NPort 6000 Series Configuring Serial Port Operation Modes
Authentication type (default=None): This field allows you to configure the method used, if any, to verify a
user’s ID and authorization.
Option Description
Local Verify the ID against the NPort 6000 User Table.
RADIUS Verify the ID against the external RADIUS server.
Radius authentication is tried first, switching to Local if unsuccessful.
Local - RADIUS Authentication is performed locally first, switching to Radius if unsuccessful.
TACACS+ Verify the ID against the external TACACS+ server.
TACACS+ - Local TACACS+ authentication is tried first, switching to Local if unsuccessful.
Local - TACACS+ Authentication is performed locally first, switching to Radius if unsuccessful.
None Authentication is not required.
Try next type on authentication denied (default=Disable): The field enables or disables the system to try
next type on first authentication denied.
Map keys <CR-LF> (default=CR-LF): This specifies how the ENTER key is mapped from the Ethernet port
through the serial port.
Option Description
<CR-LF>
carriage return + line feed (i.e., the cursor will jump to the next line, and return to
the first character of the line)
<CR> carriage return (i.e., the cursor will return to the first character of the line)
<LF> line feed (i.e., the cursor will jump to the next line, but not move horizontally)
Reverse SSH Mode
TCP alive check time (default=7 min): This field specifies how long the NPort 6000 will wait for a response
to keep-alive packets before closing the TCP connection. The NPort 6000 checks connection status by sending
periodic keep-alive packets. If the remote host does not respond to the packet within the time specified in this
field, the NPort 6000 will force the existing TCP connection to close. For socket and device control modes, the
NPort 6000 will listen for another TCP connection from another host after closing the connection. If TCP alive
check time is set to 0, the TCP connection will remain open even if there is no response to the keep-alive
packets.
Inactivity time (default=0 min): This field specifies the idle time setting for auto-disconnection. A setting of
0 min. will cause the port to remain connected even if idle.
TCP port (default=4001): This is the TCP port number assignment for the serial port on the NPort 6000. It
is the port number that the serial port uses to listen to connections, and that other devices must use to contact
the serial port. To avoid conflicts with well known TCP ports, the default is set to 4001.
Each of NPort 6000’s serial ports is mapped to a TCP port. To avoid conflicts with other TCP ports, set port
numbers to 4001 for port 1, 4002 for port 2, etc.
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