2.2 Starting a Router  
  2.2.10 The show version command  
The show version command displays information about the Cisco IOS software version that is currently running on the router. This includes the configuration register and the boot field settings.

Figure shows the following information from the show version command:

  • IOS version and descriptive information
  • Bootstrap ROM version
  • Boot ROM version
  • Router up time
  • Last restart method
  • System image file and location
  • Router platform
  • Configuration register setting

Use the show version command to identify router IOS image and boot source.

 

Web Links

show version Command

http://www.cisco.com/en/US/products/sw/ iosswrel/ps1835/products_command_reference_ chapter09186a00800ca743.html#1018369