seq_window = 100
The initial sequence window (sec. 7.5.2) of the sender. This influences
the local ackno validity and the remote seqno validity windows (7.5.1).
+ Values in the range Wmin = 32 (RFC 4340, 7.5.2) up to 2^32-1 can be set.
tx_qlen = 5
The size of the transmit buffer in packets. A value of 0 corresponds