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[ |
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{ |
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"command": "enable", |
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"description": "Switches the user from user EXEC mode to privileged EXEC mode, allowing access to more powerful administrative commands. Privileged EXEC mode is indicated by the `#` symbol in the prompt.", |
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"examples": [ |
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{ |
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"example_command": "enable", |
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"explanation": "Switches from user EXEC mode to privileged EXEC mode." |
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} |
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], |
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"syntax": [ |
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"enable" |
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] |
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}, |
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{ |
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"command": "configure terminal", |
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"description": "Enters global configuration mode, which allows you to make changes to the device's configuration.", |
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"examples": [ |
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{ |
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"example_command": "configure terminal", |
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"explanation": "Enters global configuration mode to modify the device configuration." |
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} |
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], |
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"syntax": [ |
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"configure terminal" |
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] |
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}, |
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{ |
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"command": "interface gigabitethernet/number", |
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"description": "Puts the device into interface configuration mode for the specified Gigabit Ethernet interface, allowing you to configure settings for that interface. For example, `interface gigabitethernet1/0/1`.", |
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"examples": [ |
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{ |
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"example_command": "interface gigabitethernet1/0/1", |
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"explanation": "Enters interface configuration mode for the GigabitEthernet1/0/1 interface." |
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} |
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], |
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"syntax": [ |
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"interface gigabitethernet1/0/1" |
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] |
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}, |
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{ |
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"command": "reload", |
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"description": "Reboots the Cisco switch or router, reloading its running software and configuration.", |
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"examples": [ |
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{ |
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"example_command": "reload", |
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"explanation": "Reboots the device." |
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} |
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], |
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"syntax": [ |
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"reload" |
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] |
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}, |
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{ |
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"command": "hostname name", |
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"description": "Sets the hostname for the current Cisco device. This hostname is used to identify the device on the network.", |
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"examples": [ |
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{ |
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"example_command": "hostname Switch01", |
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"explanation": "Sets the hostname of the device to 'Switch01'." |
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} |
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], |
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"syntax": [ |
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"hostname Switch01" |
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] |
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}, |
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{ |
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"command": "copy from-location to-location", |
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"description": "Copies files from one location to another on the Cisco device. For example, copying configuration files or IOS images between locations such as `flash:`, `tftp:`, or `nvram:`.", |
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"examples": [ |
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{ |
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"example_command": "copy running-config startup-config", |
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"explanation": "Saves the current running configuration to the startup configuration." |
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} |
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], |
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"syntax": [ |
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"copy running-config startup-config" |
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] |
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}, |
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{ |
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"command": "copy running-config startup-config", |
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"description": "Saves the active configuration to the startup configuration file so that it is retained when the device is rebooted.", |
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"examples": [ |
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{ |
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"example_command": "copy running-config startup-config", |
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"explanation": "Saves the current active configuration to the startup configuration file." |
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} |
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], |
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"syntax": [ |
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"copy running-config startup-config" |
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] |
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}, |
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{ |
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"command": "copy startup-config running-config", |
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"description": "Merges the startup configuration (stored in NVRAM) with the current running configuration (in RAM).", |
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"examples": [ |
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{ |
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"example_command": "copy startup-config running-config", |
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"explanation": "Merges the startup configuration with the current running configuration." |
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} |
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], |
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"syntax": [ |
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"copy startup-config running-config" |
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] |
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}, |
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{ |
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"command": "write erase", |
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"description": "Erases the startup configuration file from NVRAM, effectively resetting the device to its factory settings.", |
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"examples": [ |
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{ |
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"example_command": "write erase", |
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"explanation": "Erases the startup configuration, resetting the device." |
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} |
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], |
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"syntax": [ |
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"write erase" |
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] |
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}, |
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{ |
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"command": "ip address ip-address mask", |
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"description": "Assigns an IP address and subnet mask to an interface on the Cisco device.", |
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"examples": [ |
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{ |
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"example_command": "ip address 192.168.1.1 255.255.255.0", |
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"explanation": "Assigns the IP address 192.168.1.1 with a subnet mask of 255.255.255.0 to the interface." |
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} |
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], |
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"syntax": [ |
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"ip address 192.168.1.1 255.255.255.0" |
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] |
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}, |
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{ |
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"command": "shutdown / no shutdown", |
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"description": "The `shutdown` command disables an interface, while `no shutdown` enables it.", |
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"examples": [ |
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{ |
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"example_command": "shutdown", |
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"explanation": "Disables the interface." |
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}, |
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{ |
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"example_command": "no shutdown", |
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"explanation": "Enables the interface." |
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} |
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], |
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"syntax": [ |
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"shutdown", |
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"no shutdown" |
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] |
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}, |
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{ |
