Cisco 3000 Series

CHAPTER
Problem
Solving
Troubeshooting
the Hardware
Configuration
Your router
system
went
through
extensive
testing
and burn-in before
leaving
the
factory However
if
your
system
appears
to have
problems starting
up
follow the
steps
in this
chapter
to
help identify
the
problem
Sections of this
chapter
follow
Problem
Solving
Reading
LED Indicators
Use the information in this
chapter
to
help
isolate
problems
This section is
designed
to
help you
rule
out the router
system
as
the
problem
source
Whether
or
not
you
can
locate the
source
of
your
problem
contact customer service
representative
for information
on
how to
proceed
in
resolving
the
problem
Before
you
call
have the
following
information
ready
Chassis
type
and serial number
Maintenance
contract
number
Software version level and
hardware
configuration
System
software
configuration
Date
you
received
the
new chassis
Brief
description
of the
problem
you
are
having
Brief
explanation
of what
steps you
have taken to isolate the
problem
The
key
to
problem
solving
in this
system
is to
try
to isolate the
problem
to
specific subsystem By
comparing
what
the
system
is
doing
to what it should be
doing
the task of
isolating problem
is
greatly simplified
When
problem solving
consider the
following subsystems
of the router
Power
systemThis subsystem
includes the
power supply
and the
wiring
Cooling systemThe
blower
assembly
should
come on
when
power
is
applied
Network interfaces The LEDs related
to
the network interfaces
can
be used to
help identify
failure For
complete
information
on
LED
indications
refer to the section
Reading
LED
Indicators
System
cablesThis
subsystem
includes all of the external cables that connect the
system
to the
network
Troubleshooting
the
Hardware
Configuration
4-1