The value of tmnxMcPathChlSrcVdoRTState specifies the state of
Retransmission (RT) Server for this sender override context.
When this object has a value of 'enabled', RT server is enabled. When
its value is 'disabled', RT server is disabled. When its value is
'inherit', state of RT server is inherited from the value of
tmnxMcPathBdlChlVdoRTState which specifies the state of RT server at
the channel level.