New and Changed Information

New and Changed Information

Table 1. New and Changed Features

Feature

Description

Changed in Release

Where Documented

Upgrade Requirements for 32G and 64G Switches

After an upgrade, additional actions are required depending on the platform. 32G switches require a manual reload after ISSU, unless a disruptive ISSU is performed. 64G switches require an EPLD upgrade, which involves a one-time reload.

9.4(5)

Cisco MDS NX-OS Software Upgrade Guidelines

Upgrade to 9.x releases Updated upgrade paths to 9.x releases -- Supported Cisco MDS NX-OS Software Nondisruptive Upgrade Paths
Upgrade and Downgrade to FICON-qualified 9.4(3b)

Added for FICON qualification on 9.4(3b)

9.4(3b)

FICON Nondisruptive Upgrade Paths to Cisco MDS NX-OS Release 9.4(3b)

FICON Nondisruptive Downgrade Paths from Cisco MDS NX-OS Release 9.4(3b)

Upgrade and Downgrade to 9.4(4)

Added for 9.4(4) release

9.4(4)

Nondisruptive Upgrade Paths to Cisco MDS NX-OS Release 9.4(4)

Nondisruptive Downgrade Paths from Cisco MDS NX-OS Release 9.4(4)

Preventing SAN Analytics corruption

Added for CSCwo03706. 9.4(4)

Preventing Hardware Forwarding Corruption during ISSU

Upgrade and Downgrade to 9.4(3b)

Added for 9.4(3b) release

9.4(3b)

Nondisruptive Upgrade Paths to Cisco MDS NX-OS Release 9.4(3b)

Nondisruptive Downgrade Paths from Cisco MDS NX-OS Release 9.4(3b)

Upgrade and Downgrade to 9.4(3a)

Added for 9.4(3a) release

9.4(3a)

Supported Cisco MDS NX-OS Software Nondisruptive Upgrade Paths

Supported Cisco MDS NX-OS Software Nondisruptive Downgrade Paths

Upgrade and Downgrade to 9.4(3)

Added for 9.4(3) release

9.4(3)

Supported Cisco MDS NX-OS Software Nondisruptive Upgrade Paths

Supported Cisco MDS NX-OS Software Nondisruptive Downgrade Paths

Upgrade and Downgrade to 9.4(2a)

Added for 9.4(2a) release

9.4(2a)

Supported Cisco MDS NX-OS Software Nondisruptive Upgrade Paths

Supported Cisco MDS NX-OS Software Nondisruptive Downgrade Paths

Transceivers Firmware Upgrade

This chapter is added.

9.4(2)

Upgrading Transceiver Firmware