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Appendix 8 Managing the Switch Hardware
Configuring EPLDs
Caution
Resetting the power disrupts any data traffic going through the affected modules. If you power cycle the
entire switch, all data traffic going through the switch at the time of the power cycling is disrupted. This
is not necessary for Release 4.0(3) or later releases.
Note
For Release 4.0(3) and later releases, the switch automatically loads the new power management EPLD
after an upgrade, so it is no longer necessary to reset the power for the module or switch.
To confirm the EPLD upgrades, see the
“Verifying the EPLD Upgrades” section on page 8-51
.
Automatic Upgrading of EPLD Images for I/O Modules
You can enable, disable, and verify automatic upgrading of EPLD images for I/O modules installed in
the Cisco Nexus 7004, 7009, 7010, and 7018 switches. Also, if the upgrade is canceled because it
exceeds a maximum number of programmed attempts, you can reset the process to enable the upgrades.
Note
You can set automatic upgrading of EPLD images for only I/O modules, not for other modules such as
the supervisor modules, fabric modules, or fan trays.
This section includes the following topics:
•
Enabling or Disabling Automatic Upgrades of EPLD Images, page 8-49
•
Verifying Automatic Upgrades of EPLD Images, page 8-50
•
Resetting Automatic Upgrades of EPLD Images, page 8-50
Enabling or Disabling Automatic Upgrades of EPLD Images
You can enable or disable automatic upgrades of EPLD images for I/O modules. When enabled, the
switch checks the EPLD image versions on newly installed or powered up I/O modules to see if they are
older than the images that were installed with the current version of Ciscon NX-OS software on the
switch. If the images on the I/O modules are older, the switch automatically upgrades the images to the
newer versions.
SUMMARY STEPS
1.
configure terminal
2.
system auto-upgrade epld
3.
show running-config | inc epld
Note
Alternatively, to prevent automatic upgrades of EPLD images for I/O modules, use the
no system auto-upgrade epld
command.
Summary of Contents for Nexus 7004
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