Maintaining Supervisor Modules - Cisco AP776A - Nexus Converged Network Switch 5020 Configuration Manual

Maintaining Supervisor Modules

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
Downgrading from Cisco MDS NX-OS Release 4.1(1a) or later to Cisco MDS SAN-OS Release is
Note
3.3(1c) and earlier is disruptive and requires a reload of the switch. The 8-Gbps hardware modules will
be brought to a power down state.
If you downgrade from Cisco MDS SAN-OS Release 3.1(3) to any earlier SAN-OS release after you
Note
execute the system default switchport mode F command, the ports retain the configuration that
resultedfrom the execution of the command. In other words, the ports do not revert back to the mode they
were in prior to executing the command.
For example, to revert to Cisco MDS SAN-OS Release 1.3(4b) or 1.3(5) from Release 3.0(1), follow
these steps:
Issue the show incompatibility system image-filename command to determine if you need to disable
Step 1
any features not supported by the older release. The command output provides the commands needed to
disable the incompatible features.
switch# show incompatibility system bootflash:m9200-ek9-mz.1.3.4b.bin
The following configurations on active are incompatible with the system image
1) Service : cfs , Capability : CAP_FEATURE_CFS_ENABLED_DEVICE_ALIAS
Description : CFS - Distribution is enabled for DEVICE-ALIAS
Capability requirement : STRICT
Disable command : no device-alias distribute
Step 2 Disable the incompatible features.
switch# config t
switch(config)# no device-alias distribute
switch(config)# exit
switch#
Save the running configuration to the startup configuration.
Step 3
switch# copy running-config start-config
Issue the install all command to downgrade the software (see the
Step 4
page
Maintaining Supervisor Modules
This section includes general information about replacing and using supervisor modules effectively.
This section includes the following topics:
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Cisco MDS 9000 Family CLI Configuration Guide
8-32
8-7).
Replacing Supervisor Modules, page 8-33
Migrating from Supervisor-1 Modules to Supervisor-2 Modules, page 8-33
Standby Supervisor Module Boot Variable Version, page 8-33
Standby Supervisor Module Bootflash Memory, page 8-34
Standby Supervisor Module Boot Alert, page 8-34
Chapter 8 Software Images
"Automated Upgrades" section on
OL-18084-01, Cisco MDS NX-OS Release 4.x