text: (cid:2) IP partnerships are supported on both 10 gigabits per second (Gbps) links and 1 Gbps 
  links. However, the intermix of both on a single link is not supported. 
  
  (cid:2) The maximum supported round-trip time is 80 milliseconds (ms) for 1 Gbps links. 
  
  (cid:2) The maximum supported round-trip time is 10 ms for 10 Gbps links. 
  
  (cid:2) The inter-cluster heartbeat traffic uses 1 Mbps per link. 
  
  (cid:2) Only nodes from two I/O Groups can have ports that are configured for an IP partnership. 
  
  (cid:2) Migrations of remote copy relationships directly from FC-based partnerships to IP 
  partnerships are not supported. 