Hi Lazuardi,
1. What is the number of ports which can be interchanged between FDR/QDR IB mode and 40GbE mode by this license?
Answer - All 12 ports can be change between IB and Ethernet
2. When on 40GbE mode, are these ports compatible to QSFP+ to 4x SFP+ squid cable (ex. MC2609125-005) for deviding a 40GbE port to be four 10GbE ports like on MSX1012B-2BFS?
Answer - Yes
3. What is the maximum MTU on FDR/QDR IB mode and on 40GbE mode?
Answer - Max MTU in Infiniband (IPoIB) is 4092 bytes
In Ethernet max MTU is 9216 Bytes
4. Any documentation related to UPGR-601
You can get it in:
1. The switch Web interface ("product documentation" tab)
2. http://support.mellanox.com/SupportWeb/Switches/infiniband_switches/SX60XXR/manuals
3. http://support.mellanox.com/SupportWeb/service_center/VF_SerialSearch