Installing
and
Configuring
Processor
Modules
The
configuration
register
setting
0x2101
tells
the system
to
boot
the default
image the
first
image
from onboard
Flash
memory
but does
not
reset
the
Break
disable
or
check
for
default
netboot
filename
The
configuration
register
setting
0x2102
tells
the system
to
boot
from
Flash
memory
if
netboot
fails
disable
Break
and
check
for
default
netboot
filename
For more
information
on
the
copy
tftpfilename
slotO
sloti
filename
command
and
other related
commands
refer
to
the
Router
Products
Command
Reference
publication
Recovering
Lost
Password
An
overview
of recovering
lost
password
follows
Enter
the
show
version
command
to
note
the existing software
configuration
register
value
Break
to
the bootstrap
program
prompt
Change
the configuration
register
to
0x0141
ignore
Break
ignore
NVRAM
boot
from
Flash
memory
Note
key
to
recovering
lost
password
is to
set
the configuration
register
so
that
the contents
of
NVRAM
are ignored
0x0040
allowing
you
to
see
your password
Enter
privileged
level
in
the system
bootstrap
program
Enter
the
show
startup-configuration
command
to
display
the enable
password
Change
the configuration
register
value
back
to
its
original
setting
To
recover
lost
password
follow
these
procedures
Step
Attach
an
ASCII
terminal
to
the router
console
port
which
is
located
on
the rear
panel
Step
Configure
the terminal
to
operate
at
9600
baud
data
bits
no
parity
stop
bits
or
to
the
same
settings
as
the router
is
set
Step
Enter
the
show
version
command
to
display
the existing configuration
register
value Note
this
value
for
later
use
in
Step
14
Step
If
Break
is
disabled
power
cycle the router
Turn
off the router
wait
five
seconds
and
then
turn
it
on
again
If
Break
is
enabled
on
the router
press the
Break key
or send
break
and
then
proceed
to
Step
Step
Within
60
seconds
of turning
on
the router
press the
Break key
This
action
causes
the
terminal
to
display
the bootstrap
ROM
monitor
program
prompt
rommon
Step
To
reset
the configuration
register
to
boot
from
the boot
ROMs
and
ignore
NVRAM
enter
o/r
at
the bootstrap
prompt
as
follows
rommon
o/r
Step
Initialize
the router
by
entering
the
command
as
follows
rommon
The
router
will
power
cycle
the configuration
register
will
be
set
to
0x141
and
the router
will
boot
the boot
system
image from onboard
Flash
memory
and prompt you
with
the
system
configuration
dialog
as
follows
System
Configuration
Dialog
Maintaining
the Router
5-21
Summary of Contents for 7513 Series
Page 1: ......
Page 11: ...Cisco 7513 Hardware Installation and Maintenance ...
Page 121: ...Site Log 2 56 Cisco 7513 Hardware Installation and Maintenance ...
Page 162: ...Troubleshooting the Processor Subsystem 4 10 Cisco 7513 Hardware Installation and Maintenance ...
Page 266: ...Interface Processor LEDs B 16 Cisco 7513 Hardware Installation and Maintenance ...
Page 270: ...C 4 Cisco 7513 Hardware Installation and Maintenance ...
Page 288: ...18 Cisco 7513 Hardware Installation and Maintenance ...