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Cisco 10000 Series Troubleshooting Guide

Cisco 10000 Series
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3-4
Cisco 10000 Series Router Troubleshooting Guide
OL-0439-02
Chapter 3 Troubleshooting PREs
Troubleshooting PREs
If the Link LED is lit (steady green), but the Ethernet port is not working properly, make sure that the
port in question is configured properly and is not administratively shut down. If you have a working
console connection, perform the following steps:
Step 1 At the switch prompt, enter show interface fastethernet0/0/0. If the port is administratively down, enter
these commands to enable it:
c10000# configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
c10000(config)#interface fastethernet0/0/0
c10000(config-if)# no shut
c10000(config-if)# exit
c10000(config)# exit
c10000#
Step 2 Check that the Ethernet port in question is assigned a valid IP address.
For more information about configuring Ethernet ports, refer to the Cisco 10000 Series Router Line Card
Hardware Installation Guide.
If the cable, connections, power, and configuration all check out, and you still cannot connect to the
Ethernet port on the module, replace the module in question. If the problem persists, contact the Cisco
TAC for further assistance. Refer to the “Obtaining Technical Assistance” section on page -xi for
instructions on contacting the Cisco TAC.
Console Port Serial Connection Problems
If the console screen connected to a Cisco 10000 series router console port appears frozen or fails to
work properly
Refer to the “Cisco 10000 Series Router System Startup Sequence” section on page 1-5. If the
display stops responding during this process, there is no console output.
Check the console cable and make sure it is properly connected to the correct console port on the
Cisco 10000 series router system at one end and to your terminal equipment or terminal server at
the other end.
Verify that you are using the right type of cable and adapter. For information about pin-out
connections and installation instructions, refer to the Cisco 10000 Series Router Hardware
Installation Guide.
Make sure the cable is not defective or broken. Replace the cable with another high quality cable if
possible, and check to see if the console port starts working.
Check that the terminal equipment is configured with the correct settings for the console port. The
default console port settings are:
9600 baud
8 data bits
1 stop bit
No parity
No flow control

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Cisco 10000 Series Specifications

General IconGeneral
BrandCisco
Model10000 Series
CategoryNetwork Router
LanguageEnglish

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