Cisco Cisco Nexus 5010 Switch Guida All'Installazione
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Cisco Nexus 5600 Series NX-OS Software Upgrade and Downgrade Guide, Release 7.1(0)N1(1a)
Disruptive Installation Process
Note
The dual-homed FEXs are now connected to the primary and secondary switches that are running two
different versions of the Cisco NX-OS software. The vPC primary switch is running the upgraded
version and the vPC secondary switch is running the original software version. The Cisco NX-OS
software has been designed to allow an upgraded dual-home FEX to interoperate with vPC secondary
switches running the original version of Cisco NX-OS while the primary switch is running the upgrade
version.
different versions of the Cisco NX-OS software. The vPC primary switch is running the upgraded
version and the vPC secondary switch is running the original software version. The Cisco NX-OS
software has been designed to allow an upgraded dual-home FEX to interoperate with vPC secondary
switches running the original version of Cisco NX-OS while the primary switch is running the upgrade
version.
Upgrade Process for a vPC Topology on the Secondary Switch
The following list summarizes the upgrade process on a secondary switch in a vPC topology. Steps that
differ from a switch upgrade in a non-vPC topology are in bold.
differ from a switch upgrade in a non-vPC topology are in bold.
1.
The install all command issued on the vPC second switch triggers the installation upgrade.
2.
The compatibility checks display the impact of the upgrade.
3.
The installation proceeds or not based on the upgrade impact.
4.
The current state is saved.
5.
The system unloads and runs the new image.
6.
The stateful restart of the system software and application occurs.
7.
The installer resumes with the new image.
8.
The FEXs are upgraded sequentially. The upgrade completes on the single-homed FEXs and
a sanity check is performed on the dual-homed FEXs.
a sanity check is performed on the dual-homed FEXs.
Note
The dual-homed FEXs were upgraded by the primary switch.
9.
The configuration is unlocked on the primary and secondary switches.
10.
The installation is complete.
Disruptive Installation Process
Caution
Doing a disruptive upgrade between incompatible images will result in loss of certain configurations
such as unified ports, breakout, and FEX configurations. See
such as unified ports, breakout, and FEX configurations. See
The following are conditions where a nondisruptive ISSU might not be possible when upgrading a Cisco
Nexus device:
Nexus device:
•
The topology and/or features are not ISSU ready. See the
for more information.
•
The installation is a downgrade, such as a higher release to a lower release, unless stated otherwise
in the release specific information section.
in the release specific information section.
•
You want to do a disruptive upgrade. See the
.