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How to configure cisco router using linux for (COM port) configuration

Posted by Vivek on Sunday May 2, 04 @1:22 pm

If you would like to configure Cisco router using Linux or FreeBSD (connected to a local COM port). Use the following instruction to configure device:

1) Connect cisco router to com port using serial cable

2) Use program like minicom (type minicom at a shell prompt)
$ minicom

3) Select the port, speed and /dev/ttyS0 as com1 port and save configuration as dfl. Next select Exit

4) Continue with your router configuration…

5) For more information on minicom read man page here

6) Other links:

* Cisco Router Configuration Tutorial
* Accessing a Cisco Router using FreeBSD (command also works with linux)

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Discussion on This Article:

  1. Anonymous Says:

    Hi Sir,

    How r u. This is Mithun.
    I’m very happy,you back again.
    At this time me and Vishwas undergonig with CCNA.
    This article most helpful for me.
    My email-id - gaikwadmithun@yahoo.com
    Thank You.

  2. speshak Says:

    I realize this is an old post but I’ve made it my mission in life that whenever someone mentions minicom I’ll spread the good news of screen. Every admin should know GNU screen already (if not, go look it up) and it turns out that you can run ’screen /dev/ttyS0′ and it takes care of setting up all of the speeds/etc. Plus you can disconnect and leave it running if you’re interested in catching log messages, etc.

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