Limitations and Restrictions
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
Applying Zone Configurations to VSAN 1
In the setup script, you can configure system default values for the default-zone to be permit or deny,
and you can configure default values for the zone distribution method and for the zone mode.
These default settings are applied when a new VSAN is created. However, the settings will not take effect
on VSAN 1, because it exists prior to running the setup script. Therefore, when you need those settings
for VSAN 1, you must explicitly issue the following commands:
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•
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Running Storage Applications on the MSM-18/4
The Cisco MDS 9000 18/4-Port Multiservice Module (MSM-18/4) does not support multiple, concurrent
storage applications. Only one application, such as SME or DMM, can run on the MSM-18/4 at a time.
RSPAN Traffic Not Supported on CTS Ports on 8-Gbps Switching Modules
An inter-switch link (ISL) that is enabled for Cisco TrustSec (CTS) encryption must be brought up in
non-CTS mode to support remote SPAN (RSPAN) traffic on the following modules:
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•
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If the ISL link is brought up with CTS enabled, random packets drops of both RSPAN traffic and normal
traffic will occur on the receiver port switch.
I/O Accelerator Feature Limitations
IOA does not support the following NX-OS features:
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•
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Support for FCIP Compression Modes
In Cisco NX-OS Release 4.2(1b) and later, FCIP compression mode 1 and compression mode 3 are not
supported on the Cisco MSM-18/4 module and on the SSN-16 module.
Cisco MDS 9000 Family Release Notes for Cisco MDS NX-OS Release 5.0(4b)
32
zone default-zone permit vsan 1
zoneset distribute full vsan 1
zone mode enhanced vsan 1
DS-X9248-96K9: Cisco MDS 9000 48-Port 8-Gbps Fibre Channel Switching Module
DS-X9224-96K9: Cisco MDS 9000 24-Port 8-Gbps Fibre Channel Switching Module
DS-X9248-48K9: Cisco MDS 9000 4/44-Port Host-Optimized 8-Gbps Fibre Channel Switching
Module
F port trunking
F port channeling
IOA cannot be configured on flows in topologies that have devices with NPV and NPIV enabled.
For example, IOA is not supported in a topology where a host logs in from a NPV edge switch and
IOA is deployed on a NPV core switch for this host.
OL-21012-04
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