Troubleshooting The Multishelf System Router Topology; Examples - Cisco CRS-1 - Carrier Routing System Router Troubleshooting Manual

Chapter 6 Troubleshooting the Control Plane Ethernet Network
Successfully set config-register to 0x0 on node 0/0/CPU0
RP/0/RP0/CPU0:router(admin)# exit
RP/0/RP0/CPU0:router# reload
Proceed with reload? [confirm]
System Bootstrap, Version 12.0(20040624:164256) [assafb-misc1 1.14dev(0.91)] DEV
ELOPMENT SOFTWARE
Copyright (c) 1994-2004 by cisco Systems, Inc.
DRAM DIMM Slot 1: 512M found, Slot 2: Empty
MPC7450 platform with 524288 Kbytes of main memory
rommon 1 >
The show_bcm_links command, run in ROMMON mode, shows that all expected links are active on the
Cisco CRS-1 Multishelf System:
rommon B1 > show_bcm_links
Ports Active on Switch 0
FE Port 1
GE Port 1
GE Port 2
Ports Active on Switch 1
GE Port 2
The following example shows how to exit ROMMMON mode:
rommon B1> confreg
Configuration Summary
(Virtual Configuration Register: 0x0)
enabled are:
console baud: 9600
boot: the ROM Monitor
do you wish to change the configuration? y/n [n]: y
enable "diagnostic mode"? y/n [n]: n
change console baud rate? y/n [n]: n
change the boot characteristics? y/n [n]: y
enter to boot:
0 = ROM Monitor
1 = MBI Validation Boot Mode
[0]: 1
Configuration Summary
(Virtual Configuration Register: 0x102)
enabled are:
console baud: 9600
boot: image specified by the boot system commands
do you wish to change the configuration? y/n [n]: n
You must reset or power cycle for new config to take effect
rommon B2> reset

Troubleshooting the Multishelf System Router Topology

To verify and troubleshoot the Cisco CRS-1 Multishelf System router topology, perform the following
procedures.
OL-21483-02
Troubleshooting the Multishelf System Router Topology
Cisco IOS XR Troubleshooting Guide for the Cisco CRS-1 Router
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