Table Of Contents
K Commands
kernel core
K Commands
The commands in this chapter apply to the Cisco MDS 9000 Family of multilayer directors and fabric switches. All commands are shown here in alphabetical order regardless of command mode. See the "Command Modes" section to determine the appropriate mode for each command. For more information, refer to the Cisco MDS 9000 Family Configuration Guide.
•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 ( level all | header | kernel | ram | used-ram )| target
ipaddress
no kernel core limit | module slot | target ipaddress
Syntax Description
limit
Limits the number of modules for which the core is generated.
number
Specifies the number of modules for core generation
module
Configures the module requiring the core generation.
slot
Specifies the slot number of the module.
level
Specifies the core dump level for the selected module.
all
Dumps all the memory (required 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
Configures the extrnal server on the sme physical LAN.
ipaddress
Specifies the IP address of the external server.
Defaults
Disabled.
Command Modes
Configuration mode.
Command History
This command was introduced in Cisco MDS SAN-OS Release 1.1(1).
Usage Guidelines
Examples
The following example limits core generation to two modules.
sw5(config)# kernel core limit 2
The following example configures module 5 to generate cores.
sw5(config)# kernel core module 5
The following example configures module 5 to generate only header-level cores.
sw5(config)# kernel core module 5 level header
The following example configures the external server.
sw5(config)# kernel core target 10.50.5.5
Related Commands
Command
Description
show kernel
Displays configured kernel core settings.
show running-config
Displays all switch configurations saved to PSS.