Cisco 3000 Series, Hardware Installation And Maintenance

Page: 86 / 102

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