"IP" - flow is defined by ingress ports
and src and dst IP addresses
Default value: "port"
+ 'flow_control' - Controls flow control support by traffic generator.
+ Supported values:
+ False - flow control is disabled
+ True - flow control is enabled
+ Default value: False
+ Note: Currently it is supported by IxNet only
+ 'learning_frames' - Controls learning frames support by traffic generator.
+ Supported values:
+ False - learning frames are disabled
+ True - learning frames are enabled
+ Default value: True
+ Note: Currently it is supported by IxNet only
'l2' - A dictionary with l2 network layer details. Supported
values are:
'srcmac' - Specifies source MAC address filled by traffic generator.