Kernel Core - Cisco AJ732A - MDS 9134 Fabric Switch Command Reference Manual

Chapter 13 K Commands
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

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
Syntax Description limit number
module slot
force
level
all
header
kernel
ram
used-ram
target ipaddress
Defaults Disabled.
Command Modes Configuration mode.
Command History Release
1.1(1)
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
OL-18089-01, Cisco MDS NX-OS Release 4.x
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}
Limits the number of modules for which the core is generated. The range is
1 to 6.
Configures the module requiring the core generation.
Forces a module to dump kernel core.
Specifies the core dump level for the selected module.
Dumps all the memory (requires 1G of space)
Dumps kernel header only.
Dumps all kernel memory pages.
Dumps all the RAM pages.
Dumps all the used RAM pages.
Configures the external server IP address on the same physical LAN.
Modification
This command was introduced.
Cisco MDS 9000 Family Command Reference
kernel core
13-3