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"command": "ip default-gateway ip_address", |
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"description": "Configures the default gateway on the device, allowing it to send traffic to devices outside its local subnet.", |
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"examples": [ |
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{ |
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"example_command": "ip default-gateway 192.168.1.254", |
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"explanation": "Sets the default gateway to 192.168.1.254." |
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} |
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], |
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"syntax": [ |
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"ip default-gateway 192.168.1.254" |
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] |
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}, |
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{ |
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"command": "ping {hostname | system-address}", |
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"description": "Sends Internet Control Message Protocol (ICMP) echo requests to a specified host or IP address to test network connectivity.", |
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"examples": [ |
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{ |
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"example_command": "ping 8.8.8.8", |
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"explanation": "Pings the Google DNS server (8.8.8.8) to check for network connectivity." |
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} |
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], |
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"syntax": [ |
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"ping 8.8.8.8" |
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] |
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}, |
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{ |
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"command": "speed {10 | 100 | 1000 | auto}", |
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"description": "Sets the speed of a network interface. Speeds are in Mbps, or the `auto` option can be used to automatically detect the correct speed.", |
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"examples": [ |
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{ |
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"example_command": "speed 1000", |
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"explanation": "Sets the interface speed to 1000 Mbps (1 Gbps)." |
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} |
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], |
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"syntax": [ |
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"speed 1000" |
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] |
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}, |
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{ |
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"command": "duplex {auto | full | half}", |
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"description": "Configures the duplex setting of a network interface. Duplex can be set to `full` for bidirectional communication, `half` for unidirectional, or `auto` for automatic detection.", |
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"examples": [ |
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{ |
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"example_command": "duplex full", |
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"explanation": "Sets the interface to full duplex mode." |
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} |
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], |
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"syntax": [ |
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"duplex full" |
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] |
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}, |
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{ |
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"command": "cdp run / no cdp run", |
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"description": "Enables or disables Cisco Discovery Protocol (CDP) globally on the device.", |
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"examples": [ |
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{ |
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"example_command": "cdp run", |
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"explanation": "Enables Cisco Discovery Protocol globally on the device." |
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}, |
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{ |
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"example_command": "no cdp run", |
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"explanation": "Disables Cisco Discovery Protocol globally on the device." |
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} |
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], |
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"syntax": [ |
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"cdp run", |
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"no cdp run" |
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] |
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}, |
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{ |
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"command": "show mac address-table", |
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"description": "Displays the MAC address table of the device, showing which MAC addresses are associated with which interfaces.", |
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"examples": [ |
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{ |
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"example_command": "show mac address-table", |
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"explanation": "Displays the MAC address table for all interfaces." |
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} |
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], |
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"syntax": [ |
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"show mac address-table" |
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] |
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}, |
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{ |
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"command": "show ip route", |
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"description": "Displays the current IP routing table, listing known routes that are either statically configured or learned through dynamic routing protocols.", |
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"examples": [ |
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{ |
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"example_command": "show ip route", |
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"explanation": "Displays the current IP routing table." |
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} |
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], |
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"syntax": [ |
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"show ip route" |
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] |
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}, |
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{ |
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"command": "ip route network-number network-mask {ip-address | interface}", |
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"description": "Creates a static route in the IP routing table. You can specify the destination network and subnet mask, along with either a next-hop IP address or the interface through which the traffic should be routed.", |
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"examples": [ |
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{ |
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"example_command": "ip route 10.1.1.0 255.255.255.0 192.168.1.1", |
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"explanation": "Configures a static route to the 10.1.1.0/24 network with a next-hop IP address of 192.168.1.1." |
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} |
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], |
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"syntax": [ |
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"ip route 10.1.1.0 255.255.255.0 192.168.1.1" |
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] |
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}, |
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{ |
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"command": "switchport access vlan {vlan-id}", |
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"description": "Assigns a specific VLAN to the interface in access mode, allowing it to communicate within the VLAN.", |
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"examples": [ |
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{ |
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"example_command": "switchport access vlan 10", |
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"explanation": "Assigns VLAN 10 to the interface in access mode." |
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} |
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], |
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"syntax": [ |
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"switchport access vlan 10" |
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] |
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}, |
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{ |
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"command": "switchport trunk encapsulation dot1q", |
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"description": "Sets 802.1Q encapsulation for a trunk port, allowing multiple VLANs to be carried over the trunk.", |
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"examples": [ |
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{ |
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"example_command": "switchport trunk encapsulation dot1q", |
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"explanation": "Sets 802.1Q encapsulation on the trunk port." |
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} |
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], |
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"syntax": [ |
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"switchport trunk encapsulation dot1q" |
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] |
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}, |
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{ |
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"command": "enable password pass-value", |
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"description": "Sets the password required to enter privileged EXEC mode (the `enable` command).", |
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"examples": [ |
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{ |
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"example_command": "enable password cisco123", |
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"explanation": "Sets 'cisco123' as the password required to enter privileged EXEC mode." |
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} |
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], |
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"syntax": [ |
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"enable password cisco123" |
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] |
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}, |
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{ |
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"command": "enable secret pass-value", |
