tcp_recv_hiwat

Description

The default receive window size in bytes. Refer to the following discussion of per-route metrics for setting a different value on a per-route basis. See tcp_recv_hiwat_minmss and tcp_max_buf also.

Default

49,152

Range

2048 to 1,073,741,824

Dynamic?

Yes

When to Change

Note that this is the default value. An application can use setsockopt(3XNET) SO_RCVBUF to change the individual connection's receive buffer.

Commitment Level

Unstable