Cisco MDS 9000 Family Release Notes for Cisco MDS NX-OS Release 4.2(1a) (OL-19964-02, September 2009)

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Cisco MDS 9000 Family Release Notes for Cisco MDS NX-OS Release 4.2(1a)

OL-19964-02

Limitations and Restrictions

This section lists the limitations and restrictions for this release. The following limitations are described:

• IPv6, page 34

• User Roles, page 34

• Red Hat Enterprise Linux, page 35

• Generation 1 Module Limitation, page 35

• Schedule Job Configurations, page 35

• Maximum Number of Zones Supported in Interop Mode 4, page 35

• InterVSAN Routing, page 35

• Java Web Start, page 36

• VRRP Availability, page 36

• Using a RSA Version 1 Key for SSH Following an Upgrade, page 36

• CFS Cannot Distribute All Call Home Information, page 37

• Availability of F Port Trunking and F Port Channels, page 37

• Reserved VSAN Range and Isolated VSAN Range Guidelines, page 38

• Applying Zone Configurations to VSAN 1, page 38

• Running Storage Applications on the MSM-18/4, page 38

• RSPAN Traffic Not Supported on CTS Ports on 8-Gbps Switching Modules, page 39

• I/O Accelerator Feature Limitations, page 39

• Support for FCIP Compression Modes, page 39

• Saving Copies of the Running Kickstart and System Images, page 39

• Configuring Buffer Credits on a Generation 2 or Generation 3 Module, page 39

IPv6

The management port on Cisco MDS switches supports one user-configured IPv6 address, but does not

support auto-configuration of an IPv6 address.

User Roles

In SAN-OS Release 3.3(x) and earlier, when a user belongs to a role which has a VSAN policy set to

Deny and the role allows access to a specific set of VSANs (for example, 1 through 10), the user is

restricted from performing the configuration, clear, execute, and debug commands which had a VSAN