Cisco CRS-1 - Carrier Routing System Router Troubleshooting Guide

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Cisco IOS XR Troubleshooting Guide for the Cisco CRS-1 Router
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Chapter 6 Troubleshooting the Control Plane Ethernet Network
Troubleshooting Booting the System Control Plane Ethernet Network
Troubleshooting Booting the System Control Plane Ethernet
Network
To verify and troubleshoot booting the Cisco CRS-1 system control plane Ethernet network, perform the
following procedures.
SUMMARY STEPS
1. show platform
2. admin debug shelfmgr boot
3. show controllers backplane ethernet clients all location node-id
4. show controllers backplane ethernet clients 13 statistics location node-id
5. show controllers switch {0 | 1} statistics location node-id
6. Place the designated shelf controller (DSC) in ROM Monitor (ROMMON) mode:
a. admin
b. config register 0x0
c. exit
d. reload
7. show_bcm_links (Cisco CRS-1 Multishelf System only)
8. Exit ROMMON mode:
a. confreg 0x102
b. reset
9. Contact Cisco Technical Support if the problem is not resolved.
DETAILED STEPS
Command or Action Purpose
Step 1
show platform
Example:
RP/0/RP0/CPU0:router# show platform
Displays information about the status of cards and modules
installed in the router.
Verify that the expected nodes display IOS XR RUN under
the State column of the command output.
Step 2
admin debug shelfmgr boot
Example:
RP/0/RP0/CPU0:router# admin debug shelfmgr boot
If no output is displayed, the shelfmgr is not receiving boot
requests.

Cisco CRS-1 - Carrier Routing System Router Specifications

General

Brand	Cisco
Model	CRS-1 - Carrier Routing System Router
Category	Network Router
Language	English