Cisco Systems Cisco 12416, Cisco 12816

Contents

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

CHAPTER

6Router 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

CHAPTER

7Maintaining the Router 7-1

Prerequisites and Preparation 7-2

Powering Off the Router 7-2