{"id":1994,"date":"2019-06-21T20:43:20","date_gmt":"2019-06-21T20:43:20","guid":{"rendered":"http:\/\/wiki.thomasandsofia.com\/?p=1994"},"modified":"2020-05-14T19:38:42","modified_gmt":"2020-05-14T19:38:42","slug":"how-to-connect-to-a-cisco-device-using-usb-console","status":"publish","type":"post","link":"https:\/\/wiki.thomasandsofia.com\/?p=1994","title":{"rendered":"How to connect to a Cisco Device using USB Console"},"content":{"rendered":"

This article was written using instructions for Ubuntu, but was actually tested on a Raspberry Pi.\u00a0 Cool, eh?
\nhttps:\/\/www.youtube.com\/watch?v=PRwHNd-u_cA<\/a><\/p>\n

Install minicom<\/h3>\n
$ sudo apt-get install minicom<\/pre>\n
Find the device<\/h3>\n
$ dmesg | grep ttyUSB\r\n[    5.494345] usb 1-1.2: Moschip 2 port adapter converter now attached to ttyUSB0<\/pre>\n
Note the device: In this case it is ttyUSB0<\/p>\n
Configure Minicom<\/h3>\n
Run Minicom in setup mode<\/h4>\n
$ sudo minicom -s<\/pre>\n
+-----[configuration]------+\r\n| Filenames and paths      |\r\n| File transfer protocols  |\r\n| Serial port setup        |\r\n| Modem and dialing        |\r\n| Screen and keyboard      |\r\n| Save setup as dfl        |\r\n| Save setup as..          |\r\n| Exit                     |\r\n| Exit from Minicom        |\r\n+--------------------------+<\/pre>\n
Configure the Serial Device<\/h3>\n
Select ‘Serial port setup’ and press [ Enter ]<\/h4>\n
+-----------------------------------------------------------------------+\r\n| A -    Serial Device      : \/dev\/tty8                                 |\r\n| B - Lockfile Location     : \/var\/lock                                 |\r\n| C -   Callin Program      :                                           |\r\n| D -  Callout Program      :                                           |\r\n| E -    Bps\/Par\/Bits       : 115200 8N1                                |\r\n| F - Hardware Flow Control : Yes                                       |\r\n| G - Software Flow Control : No                                        |\r\n|                                                                       |\r\n|    Change which setting?                                              |\r\n+-----------------------------------------------------------------------+<\/pre>\n
At the ‘Change which setting?’ prompt, press [A]<\/h4>\n
There is no need to press [ Enter ], your cursor will be moved to the end of the Serial Device Path<\/p>\n
Change the setting to match the setting found from the dmesg command.<\/h4>\n
In this example, we’ll change \/dev\/tty8<\/code> to \/dev\/ttyUSB0<\/code>.<\/p>\n
After the setting has been changed, press [ Enter ] to return to the ‘Change which setting’ prompt.<\/h5>\n
+-----------------------------------------------------------------------+\r\n| A -    Serial Device      : \/dev\/ttyUSB0                              |\r\n| B - Lockfile Location     : \/var\/lock                                 |\r\n| C -   Callin Program      :                                           |\r\n| D -  Callout Program      :                                           |\r\n| E -    Bps\/Par\/Bits       : 115200 8N1                                |\r\n| F - Hardware Flow Control : Yes                                       |\r\n| G - Software Flow Control : No                                        |\r\n|                                                                       |\r\n|    Change which setting?                                              |\r\n+-----------------------------------------------------------------------+<\/pre>\n
Press [E] to edit the Bps\/Par\/Bits setting<\/h4>\n
+---------[Comm Parameters]----------+\r\n|                                    |\r\n|     Current: 115200 8N1            |\r\n| Speed            Parity      Data  |\r\n| A: <next>        L: None     S: 5  |\r\n| B: <prev>        M: Even     T: 6  |\r\n| C:   9600        N: Odd      U: 7  |\r\n| D:  38400        O: Mark     V: 8  |\r\n| E: 115200        P: Space          |\r\n|                                    |\r\n| Stopbits                           |\r\n| W: 1             Q: 8-N-1          |\r\n| X: 2             R: 7-E-1          |\r\n|                                    |\r\n|                                    |\r\n| Choice, or <Enter> to exit?        |\r\n+------------------------------------+<\/pre>\n
