CCNA Complete Guide 2nd Edition.pdf - Cisco Learning Home

Appendix 1
Cisco IOS Upgrade and Password Recovery Procedures
Cisco Router IOS Upgrade Procedure
Router>
Router>en
Router#conf t
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#config-register 0x2101
Router(config)#^Z
Router#
Router#sh ver
Cisco Internetwork Operating System Software
IOS (tm) 2500 Software (C2500-IS-L), Version 12.3(12), RELEASE SOFTWARE
(fc3)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2004 by cisco Systems, Inc.
Compiled Tue 30-Nov-04 02:33 by kellythw
Image text-base: 0x03094EA4, data-base: 0x00001000
ROM: System Bootstrap, Version 5.2(8a), RELEASE SOFTWARE
BOOTLDR: 3000 Bootstrap Software (IGS-RXBOOT), Version 10.2(8a), RELEASE
SOFTWARE (fc1)
Router uptime is 1 minutes
System returned to ROM by power-on
System image file is "flash:c2500-is-l.123-12.bin"
cisco 2500 (68030) processor (revision N) with 14336K/2048K bytes of memory.
Processor board ID 05534538, with hardware revision 00000000
Bridging software.
X.25 software, Version 3.0.0.
Basic Rate ISDN software, Version 1.1.
1 Ethernet/IEEE 802.3 interface(s)
2 Serial network interface(s)
1 ISDN Basic Rate interface(s)
32K bytes of non-volatile configuration memory.
16384K bytes of processor board System flash (Read ONLY)
Configuration register is 0x2102 (will be 0x2101 at next reload)
Router#reload
System configuration has been modified. Save? [yes/no]: no
Proceed with reload? [confirm]
*Mar 1 00:01:33.871: %SYS-5-RELOAD: Reload requested by console. Reload
Reason: Reload command.
System Bootstrap, Version 5.2(8a), RELEASE SOFTWARE
Copyright (c) 1986-1995 by cisco Systems
2500 processor with 14336 Kbytes of main memory
Restricted Rights Legend
Use, duplication, or disclosure by the Government is
subject to restrictions as set forth in subparagraph
(c) of the Commercial Computer Software - Restricted
Rights clause at FAR sec. 52.227-19 and subparagraph
(c) (1) (ii) of the Rights in Technical Data and Computer
Software clause at DFARS sec. 252.227-7013.
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Copyright © 2008 Yap Chin Hoong
yapchinhoong@hotmail.com