Dell Connectrix MDS 9396S Connectrix Cisco MDS 9000 NX-OS 8.4-2c Release Notes - Page 16

Known problems and limitations Table 13 (page 2 of 2)FICON Nondisruptive Downgrade Paths from MDS NX-OS Release 8.4(2c) To Release with FICON Enabled Nondisruptive Downgrade Paths and Ordered Downgrade Steps MDS NX-OS Release 6.2(11e) Step 1.Downgrade directly to MDS NX-OS Release 8.4(1a) or 8.4(2b) MDS NX-OS Release 6.2(11d) Step 2.Downgrade to the target release Step 1.Downgrade directly to MDS NX-OS Release 8.4(1a) or 8.4(2b) MDS NX-OS Release 6.2(11c) Step 2.Downgrade to the target release Step 1.Downgrade directly to MDS NX-OS Release 8.4(1a) or 8.4(2b) Step 2.Downgrade to the target release Known problems and limitations For a list of problems with this release, please refer to the Cisco Release notes located at: http://www.cisco.com/en/US/products/ps5989/prod_release_notes_list.html This section lists the limitations and restrictions. Fibre Channel Read Diagnostic Parameters Fibre Channel RDP querying is not supported on NPV, Port Channel or FCoE links. FCIP Support In Cisco MDS NX-OS Release 8.4(2c), FCIP Write Acceleration is not supported between 24/10 San Extension Module and Cisco 18+4 MSM and Cisco SSN16 Modules. In Cisco MDS NX-OS Release 8.4(2c), FCIP Write Acceleration along with IVR is not supported on FCIP tunnels configured on Cisco MDS 9700 Series switches. FCIP tunnels using Cisco MDS 24/10 Port SAN Extension Module cannot be used across FSPF equal cost paths. On Cisco MDS 24/10 Port SAN Extension Module, configuring multiple ECMP port channels with FCIP members in the same VSAN is not a valid configuration. If this is configured, then the traffic will flow through only one of the port channels. 40GE IP Storage Interfaces Support In Cisco MDS NX-OS Release 8.4(2c), 40GE IP Storage Interfaces are not supported. iSCSI Support In Cisco MDS NX-OS Release 8.4(2c), iSCSI is not supported on Cisco MDS 9700 Directors with Cisco MDS 24/10 port SAN Extension Modules. 16 Dell EMC Connectrix MDS 9000 NX-OS Release Notes