Epld Images; Upgrading Epld Images - Cisco MDS 9000 Series Configuration Manual

EPLD Images

EPLD Images
Switches and directors in the Cisco MDS 9000 Family contain several electrical programmable logical devices
(EPLDs) that provide hardware functionalities in all modules. EPLD image upgrades are periodically provided
to include enhanced hardware functionality or to resolve known issues.
Refer to the Cisco MDS NX-OS Release Notes to verify if the EPLD has changed for the Cisco NX-OS
Tip
image version being used.

Upgrading EPLD Images

You can upgrade the EPLD images on the modules.
The same procedure used to upgrade the EPLD images on a module can be used to downgrade the EPLD
Note
images.
SUMMARY STEPS
1. Log into the switch through the console port, an SSH session, or a Telnet session.
2. Enter the show version command to verify the Cisco MDS NX-OS software release running on the MDS
switch.
3. If necessary, upgrade the Cisco MDS NX-OS software running on your switch (see the
NX-OS Release 4.1(x) and SAN-OS 3(x) Software Upgrade and Downgrade
4. Issue the dir bootflash: or dir slot0: command to verify that the EPLD software image file corresponding
to your Cisco MDS NX-OS release is present on the active supervisor module. For example, if your switch
is running Cisco MDS SAN-OS Release 2.1(2), you must have m9000-epld-2.1.2.img in bootflash: or
slot0: on the active supervisor module.
5. If you need to obtain the appropriate EPLD software image file, follow these steps:
6. Use the install module number epld url command on the active supervisor module to upgrade EPLD
images for a module.
DETAILED STEPS
Step 1 Log into the switch through the console port, an SSH session, or a Telnet session.
Step 2 Enter the show version command to verify the Cisco MDS NX-OS software release running on the MDS switch.
switch# show version
Cisco Nexus Operating System (NX-OS) Software
TAC support: http://www.cisco.com/tac
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Cisco MDS 9000 Family NX-OS Fundamentals Configuration Guide
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Managing Modules
Cisco MDS 9000
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