# 4 Using the Command-Line Interface ###### tags: `CCNA` ### Support CLI access ![](https://i.imgur.com/ItPwsnL.png) **Cabling the Console Connection** - 3 cable types to connect to SW ![](https://i.imgur.com/gIZsAIk.png) ■ 9600 bits/second ■ No hardware flow control ■ 8-bit ASCII ■ No parity bits ■ 1 stop bit :::info Note that the last three parameters are referred to collectively as 8N1: ::: ![](https://i.imgur.com/gjjvool.png) ### User and Privileged Modes **Enable mode** gets its name from the enable command, which moves the user from user mode to enable mode, as shown in Figure 4-6. The other name for this mode, privileged mode, refers to the fact that powerful (or privileged) **commands can be executed there.** ![](https://i.imgur.com/BraLT9u.png) ![](https://i.imgur.com/o6pjfo9.png) **當你建立了secret的密碼 love** 之後不管你是CLI 還是Telnet 或是 SSH進入enable模式都必須使用的密碼 ![](https://i.imgur.com/RXYVPCO.png) ### CLI Help Features ![](https://i.imgur.com/zWiYs65.png) ### The debug and show Commands ![](https://i.imgur.com/kOMcP8k.png) ### Configuring Cisco IOS Software ![](https://i.imgur.com/WFReQds.png) ### Configuration Submodes and Contexts ![](https://i.imgur.com/6PJUeum.png) ![](https://i.imgur.com/2xn5Xuh.png) ![](https://i.imgur.com/cdagWE5.png) ### Storing Switch Configuration Files ![](https://i.imgur.com/IEpv24k.png) ![](https://i.imgur.com/rCw6iq0.png)