S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m
13-3
Cisco MDS 9000 Family Command Reference
OL-18089-01, Cisco MDS NX-OS Release 4.x
Chapter 13 K Commands
kernel core
kernel core
Use the
kernel core
command to generate a core dump for each module. Use the
no
form of this
command to negate the command or revert to its factory
kernel core
{
limit
number
| module
slot
{
force
|
level
{
all
|
header
|
kernel
|
ram
|
used-ram}
|
target
ipaddress
}
no kernel core
{
limit
number
| module
slot
{
force
|
level
{
all
|
header
|
kernel
|
ram
|
used-ram}
|
target
ipaddress
}
Syntax Description
Defaults
Disabled.
Command Modes
Configuration mode.
Command History
Usage Guidelines
Core dumps performed on the supervisor module can lead to packet loss, even in a dual supervisor
configuration.
Examples
The following example limits core generation to two modules:
switch(config)#
kernel core limit 2
succeeded
The following example configures module 5 to generate cores:
switch(config)#
kernel core module 5
succeeded
limit
number
Limits the number of modules for which the core is generated. The range is
1 to 6.
module
slot
Configures the module requiring the core generation.
force
Forces a module to dump kernel core.
level
Specifies the core dump level for the selected module.
all
Dumps all the memory (requires 1G of space)
header
Dumps kernel header only.
kernel
Dumps all kernel memory pages.
ram
Dumps all the RAM pages.
used-ram
Dumps all the used RAM pages.
target
ipaddress
Configures the external server IP address on the same physical LAN.
Release
Modification
1.1(1)
This command was introduced.