The PMTUDiscoveryEnabled property indicates whether the Maximum Transmission Unit (MTU) path is discovered. Setting this ...

The PMTUDiscoveryEnabled property indicates whether the Maximum Transmission Unit (MTU) path is discovered. Setting this parameter to TRUE causes TCP to attempt to discover the MTU (the largest packet size) over the path to a remote host. By discovering the MTU path and limiting TCP segments to this size, TCP can eliminate fragmentation at routers along the path that connect networks with different MTUs. Fragmentation adversely affects TCP throughput and network congestion. Setting this parameter to FALSE causes an MTU of 576 bytes to be used for all connections that are not to machines on the local subnet. Default: TRUE.