CISCO ASYNC CONFIGURATION


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Cisco routers allow reverse telnet, i.e. its possible to telnet to a router port and attach to a device attached to an async port. A rotary group allow a group of async ports to be configured as one IP address. The TCP port numbers are as follow: -

        2000+ Port Number             Async Connection

        4000+ Port Number             Binary Connection

        6000+ Port Number             Binary Connection (CR converted to CR+LF)

        9000+ Port Number             Xremote

 

line 33
    speed 9600
    databits 8
    parity none
    stopbits 1
    modem inout
    autocommand telnet 172.16.0.10 /noecho

Reverse Telnet
line 1 16
   no exec
   transport input telnet
   stopbits 1

 

 

Last Updated 28 January 2001


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