Cisco AS5350XM Configuration Manual page 6

Using the CLI
Table 1 CLI Command Modes (continued)
Command Access Method
Mode
ROM monitor From privileged EXEC
mode, issue the reload
command. Press the
Break key during the
first 60 seconds while
the system is booting.
Diagnostic The router boots or
(available only enters diagnostic mode
on the Cisco in the following
ASR1000 scenarios. When a
series router) Cisco IOS process or
processes fail, in most
scenarios the router will
reload.
A user-configured
•
access policy was
configured using
the transport-map
command, which
directed the user
into diagnostic
mode.
• The router was
accessed using an
RP auxiliary port.
A break signal
•
(Ctrl-C,
Ctrl-Shift-6, or the
send break
command) was
entered, and the
router was
configured to enter
diagnostic mode
when the break
signal was received.
iv
Using the Command-Line Interface in Cisco IOS and Cisco IOS XE Software
Prompt Exit Method
Issue the continue
rommon # >
command.
The # symbol
represents the line
number and increments
at each prompt.
If a Cisco IOS process
Router(diag)#
failure is the reason for
entering diagnostic
mode, the failure must
be resolved and the
router must be rebooted
to exit diagnostic mode.
If the router is in
diagnostic mode
because of a
transport-map
configuration, access
the router through
another port or using a
method that is
configured to connect to
the Cisco IOS CLI.
If the RP auxiliary port
was used to access the
router, use another port
for access. Accessing
the router through the
auxiliary port is not
useful for customer
purposes.
Mode Usage
Run as the default
•
operating mode when a
valid image cannot be
loaded.
Access the fall-back
•
procedure for loading an
image when the device
lacks a valid image and
cannot be booted.
• Perform password
recovery when a
CTRL-Break sequence is
issued within 60 seconds
of a power-on or reload
event.
Inspect various states on
•
the router, including the
Cisco IOS state.
• Replace or roll back the
configuration.
• Provide methods of
restarting the Cisco IOS
software or other
processes.
Reboot hardware, such
•
as the entire router, an
RP, an ESP, a SIP, a SPA,
or possibly other
hardware components.
• Transfer files into or off
of the router using
remote access methods
such as FTP, TFTP, and
SCP.