A-5
Cisco 7500 Series Installation and Configuration Guide
OL-5008-03 B0
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.
Router# show version
Cisco Internetwork Operating System Software
IOS (tm) RSP Software (RSP-JSV-M), Version 12.0(10r)S1, EARLY DEPLOYMENT
MAINTENANCE INTERIM SOFTWARE
TAC Support:http://www.cisco.com/cgi-bin/ibld/view.pl?i=support
Copyright (c) 1986-2002 by cisco Systems, Inc.
Compiled Fri 22-Mar-02 16:27 by ninahung
Image text-base:0x60010950, data-base:0x612A2000
ROM:System Bootstrap, Version 12.0(10r)S1, RELEASE SOFTWARE (fc1)
UUT uptime is 2 minutes
System returned to ROM by reload at 15:33:45 UTC Tue Mar 5 2002
System image file is "disk0:rsp-pv-mz.vip6-3.022802"
cisco RSP4+ (R5000) processor with 65536K/2072K bytes of memory.
R5000 CPU at 200Mhz, Implementation 35, Rev 2.1, 512KB L2 Cache
Last reset from power-on
G.703/E1 software, Version 1.0.
G.703/JT2 software, Version 1.0.
X.25 software, Version 3.0.0.
1 VIP6 RM7000B controller (2 FastEthernet).
1 GEIP controller (1 GigabitEthernet).
2 FastEthernet/IEEE 802.3 interface(s)
1 Gigabit Ethernet/IEEE 802.3 interface(s)
123K bytes of non-volatile configuration memory.
47040K bytes of ATA PCMCIA card at slot 0 (Sector size 512 bytes).
16384K bytes of Flash internal SIMM (Sector size 256K).
No slave installed in slot 7.
Configuration register is 0x0
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:
>o
Configuration re 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