Cisco Networking: Show Version Command on a Router

Issuing the show version command on a Cisco network router displays hardware unique information. Review the output of the show version command on a router and try to locate the following information. The output gives you insight into the router’s capabilities, and overall gives you practice reading the output of many Cisco commands:

  • IOS version

  • System uptime

  • Image filename

  • Type of processor

  • Amount of RAM

  • Number of ports on the switch

  • Amount of flash memory

  • Current configuration register

Here is what the show version command displays for one of my routers:

Router1#show version
Cisco IOS Software, C2600 Software (C2600-ADVIPSERVICESK9-M), Version 12.3(4)T4,  RELEASE SOFTWARE (fc2)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2004 by Cisco Systems, Inc.
Compiled Thu 11-Mar-04 19:57 by eaarmas
ROM: System Bootstrap, Version 12.2(8r) [cmong 8r], RELEASE SOFTWARE (fc1)
Router1 uptime is 20 minutes
System returned to ROM by power-on
System image file is "flash:c2600-advipservicesk9-mz.123-4.T4.bin"
This product contains cryptographic features and is subject to United
States and local country laws governing import, export, transfer and
use. Delivery of Cisco cryptographic products does not imply
third-party authority to import, export, distribute or use encryption.
Importers, exporters, distributors and users are responsible for
compliance with U.S. and local country laws. By using this product you
agree to comply with applicable laws and regulations. If you are unable
to comply with U.S. and local laws, return this product immediately.
A summary of U.S. laws governing Cisco cryptographic products may be found at:
http://www.cisco.com/wwl/export/crypto/tool/stqrg.html
If you require further assistance please contact us by sending email to
export@cisco.com.
Cisco 2621XM (MPC860P) processor (revision 0x300) with 125952K/5120K bytes of memory.
Processor board ID JAE081160XR (3618058385)
M860 processor: part number 5, mask 2
2 FastEthernet interfaces
1 Virtual Private Network (VPN) Module
32K bytes of NVRAM.
32768K bytes of processor board System flash (Read/Write)
Configuration register is 0x2102
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