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Appendix A
Using the ROM Monitor
boot
(Software image boots...)
Router>
The following example shows how to specify that the router should download and boot the file named
"newimage.bin" in the subdirectory named "ubrimages" on the TFTP server with the IP address of
10.10.10.31:
rommon 45> boot tftp://10.10.10.31/ubrimages/newimage.bin
Self decompressing the image :
#######################################################################################
[OK]
(Software image boots...)
Router>
The following example shows how to use the alternate syntax to specify that the router should download
and boot the file named newimage.bin on the TFTP server with the IP address of 10.10.10.31:
rommon 45> boot newimage.bin 10.10.10.31
Self decompressing the image :
#######################################################################################
[OK]
(Software image boots...)
Router>
The following example shows the new ROMMON boot procedure that is required when using a
Cisco IOS Release 12.2 (or later) boot image:
Router-NPE#
telnet> send brk
*** System received an abort due to Break Key ***
signal= 0x3, code= 0x0, context= 0x6208b290
PC = 0x606b5ab0, SP = 0x80007e00, RA = 0x606d2370
Cause Reg = 0xffffffff, Status Reg = 0x3400ff03
rommon 2 > boot flash:newiosimage.bin
Please reset before booting
rommon 3 > confreg 0x0
You must reset or power cycle for new config to take effect
rommon 4 > reset
System Bootstrap, Version 12.2(11)BC3a, RELEASE SOFTWARE (fc1)
Copyright (c) 2002 by cisco Systems, Inc.
UBR7200 platform with 524288 Kbytes of main memory
rommon 1 > boot flash:newiosimage.bin
Self decompressing the image :
#######################################################################################
[OK]
(Software image boots...)
Cisco Broadband Cable Command Reference Guide
A-10
OL-1581-07
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