---
# System prepended metadata

title: 4 Using the Command-Line Interface
tags: [CCNA]

---

# 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)