85a8d692_C_____Twin_Oaks_Computing__Inc__Description
[Environment Variable] COREDX_MAX_TX_BUFFER_SIZE [Values] 401 - 65400 [Description] 
(in bytes) The CoreDX DDS RTPS transport will combine multiple data packets to send over the network to reduce network overhead and improve performance. By default, the transmit buffer size is dynamic. For cases where IP fragmentation and reassembly is not implemented well in either the network hardware or operating system, it is necessary to fix the transmit buffer to a smaller size. This environment variable controls the maximum size of the transmit buffer on every DataWriter within a DomainParticipant (including Built-in DataWriters). There are more parameters to configure aspects of the transmit buffer size, including support for dynamic buffer sizing. See the CoreDX DDS Programmer Guide for more information.
CoreDX DDS Quick Start Guide for C++ | Twin Oaks Computing, Inc
Description