Table Of Contents

K Commands

kernel core

K Commands

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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 external 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

None.

Examples

The following example limits core generation to two modules.

sw5(config)# kernel core limit 2

succeeded

The following example configures module 5 to generate cores.

sw5(config)# kernel core module 5

succeeded

The following example configures module 5 to generate only header-level cores.

sw5(config)# kernel core module 5 level header

succeeded

The following example configures the external server.

sw5(config)# kernel core target 10.50.5.5

succeeded

Related Commands

Command	Description
show kernel	Displays configured kernel core settings.
show running-config	Displays all switch configurations saved to PSS.