Cisco 3000 Series, Установка и обслуживание оборудования

Страница: 85 / 102

Virtual
Configuration Register Settings
The
server creates
default boot filename
as part
of
the
automatic
configuration
processes
To form
the boot filename
the server
starts
with cisco and
links
the
octal equivalent
of the boot field number
dash and the processor-type
name
Table B-3
lists
the default boot filenames or actions for the
processor
Note boot system
configuration
command
in
the router configuration
in
NVRAM
overrides
the
default netboot filename
Table
B-3
Default
Boot Filenames
Action/File
Name
Bit Bit Bit Bit
bootstrap
mode
ROM
software
cisco2-igs
cisco3-igs
cisco4-igs
cisco5-igs
cisco6-igs
cisco7-igs
ciscol0-igs
ciscoll-igs
ciscol2-igs
ciscol3-igs
ciscol4-igs
ciscol5-igs
ciscol6-igs
ciscol7-igs
Bit controls the console
Break key
Setting bit
the
factory default causes the processor to ignore
the console
Break key
Clearing bit
causes the processor
to interpret
Break
as
command
to
force
the system
into
the bootstrap monitor
halting
normal
operation
Break
can
be
sent
in
the
first
60
seconds while the system reboots regardless of
the
configuration
settings
Bit 10 controls the host portion of
the
Internet broadcast address
Setting
bit
10 causes
the
processor
to use
all
zeros
clearing bit
10 the
factory
default causes the processor to use
all
ones Bit 10
interacts
with
bit
14 which
controls the
network and
subnet
portions of the broadcast
address
Table
B-4 shows
the
combined
effect
of
bits
10
and
14
B-4 Cisco 3000 Hardware
Installation
and Maintenance