Cisco CRS-1 - Carrier Routing System Router Troubleshooting Manual page 25

Chapter 1 General Troubleshooting
Command or Action
Step 6
show environment
Example:
RP/0/RP0/CPU0:router(admin)# show environment
Step 7
show context
Example:
RP/0/RP0/CPU0:router(admin)# show context
Step 8
exit
Example:
RP/0/RP0/CPU0:router(admin)# exit
Step 9
show context
Example:
RP/0/RP0/CPU0:router# show context
Step 10
show memory summary detail location all
Example:
RP/0/RP0/CPU0:router# show memory summary
detail location all
Step 11
show memory heap summary { job-id | all}
Example:
RP/0/RP0/CPU0:router# show memory heap summary
all
Step 12
top processes
Example:
RP/0/RP0/CPU0:router# top processes
Step 13
show running-config
Example:
RP/0/RP0/CPU0:router# show running-config
OL-21483-02
Purpose
Displays display environmental monitor parameters for the
system.
Verify that the parameters are as expected.
Displays core dump context information on fabric cards,
alarm modules, fan controllers, and service processors
(system-owned cards). See the
section on page 1-11 for more information on the show
context command output.
Exits administration mode.
Displays core dump context information on CPUs
responsible for routing and Cisco Express Forwarding
(CEF). See the "show context Command" section on
page 1-11 for more information on the show context
command output.
Displays information about the memory available on the
router after the system image decompresses and loads.
Verify that the expected memory is available or installed.
Ensure that all memory regions have adequate free space
available.
Displays a summary of the information about the heap
space. The output displays each process and the amount of
memory allocated for each process.
Verify if there are any processes using a large amount of
memory.
To get a live update of process resource consumption, use
the top processes command and press 'M' to sort by
memory usage.
Verify that the resource consumption is as expected.
Displays the contents of the currently running
configuration.
Verify that the contents of the current running configuration
are what is expected.
Cisco IOS XR Troubleshooting Guide for the Cisco CRS-1 Router
Verifying the System
"show context Command"
1-15