Installation guide
Table Of Contents
- Cisco MDS 9000 Family Release Notes for Cisco MDS NX-OS Release 5.2(8c)
- Contents
- Introduction
- Components Supported
- MDS 9000 Chassis and Module Support
- Software Download Process
- Determining the Software Version
- Determining Software Version Compatibility
- Downloading Software
- Selecting the Correct Software Image for an MDS 9100 Series Switch
- Selecting the Correct Software Image for an MDS 9200 Series Switch
- Selecting the Correct Software Image for an MDS 9500 Series Switch
- NPE Software Images
- Upgrading Your Cisco MDS NX-OS Software Image
- Downgrading Your Cisco MDS SAN-OS Software Image
- New Features in Cisco MDS NX-OS Release 5.2
- New Features in Cisco MDS NX-OS Release 5.2(8c)
- Cisco MDS NX-OS Release 5.2(8c) is a maintenance release that includes bug fixes. It does not include new features.
- New Features in Cisco MDS NX-OS Release 5.2(8b)
- New Features in Cisco MDS NX-OS Release 5.2(8a)
- New Features in Cisco MDS NX-OS Release 5.2(8)
- New Features in Cisco MDS NX-OS Release 5.2(6b)
- New Features in Cisco MDS NX-OS Release 5.2(6a)
- New Features in Cisco MDS NX-OS Release 5.2(6)
- New Features in Cisco MDS NX-OS Release 5.2(2d)
- New Features in Cisco MDS NX-OS Release 5.2(2a)
- New Features in Cisco MDS NX-OS Release 5.2(2)
- New Features in Cisco MDS NX-OS Release 5.2(1)
- New Hardware in Cisco MDS NX-OS Release 5.2(1)
- Licensed Cisco NX-OS Software Packages
- Deprecated Features
- Limitations and Restrictions
- SME Quorum
- OUI Mismatch for SME Tape Targets
- FCIP Performance Drop
- FCoE Module
- IPv6
- User Roles
- Schedule Job Configurations
- Maximum Number of Zones Supported in Interop Mode 4
- InterVSAN Routing
- Java Web Start
- VRRP Availability
- Using a RSA Version 1 Key for SSH Following an Upgrade
- CFS Cannot Distribute All Call Home Information
- Availability of F Port Trunking and F Port Channels
- Reserved VSAN Range and Isolated VSAN Range Guidelines
- Applying Zone Configurations to VSAN 1
- Running Storage Applications on the MSM-18/4
- RSPAN Traffic Not Supported on CTS Ports on 8-Gbps Switching Modules
- I/O Accelerator Feature Limitations
- Support for FCIP Compression Modes
- Saving Copies of the Running Kickstart and System Images
- Configuring Buffer Credits on a Generation 2 or Generation 3 Module
- Features Not Supported on the Cisco MDS 9148 Switch
- PPRC Not Supported with FCIP Write Acceleration
- Configuring a Persistent FCID in an IVR Configuration with Brocade Switches
- Caveats
- Related Documentation
- Obtaining Documentation and Submitting a Service Request

17
Cisco MDS 9000 Family Release Notes for Cisco MDS NX-OS Release 5.2(8c)
OL-27554-07
Upgrading Your Cisco MDS NX-OS Software Image
The network can now run in IVR-NAT mode.
General Upgrading Guidelines
Follow these general guidelines before performing a software upgrade:
• Review the nondisruptive upgrade path to Release 5.2(8c) in Table 11.
• Install and configure dual supervisor modules before the upgrade.
• Issue the show install all impact upgrade-image CLI command to determine if your upgrade will
be nondisruptive.
• Be aware that some features impact whether an upgrade is disruptive or nondisruptive:
–
Fibre Channel Ports: Fibre Channel ports can be nondisruptively upgraded without affecting
traffic on the ports. See Table 11 for the nondisruptive upgrade path for all NX-OS and SAN-OS
releases.
–
Gigabit Ethernet Ports: Traffic on Gigabit Ethernet ports is disrupted during an upgrade or
downgrade. This includes IPS modules and the Gigabit Ethernet ports on the MSM-18/4 module
and the MDS 9222i switch. Those nodes that are members of VSANs traversing an FCIP ISL
are impacted, and a fabric reconfiguration occurs. iSCSI initiators connected to the Gigabit
Ethernet ports lose connectivity to iSCSI targets while the upgrade is in progress.
–
FICON: If you have FICON enabled, the upgrade path is different. See the “FICON Supported
Releases and Upgrade Paths” section on page 19.
Note In addition to these guidelines, you may want to review the information in the “Limitations and
Restrictions” section prior to a software upgrade to determine if a feature may possibly behave
differently following the upgrade.
Nondisruptive Upgrade Paths
Use Table 11 to determine your nondisruptive upgrade path to Cisco MDS NX-OS Release 5.2(8c). Find
the image release number you are currently using in the “Current Release” column of the table and
follow the steps in the order specified to perform the upgrade.
Note The software upgrade information in Table 11 applies only to Fibre Channel switching traffic.
Upgrading system software disrupts IP traffic and intelligent services traffic.
Note Before upgrading to Cisco MDS NX-OS Release 5.2(8c) on a Cisco MDS 9509 or 9506 switch, see
Table 14 for specific guidelines.
Caution Upgrading to Cisco NX-OS Release 5.2(8c) without first upgrading to Release 5.0(x) is not
recommended and is not supported, and might result in configuration loss. If you are upgrading to Cisco
NX-OS Release 5.2(8c) from any release other than Release 5.2(8b), 5.2(8a), Release 5.2(8), Release
5.2(6b), Release 5.2(6a), Release 5.2(6), Release 5.2(2d), Release 5.2(2a), Release 5.2(2), or Release
5.2(1), the only supported upgrade path to Release 5.2(8c) is from Release 5.0(x).