Cisco MDS 9000 Family Release Notes for Cisco MDS NX-OS Release 5.2(1) (OL-25090-01, July 2011)

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Cisco MDS 9000 Family Release Notes for Cisco MDS NX-OS Release 5.2(1)
OL-25090-01
Caveats
When you configure port mode to auto or E for all ports in the global buffer pool, you need to reconfigure
buffer credits on one or more of the ports. The total number of buffer credits configured for all the ports
in the global buffer pool should be reduced by 64.
Features Not Supported on the Cisco MDS 9148 Switch
The Cisco MDS 9148 Multilayer Fabric Switch does not support the following NX-OS features:
• IVR
• Remote Span
• Translative loop support
• FCC - no generation, quench reaction only
• FC-Redirect
In addition, the following features have these limits:
• VSANs - 31 maximum
• SPAN - 1 session maximum
PPRC Not Supported with FCIP Write Acceleration
IBM Peer to Peer Remote Copy (PPRC) is not supported with FCIP Write Acceleration.
Caveats
This section lists the open and resolved caveats for this release. Use Table 15 to determine the status of
a particular caveat. In the table, “O” indicates an open caveat and “R” indicates a resolved caveat.
.
Table 15 Open Caveats and Resolved Caveats Reference
DDTS Number
NX-OS Software Release (Open
or Resolved)
NX-OS Software Release (Open
or Resolved)
5.0(4d) 5.2(1)
Severity 1
CSCto68011 OR
Severity 2
CSCtf11784 OR
CSCth10234 OR
CSCth80324 OR
CSCti73204 OR
CSCtj92295 —R
CSCtk47039 OR
CSCtl86272 OR
CSCtn01631 OR