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Contents
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Cisco 12016, Cisco 12416, and Cisco 12816 Router Installation and Configuration Guide
OL-11495-01
Analyzing the Data
5-30
crc16 Output
5-30
Grant Parity and Request Errors
5-33
Properly Seating Switch Fabric Cards
5-35
Troubleshooting the Cooling Subsystem
5-36
Blower Module Operation
5-38
Power Supply Operation
5-38
Overtemperature Conditions
5-39
Isolating Cooling Subsystem Problems
5-39
C H A P T E R
6
Router Field Diagnostics
6-1
Diagnostics Overview
6-2
Downloading the Diagnostic Image
6-3
Field-Programmable Gate Array Overview
6-3
Upgrading an FPGA Image on a Line Card
6-5
Using the diag Command
6-8
Diagnostic Commands for Cisco 12016, Cisco 12416, and Cisco 12816
RouterLine Cards
6-8
Diagnostic Commands for Cisco 12000 Series Rout Processors
6-9
Diagnostic Commands for Cisco 12000 Series Switch Fabric Cards and Clock
Scheduler Cards
6-9
Diagnostic Command Reference Table
6-9
diag Command Output Examples
6-13
Testing Without the verbose Option
6-13
Testing Using the verbose Option
6-14
Displaying Previous Test Results
6-16
C H A P T E R
7
Maintaining the Router
7-1
Prerequisites and Preparation
7-2
Powering Off the Router
7-2