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:
| Software Version | - IOS software version (stored in flash) |
| Bootstrap Version | - Bootstrap version (stored in Boot ROM) |
| System up-time | - Time since last reboot |
| System restart info | - Method of restart (e.g. power cycle, crash) |
| Software image name | - IOS filename stored in flash |
| Router Type and Processor type | - Model number and processor type |
| Memory type and allocation (Shared/Main) | - Main Processor RAM - Shared Packet I/O buffering |
| Software Features | - Supported protocols / feature sets |
| Hardware Interfaces | - Interfaces available on router |
| Configuration Register | - Bootup specifications, console speed setting, etc. |
The following is a sample output of a show version command.
Router# show version
Cisco Internetwork Operating System Software
IOS (tm) 3600 Software (C3640-J-M), Version 11.2(6)P, SHARED PLATFORM,
RELEASE SOFTWARE (fc1)
Copyright (c) 1986-1997 by cisco Systems, Inc.
Compiled Mon 12-May-97 15:07 by tej
Image text-base: 0x600088A0, data-base: 0x6075C000
ROM: System Bootstrap, Version 11.1(7)AX [kuong (7)AX], EARLY DEPLOYMENT
RELEASE SOFTWARE (fc2)
Router uptime is 1 week, 1 day, 38 minutes
System restarted by power-on
System image file is "flash:c3640-j-mz_112-6_P.bin", booted
via flash
Host configuration file is "3600_4-confg", booted via tftp
from 171.69.83.194
cisco 3640 (R4700) processor (revision 0x00) with 107520K/23552K bytes
of memory.
Processor board ID 03084730
R4700 processor, Implementation 33, Revision 1.0
Bridging software.
SuperLAT software copyright 1990 by Meridian Technology Corp).
X.25 software, Version 2.0, NET2, BFE and GOSIP compliant.
TN3270 Emulation software.
Primary Rate ISDN software, Version 1.0.
2 Ethernet/IEEE 802.3 interface(s)
97 Serial network interface(s)
4 Channelized T1/PRI port(s)
DRAM configuration is 64 bits wide with parity disabled.
125K bytes of non-volatile configuration memory.
16384K bytes of processor board System flash (Read/Write)
Configuration register is 0x2102
Thank you very much!
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