Upgrade and Downgrade Considerations
● Upgrading to or downgrading from FastIron 08.0.30...................................................... 11
● Considerations for devices with LAGs............................................................................ 15
● Considerations for devices in stack configurations......................................................... 15
● Upgrade considerations for devices with flexible authentication.....................................16
Upgrading to or downgrading from FastIron 08.0.30
NOTE
You must upgrade to the boot code that supports this release. Refer to "Software image files for
Release 08.0.xx" in the release notes for detailed information.
The following sections cover the details that should be considered before upgrading to FastIron 08.0.30
or downgrading to previous releases from FastIron 08.0.30.
BGP4+ Multi-VRF
Downgrade from FastIron 08.0.30 will cause all BGP VRF6 configuration and previously learned routes
to be deleted.
Equal Cost Multi-Path
ECMP is set to 8 by default in FastIron 8.0.30 but may be configured to larger values. Downgrading
from FastIron 08.0.30 restores the ECMP default, and previously learned paths are lost. The ranges for
ip load-sharing are also reduced. Before downgrading to an earlier release, the customer is advised to
reduce the ECMP parameter to 8.
Flash timeout configuration
The default flash timeout will remain at 12 minutes. Users can change it to any value between 12 and
60 minutes using the flash-timeout command. The configured timeout is synced across a stack, and is
applied after configuration to the next and all subsequent flash operations. On downgrade from FastIron
08.0.30, the flash timeout returns to the default of 12 minutes.
ICX 6610 license merge
In FI 8.0.30, the advanced features for ICX6610 are available with a premium license. If an advanced
license has been previously installed on the system, the system will function as if it has been upgraded
to FI 8.0.30. However, if the FI 08.0.30 premium license is installed on the system and the system is
downgraded to an earlier release, the advanced features will be lost. Refer to the FastIron Ethernet
Switch Licensing Guide for more information on licensing changes.
FastIron Ethernet Switch Software Upgrade Guide
11
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