C H A P T E R 5 Troubleshooting The Installation; Problem Solving Using A Subsystems Approach - Cisco 7206VXR - VPN Bundle Router Configuration Manual

Troubleshooting Overview
Table 5-1
Step 1
Step 2
Step 3
Step 4
Step 5
Step 6
Step 7
Step 8
Step 9

Problem Solving Using a Subsystems Approach

The key to solving problems with the system is isolating the problem to a specific subsystem. The first
step in solving startup problems is to compare what the system is doing to what it should be doing.
Because a startup problem is usually caused by a single component, it is more efficient to first isolate
the problem to a subsystem rather than troubleshoot each component in the system. For these
troubleshooting procedures, consider the following subsystems:
•
Cisco 7200 VXR Installation and Configuration Guide
5-2
General Troubleshooting Strategy
Action
Turn power on. Go to Step 2.
PWR OK LED on?
Fans operating?
Fans operating?
Check system state with I/O controller LEDs.
I/O controller LEDs OK?
NPE-G1, NPE-G2, or I/O controller LEDs OK? Go to Step 7.
Check system state with port adapter LEDs.
Port adapter enabled LEDs on?
If installed, check Port Adapter Jacket Card
power and enabled LEDs. LEDs on?
Port adapter enabled LEDs on?
Power subsystem—This subsystem comprises the power supplies, the external power cable, and the
midplane.
Chapter 5 Troubleshooting the Installation
Yes No
— —
Go to Step 3. Troubleshoot power
subsystem.
Go to Step 5. Troubleshoot cooling
subsystem.
Go to Step 5. Obtain technical
assistance.
Go to Step 7. Reseat the NPE-G1 or
NPE-G2 and restart or
reseat I/O controller
and restart. Then go to
Step 6.
Obtain technical
assistance
System startup Reseat the port
successful. adapters and restart. Go
to Step 9.
If a Port Adapter Jacket
Card is installed with
an NPE-G1 or
NPE-G2, remove the
port adapter from it and
reseat. Go to Step 8.
Go to Step 9. Remove the port
adapter, then the Port
Adapter Jacket Card,
and then reseat the Port
Adapter Jacket Card
and port adapter. Go to
Step 9.
System startup Obtain technical
successful. assistance.
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