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"description": "Sets a hashed, encrypted password for privileged EXEC mode access.", |
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"examples": [ |
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{ |
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"example_command": "enable secret mysecretpass", |
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"explanation": "Sets a hashed, encrypted password 'mysecretpass' for privileged EXEC mode." |
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} |
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], |
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"syntax": [ |
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"enable secret mysecretpass" |
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] |
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}, |
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{ |
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"command": "service password-encryption", |
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"description": "Enables encryption for passwords stored in the configuration file.", |
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"examples": [ |
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{ |
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"example_command": "service password-encryption", |
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"explanation": "Encrypts all passwords in the device configuration file." |
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} |
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], |
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"syntax": [ |
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"service password-encryption" |
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] |
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}, |
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{ |
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"command": "access-list access-list-number {deny | permit} source [source-wildcard]", |
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"description": "Defines an IP access list (ACL) with rules to either permit or deny traffic based on source addresses.", |
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"examples": [ |
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{ |
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"example_command": "access-list 10 permit 192.168.1.0 0.0.0.255", |
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"explanation": "Permits traffic from the 192.168.1.0/24 network." |
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} |
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], |
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"syntax": [ |
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"access-list 10 permit 192.168.1.0 0.0.0.255" |
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] |
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}, |
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{ |
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"command": "ntp peer <ip-address>", |
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"description": "Configures the device to synchronize its clock with a specified NTP (Network Time Protocol) peer.", |
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"examples": [ |
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{ |
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"example_command": "ntp peer 192.168.1.100", |
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"explanation": "Configures the device to synchronize with NTP peer at 192.168.1.100." |
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} |
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], |
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"syntax": [ |
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"ntp peer 192.168.1.100" |
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] |
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}, |
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{ |
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"command": "lldp run", |
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"description": "Enables LLDP (Link Layer Discovery Protocol) globally on the device. LLDP is a vendor-neutral protocol that allows devices to advertise their identity and capabilities to neighboring devices.", |
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"examples": [ |
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{ |
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"example_command": "lldp run", |
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"explanation": "Enables LLDP globally on the device." |
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} |
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], |
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"syntax": [ |
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"lldp run" |
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] |
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}, |
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{ |
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"command": "show lldp neighbors", |
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"description": "Displays information about neighboring devices discovered using LLDP. The information can be displayed for all interfaces or for a specific interface.", |
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"syntax": [ |
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"show lldp neighbors [ interface-id ]" |
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], |
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"examples": [ |
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{ |
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"example_command": "show lldp neighbors", |
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"explanation": "Displays a summary of neighboring devices discovered via LLDP on all interfaces." |
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}, |
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{ |
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"example_command": "show lldp neighbors gigabitethernet1/0/1", |
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"explanation": "Displays LLDP information for the neighboring device connected to interface GigabitEthernet1/0/1." |
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} |
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] |
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}, |
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{ |
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"command": "show lldp traffic", |
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"description": "Displays LLDP traffic statistics, including the number of transmitted and received LLDP packets, as well as any packet errors.", |
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"examples": [ |
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{ |
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"example_command": "show lldp traffic", |
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"explanation": "Displays LLDP traffic statistics for the device." |
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} |
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], |
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"syntax": [ |
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"show lldp traffic" |
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] |
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}, |
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{ |
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"command": "no lldp run", |
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"description": "Disables LLDP globally on the device, preventing it from advertising or listening for neighboring devices.", |
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"examples": [ |
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{ |
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"example_command": "no lldp run", |
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"explanation": "Disables LLDP globally on the device." |
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} |
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], |
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"syntax": [ |
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"no lldp run" |
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] |
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}, |
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{ |
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"command": "show cdp neighbors", |
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"description": "Displays information about neighboring devices discovered using CDP (Cisco Discovery Protocol). It shows the device ID, local interface, holdtime, capability, platform, and port ID of the connected neighbors.", |
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"examples": [ |
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{ |
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"example_command": "show cdp neighbors", |
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"explanation": "Displays a summary of neighboring devices discovered via CDP." |
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} |
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], |
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"syntax": [ |
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"show cdp neighbors" |
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] |
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}, |
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{ |
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"command": "show interfaces status", |
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"description": "Displays a summary of interface status, including speed, duplex, VLAN assignment, and operational state. It's useful for troubleshooting interface issues and verifying interface configurations.", |
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"examples": [ |
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{ |
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"example_command": "show interfaces status", |
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"explanation": "Displays the status of all interfaces on the device." |
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} |
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], |
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"syntax": [ |
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"show interfaces status" |
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] |
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}, |
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{ |
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"command": "show interfaces switchport", |
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"description": "Displays detailed information about the switchport settings of an interface, including VLAN and trunking information.", |
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"examples": [ |
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{ |
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"example_command": "show interfaces switchport gigabitethernet1/0/1", |
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"explanation": "Displays detailed switchport information for the interface GigabitEthernet1/0/1." |
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} |
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], |
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"syntax": [ |
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"show interfaces switchport gigabitethernet1/0/1" |
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] |
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} |
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] |