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How to Display Software Version on the Cisco router

The show version command provides a lot of information in addition to the version of software that is running on the router. The following information can be collected with the show version command:...

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How to Display Interface States in Cisco Router

To view information about a particular interface, use the show interface command. The show interface command provides the following list of important information: Interface State (e.g. UP, DOWN,...

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User EXEC Mode – Cisco Command-Line Interface

After you access the device, you are automatically in user EXEC command mode. The EXEC commands available at the user level are a subset of those available at the privileged level. In general, use the...

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Privileged EXEC Mode – Cisco Command-Line Interface

Because many of the privileged commands configure operating parameters, privileged access should be password-protected to prevent unauthorized use. The privileged command set includes those commands...

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Global Configuration Mode – Cisco Command-Line Interface

Global configuration commands apply to features that affect the device as a whole. Use the configure privileged EXEC command to enter global configuration mode. The default is to enter commands from...

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Interface Configuration Mode – Cisco Command-Line Interface

Interface configuration commands modify the operation of the interface. Interface configuration commands always follow a global configuration command, which defines the interface type. Use the...

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config-vlan Mode – Cisco Command-Line Interface

Use this mode to configure normal-range VLANs (VLAN IDs 1 to 1005) or, when VTP mode is transparent, to configure extended-range VLANs (VLAN IDs 1006 to 4094). When VTP mode is transparent, the VLAN...

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VLAN Configuration Mode -Cisco Command-Line Interface

You can use the VLAN configuration commands to create or modify VLAN parameters for VLAN IDs 1 to 1005. Enter the vlan database privileged EXEC command to access VLAN configuration mode: Switch# vlan...

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Line Configuration Mode – Cisco Command-Line Interface

Line configuration commands modify the operation of a terminal line. Line configuration commands always follow a line command, which defines a line number. Use these commands to change terminal...

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peer default ip address – Cisco Command-Line Interface

To specify an IP address, an address from a specific IP address pool, or an address from the Dynamic Host Configuration Protocol (DHCP) mechanism to be returned to a remote peer connecting to this...

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