Cisco 3000 Series

Virtual
Configuration Register
Settings
Table B-4
Configuration Register Settings
for Broadcast Address
Destination
Bit 14 Bit 10 Address
net host
off off
ones ones
off
on zeros zeros
on on
net
zeros
on
off net
ones
Bit 13 determines the
server
response
to bootload failure
Setting
bit 13
causes
the
server to
load
operating
software from ROM after five unsuccessful
attempts
to
load boot file
from
the network
Clearing
bit 13
causes
the
server
to continue
attempting
to load
boot
file from
the network
indefinitely By factoiy default
bit 13 is cleared
to
Bits 11 and 12 in the
configuration
register
deteimine the
baud rate of
the console terminal
Table B-5 shows the bit
settings
for the four available
baud rates
The factory-set
default baud
rate
is
9600
Table B-5
System
Console Terminal Baud Rate
Settings
Baud Bit 12 Bit 11
9600
4800
1200
2400
Enabhng Booüng
From Hash
To enable
booting
from
Flash
set
bits and
to value between and 15
in
conjunction
with
the
system
software
configuration
command
boot
system
flash filename
To
enter
the
configuration
mode
while in the
system
software
image
enter the
configure
command
at
the enable
prompt
as
in the
example following
Gateway configure
Configuring
from
terminal
memory
or network term
Enter
configuration
commands one
per
line
Edit with
DELETE
CTRL/W
and
CTRL/U
end with CTRL/Z
boot
system
flash filename
To disable break and enable the boot
system
flash
command
enter the
conflgregister
command
with value as in the
example following
config-reg
0x102
CTRL/Z
Gateway
Virtual
Configuration Register
B-5