Troubleshooting Wics And Cables - Cisco 1721 - VPN Security Router Bundle Hardware Installation Manual
Hardware installation guide
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Also See for 1721 - VPN Security Router Bundle:
- Hardware troubleshooting (12 pages) ,
- Hardware installation manual (11 pages) ,
- User manual (48 pages)
Table of Contents
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Problem Solving
Troubleshooting WICs and Cables
Cisco 1721 Router Hardware Installation Guide
3-8
Table 3-1
OK LED Blinking Patterns
Number of Blinks
2
3
4
5
6
9
Use the show diag command to help determine problems with a card.
lists problems that could occur with WAN interface cards (WICs) and the possible
causes of these problems.
Meaning
The 860P dual-port random-access memory (DPRAM) has
failed.
The parameter RAM area of the 860P DPRAM has failed.
The 860P system protection control register has a write
failure.
The router cannot detect the dynamic random-access
memory (DRAM).
The user programmable machine has a write failure.
The router DRAM has failed.
Chapter 3
Troubleshooting
Table 3-2
78-13834-02
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Table of Contents
Troubleshooting
