrect IP address in the command
• Case (upper/lower) error in the filename used in the
command
• Incorrect configuration on the TFTP server
• The file is not in the expected location.
• Network misconfiguration
• No cable connection to the network
00000K Transport error. File transfer did not occur. Indicates the switch experienced
a problem when trying to copy tftp the requested file. The
file may not be in the expected directory, the filename may
be misspelled in the command, or the file permissions may
be wrong.
Cannot bind reserved TCP port
<port-number>.
The ip ssh port command has attempted to configure a
reserved TCP port. Use the default or select another port
number. See “Note on Port Number” on page 6-19.