Press [C], then [Q]<\/h4>\n
The ‘Current: ‘ setting at the top of the menu will change to ‘9600 8N1’<\/p>\n
+---------[Comm Parameters]----------+\r\n|                                    |\r\n|     Current: 9600 8N1              |\r\n| Speed            Parity      Data  |\r\n...<\/pre>\n
Press [ Enter ] to return to the Serial port settings menu.<\/h4>\n
You will see the new setting on the ‘Bps\/Par\/Bits’ section.<\/p>\n
...\r\n| E -    Bps\/Par\/Bits       : 9600 8N1                                |\r\n...<\/pre>\n
Press [ Enter ] to return to the ‘configuration’ menu.<\/h4>\n
+-----[configuration]------+\r\n| Filenames and paths      |\r\n| File transfer protocols  |\r\n| Serial port setup        |\r\n| Modem and dialing        |\r\n| Screen and keyboard      |\r\n| Save setup as dfl        |\r\n| Save setup as..          |\r\n| Exit                     |\r\n| Exit from Minicom        |\r\n+--------------------------+<\/pre>\n
Select ‘Save setup as..’ then press [ Enter ]<\/h4>\n
...\r\n| Save setup as..          |\r\n...<\/pre>\n
At the ‘Give name to this configuration?’ prompt, enter a short name for these settings then press [ Enter ].<\/h4>\n
For this example, I’m using ‘cisco’<\/p>\n
+-----------------------------------------+\r\n|Give name to save this configuration?    |\r\n|> cisco                                  |\r\n+-----------------------------------------+\r\nAfter pressing [ Enter ] you'll see a brief pop-up letting you know the configuration was saved.<\/pre>\n
Select ‘Exit from Minicom’ and press [ Enter ]<\/h4>\n
 <\/p>\n
Run Minicom<\/h3>\n
 <\/p>\n
Back at the Linux command prompt, run minicom with the name of the configuration you saved.<\/h4>\n
 <\/p>\n
$ sudo minicom cisco<\/pre>\n
Welcome to minicom 2.7.1\r\n\r\nOPTIONS: I18n\r\nCompiled on Aug 13 2017, 15:25:34.\r\nPort \/dev\/ttyUSB0, 11:06:34\r\n\r\nPress CTRL-A Z for help on special keys<\/pre>\n
Press [ Enter ] to see the prompt for the device you are now consoled into.<\/h4>\n
Router><\/pre>\n","protected":false},"excerpt":{"rendered":"
This article was written using instructions for Ubuntu, but was actually tested on a Raspberry Pi.\u00a0 Cool, eh? https:\/\/www.youtube.com\/watch?v=PRwHNd-u_cA Install minicom $ sudo apt-get install minicom Find the device $ dmesg | grep ttyUSB [ 5.494345] usb 1-1.2: Moschip 2 port adapter converter now attached to ttyUSB0 Note the device: In this case it is ..<\/p>\n
<\/div>\n
Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[45,2,1],"tags":[],"class_list":["post-1994","post","type-post","status-publish","format-standard","hentry","category-icnd1-ccent","category-networking","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/wiki.thomasandsofia.com\/index.php?rest_route=\/wp\/v2\/posts\/1994","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wiki.thomasandsofia.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wiki.thomasandsofia.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wiki.thomasandsofia.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wiki.thomasandsofia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1994"}],"version-history":[{"count":9,"href":"https:\/\/wiki.thomasandsofia.com\/index.php?rest_route=\/wp\/v2\/posts\/1994\/revisions"}],"predecessor-version":[{"id":2888,"href":"https:\/\/wiki.thomasandsofia.com\/index.php?rest_route=\/wp\/v2\/posts\/1994\/revisions\/2888"}],"wp:attachment":[{"href":"https:\/\/wiki.thomasandsofia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1994"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wiki.thomasandsofia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1994"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wiki.thomasandsofia.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1994"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}