Bit 15; Displaying The Configuration Register While Running Cisco Ios; Displaying The Configuration Register While Running Rom Monitor - Cisco 7301 Installation And Configuration Manual
Configuration guide
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Also See for 7301:
- Regulatory compliance and safety information manual (70 pages) ,
- Manual (111 pages) ,
- Quick start manual (35 pages)
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Appendix C
Configuration Register Information
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 7301 router.
Cisco Internetwork Operating System Software
IOS (tm) 7301 Software (C7301-JS-M), Experimental Version 12.2(20020904:004736) [biff 107]
Copyright (c) 1986-2002 by cisco Systems, Inc.
Compiled Mon 09-Sep-02 18:02 by biff
Image text-base:0x600088F8, data-base:0x61A94000
ROM:System Bootstrap, Version 12.2(20020730:200705) [biff-TAZ2_QA_RELEASE_16B 101],
DEVELOPMENT SOFTWARE
BOOTLDR:7301 Software (C7301-BOOT-M), Experimental Version 12.2(20020813:014224)
[biff-TAZ2_QA_RELEASE_17B 101]
7301p2b uptime is 0 minutes
System returned to ROM by reload at 00:01:51 UTC Sat Jan 1 2000
System image file is "tftp://10.1.8.11/tazii/images/c7301-js-mz"
cisco 7301 (NPE-G1) processor (revision A) with 491520K/32768K bytes of memory.
Processor board ID 0
BCM1250 CPU at 700Mhz, Implementation 1, Rev 0.2, 512KB L2 Cache
1 slot 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.
3 Gigabit Ethernet/IEEE 802.3 interface(s)
509K bytes of non-volatile configuration memory.
62976K bytes of ATA PCMCIA card at slot 0 (Sector size 512 bytes).
32768K bytes of Flash internal SIMM (Sector size 256K).
Configuration register is 0x102
Displaying the Configuration Register While Running ROM
Monitor
If the bootstrap prompt ">", the o command displays the virtual configuration register currently in effect.
It includes a description of the bits. See the following sample output:
OL-5418-07
>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
10
IP broadcasts with ones
Displaying the Configuration Register While Running Cisco IOS
Cisco 7301 Installation and Configuration Guide
C-5
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