Cisco MDS 9000 Family Release Notes for Cisco MDS NX-OS Release 5.2(2) (OL-25090-02 F0, January 2012)

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Cisco MDS 9000 Family Release Notes for Cisco MDS NX-OS Release 5.2(2)
OL-25090-02
New Features in Cisco MDS NX-OS Release 5.2
New Features in Cisco MDS NX-OS Release 5.2
Cisco MDS NX-OS Release 5.2(2) is a FICON-certified version of Cisco MDS NX-OS Release 5.2(1),
that also includes new features and bug fixes. In addition to these features, Cisco MDS NX-OS Release
5.2(2) supports all the new software features and new hardware that were introduced in Cisco MDS
NX-OS Release 5.2(1).
This section includes the following topics:
• New Software Features in Cisco MDS NX-OS Release 5.2(2), page 23
• New Software Features in Cisco MDS NX-OS Release 5.2(1), page 24
• New Hardware in Cisco MDS NX-OS Release 5.2(1), page 25
New Software Features in Cisco MDS NX-OS Release 5.2(2)
Cisco MDS NX-OS Release 5.2(2) supports the following software features:
• FICON Certification
Cisco MDS NX-OS Release 5.2(2) is a FICON-certified release that supports these features:
– Nondisruptive software upgrades to and downgrades from Cisco NX-OS Release 4.2(7b), which
is the previous FICON-certified release.
– FICON FCIP on the Cisco MDS 9000 SSN-16 module, including FICON Tape Acceleration and
XRC Acceleration.
– FICON Tape Acceleration for ESCON through Optica PRIZM.
– FICON support on the Cisco MDS 9000 32-port 8-Gbps Advanced Fibre Channel Switching
module, the Cisco MDS 9000 48-port 8-Gbps Advanced Fibre Channel Switching module, and
the Cisco MDS 9513 Switching Fabric 3 module (DS-13SLT-FAB3).
• Availability of Cisco MDS NX-OS Release 5.2 on Cisco MDS 9100 Series Fabric Switches
Cisco MDS NX-OS Release 5.2(2) supports the following switches (which are not supported by
Cisco MDS NX-OS Release 5.2(1)):
Table 15 FICON Downgrade Path
To Release with FICON Enabled Downgrade Path
NX-OS Release 4.2(7b) You can nondisruptively downgrade directly from NX-OS Release 5.2(2)
NX-OS Release 4.2(1b) You can nondisruptively downgrade directly from NX-OS Release 4.2(7b).
NX-OS Release 4.1(1c) You can nondisruptively downgrade directly from NX-OS Release 4.2(1b).
SAN-OS 3.3(1c) You can nondisruptively downgrade directly from NX-OS Release 4.1(1c).
SAN-OS 3.2(2c) First downgrade to SAN-OS Release 3.3(1c) and then downgrade to Release
3.2(2c).
SAN-OS 3.0(3b) First downgrade to SAN-OS Release 3.3(1c) and then downgrade to Release
3.0(3b).
SAN-OS 3.0(2) First downgrade to SAN-OS Release 3.3(1c) and then downgrade to Release
3.0(2).