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13-3
Cisco MDS 9000 Family Command Reference
OL-8413-07, Cisco MDS SAN-OS Release 3.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.
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