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Troubleshooting
This chapter explains how to isolate faults in the Cisco 6260 system. Most problems in a Cisco 6260 can
be traced to one of the system field-replaceable units (FRUs), which include the following:
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This chapter consists of three major sections:
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5.1 Hot-Swappable FRUs
All Cisco 6260 FRUs are hot swappable, except the PEM in configurations where only a single PEM
is operating. However, hot swapping some FRUs causes an interruption in service. See
Table 5-1
FRU
NI-2 card
Line card
I/O module
PEM
OL-2365-01
NI-2 cards
Line cards
Input/Output (I/O) modules
Power entry modules (PEMs)
Fan trays
Air filters
System-Wide Problems, page 5-3
FRU-Specific Problems, page 5-8
Alarms, page 5-17
Service Interruptions Caused by Replacing FRUs
Does Hot Swapping
Interrupt Service?
Yes
Yes
Yes
See next column
C H A P T E R
Notes
In systems with NI-2 card redundancy, the secondary card
can be hot swapped without incurring service interruption
for the system.
Service is interrupted only for subscribers served by that
line card.
You must reboot the system after you replace the I/O
module because the MAC address is stored on the
I/O module.
You can replace a PEM without interrupting service if the
other PEM in the chassis is operating normally.
Cisco 6260 Hardware Installation Guide
5
Table
5-1.
5-1
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