The topics in this section provide information on validated upgrade paths, migration considerations, and compatible software versions.
See the VOSS User Guide for detailed image management procedures that includes information about the following specific upgrade considerations:
Fabric:
Pre-upgrade instructions for IS-IS metric type
Considerations for VLANs or MLTs where the VLAN or MLT name uses all numbers.
Considerations for digital certificates configured prior to VOSS 8.1.
Considerations for Fast PoE and Perpetual PoE features configured prior to VOSS 8.1.5.
Upgrade switches using one of the options in the following sections: