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Cisco 7200 VXR Installation and Configuration Guide
OL-5013-09
Appendix A Configuration Register Information
Displaying the Configuration Register While Running Cisco IOS
Bit 15
Bit 15 enables diagnostic messages and ignores NVRAM contents.
Displaying the Configuration Register While Running Cisco IOS
The configuration register can be viewed by using the show version or show hardware command.
The following is sample output of the show version command from a Cisco 7206VXR router.
Router# show version
Cisco Internetwork Operating System Software
IOS (tm) 7200 Software (C7200-JS-M), Released Version 12.2(20011220:181136) [biff dec21
101]
Copyright (c) 1986-2002 by cisco Systems, Inc.
Compiled Fri 21-Dec-01 05:58 by
Image text-base:0x600089B8, data-base:0x6196E000
(sample text omitted)
term1_500 uptime is 1 day, 19 hours, 25 minutes
System returned to ROM by reload at 00:04:18 UTC Tue Nov 30 1999
System image file is "disk2:c7200-js-mz.dev-test.dec21"
cisco 7206VXR (NPE-G1) processor (revision 0x00) with 245760K/16384K bytes of memory.
Processor board ID 13250983
BCM12500 CPU at 700Mhz, Implementation 1, Rev 0.1, 512KB L2 Cache
6 slot VXR midplane, Version 2.0
Last reset from power-on
Bridging software.
X.25 software, Version 3.0.0.
SuperLAT software (copyright 1990 by Meridian Technology Corp).
TN3270 Emulation software.
5 FastEthernet/IEEE 802.3 interface(s)
3 Gigabit Ethernet/IEEE 802.3 interface(s)
509K bytes of non-volatile configuration memory.
62528K bytes of ATA PCMCIA card at slot 2 (Sector size 512 bytes).
16384K bytes of Flash internal SIMM (Sector size 256K).
Configuration register is 0x0
Displaying the Configuration Register While Running ROM
Monitor
If the bootstrap prompt is “>”, the o command displays the virtual configuration register currently in
effect. It includes a description of the bits. See the following sample output:
>o
Configuration register + 02x100 at last boot
Bit# Configuration register option settings:
15 Diagnostic mode disabled
14 IP broadcasts do not have network numbers
13 Boot default ROM software if network boot fails
12-11 Console speed is 9600 baud