CMMVC1174E The command failed because NVMeTCP/RDMA host creation is not supported over ports with MTU greater than 1500.

Explanation

FlashSystem NVMeTCP/RDMA protocols do not work with Ethernet ports that have MTU greater than 1500. Creating a new NVMeTCP/RDMA host or changing an existing NVMeTCP/RDMA host fails if the portset has Ethernet ports with MTU greater than 1500.

User response

Use FlashSystem NVMeTCP/RDMA protocols only with Ethernet ports that have MTU of 1500.