Linux系統通過console口連接交換機

一、安裝minicom
Ubuntu安裝：sudo apt-get install minicom、
centos安裝：yum install minicom
二、配置minicom
Ubuntu輸入：sudo minicom -s
centos輸入：minicom -s        ##進入配置界面

            +-----[configuration]------+    
            | Filenames and paths      |    
            | File transfer protocols  |
            | Serial port setup        |    ###點進Serial port setup
            | Modem and dialing        |
            | Screen and keyboard      |
            | Save setup as dfl        |
            | Save setup as..          |
            | Exit                     |
            | Exit from Minicom        |
            +--------------------------+

查看串口名稱使用 ls -l /dev/ttyS* ,一般ttyS0對應com1，ttyS1對應com2；
查看串口驅動：cat /proc/tty/drivers/serial
查看串口設備：dmesg | grep ttyS*    （查出那個串口激活了）

+-----------------------------------------------------------------------+
    | A -    Serial Device      : /dev/ttyS1                                |
    | B - Lockfile Location     : /var/lock                                 |
    | C -   Callin Program      :                                           |
    | D -  Callout Program      :                                           |
    | E -    Bps/Par/Bits       : 9600 8N1                                  |
    | F - Hardware Flow Control : No                                        |
    | G - Software Flow Control : No                                        |
    |                                                                       |
    |    Change which setting?                                              |
    +-----------------------------------------------------------------------+
            | Screen and keyboard      |
            | Save setup as dfl        |
            | Save setup as..          |
            | Exit                     |
            | Exit from Minicom        |
            +--------------------------+
標紅色是需要修改的地方，A改為那個端口激活了，E改為：9600 8N1
改完Save setup as dfl，保存一下
再在命令行輸入minicom，連接到交換機。