S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m
parameter outside this specified set. Beginning with NX-OS Release 4.1(1b), these users are still
prevented from performing configuration, clear, execute, and debug commands as before, however,
they are allowed to perform show commands for all VSANs. This addresses the following:
1.
2.
Red Hat Enterprise Linux
The Linux kernel core dump is not supported in NX-OS Release 4.1(1b) and later versions and therefore
the CLI command has been removed. A syntax error message will be displayed if you import
configurations from SAN-OS Release 3.3(x) and earlier to NX-OS Release 4.1(1b) and later. These
syntax errors do not affect the application of other commands in the configuration and can be safely
ignored. To address this, remove the kernel core configuration from the ASCII configuration file before
importing the configuration.
Generation 1 Module Limitation
When a Cisco or other vendor switch port is connected to a Generation 1 module port (ISL connection),
the receive buffer-to-buffer credit of the port connected to a Generation 1 module port should not exceed
255.
Schedule Job Configurations
As of MDS NX-OS Release 4.1(1b) and later, the scheduler job configurations need to be entered in a
single line with a semicolon(;) as the delimiter.
Job configuration files created with SAN-OS Release 3.3(1c) and earlier, are not supported. However,
you can edit the job configuration file and add the delimiter to support Cisco NX-OS Release 4.1(3a).
Maximum Number of Zones Supported in Interop Mode 4
In interop mode 4, the maximum number of zones that is supported in an active zone set is 2047, due to
limitations in the connected vendor switch.
When IVR is used in interop mode 4, the maximum number of zones supported, including IVR zones,
in the active zone set is 2047.
InterVSAN Routing
When using InterVSAN Routing (IVR), it is recommended to enable Cisco Fabric Services (CFS) on all
IVR-enabled switches. Failure to do so may cause mismatched active zone sets if an error occurs during
zone set activation.
OL-19964-02
In a network environment, users often need to view information in other VSANs even though they
do not have permission to modify configurations in those VSANs.
This makes the Cisco MDS behavior consistent with other Cisco products such as Nexus 7000 which
exhibits the same behavior for those roles (when they apply to the VLAN policy).
Cisco MDS 9000 Family Release Notes for Cisco MDS NX-OS Release 4.2(1a)
Limitations and Restrictions
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