Cisco 3000 Series, Hardware Installation And Maintenance

Page: 44 / 102

CHAPTER
Problem
Solving
Troubeshooting
the
Hardware
Configuration
Your
router systemwent
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