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Running configuration

As explained in Acing the CCNA Exam: Volume 2 Advanced Networking and Security

The running configuration is the active Cisco IOS configuration that determines how the device currently functions.

The running configuration is the active Cisco IOS configuration that determines how the device currently functions. IOS stores it in the opaque system: file system, rather than in NVRAM. section 8.1.2

Use these commands to locate and inspect the running configuration:

  • show running-config displays the configuration through a command shortcut. section 8.1.2

How Acing the CCNA Exam: Volume 2 Advanced Networking and Security covers it

How deep it goes
Explains storage location and inspection commands, while stopping short of configuration-change or save procedures.
Examples
Uses show running-config, dir system:, and more system:running-config to inspect the active configuration.
What it assumes
Assumes basic Cisco IOS command-line familiarity while defining file-system types and configuration locations explicitly.
What you can do after
Diagnose and verify the active Cisco IOS configuration by locating and displaying its system: file.
How it connects
Connects running configuration with startup configuration, NVRAM, Cisco IOS file systems, and TFTP file access.
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Related concepts

This explainer was generated by Manning's knowledge graph from the text of Acing the CCNA Exam: Volume 2 Advanced Networking and Security. The section links point to the parts of the book it draws on.