tcp_xmit_hiwat

Description

Defines the default send window size in bytes. Refer to Per-Route Metrics for a discussion of setting a different value on a per-route basis. See also tcp_max_buf.

Default

49,152

Range

4096 to 1,073,741,824

Dynamic?

Yes

When to Change

An application can use setsockopt(3XNET) SO_SNDBUF to change the individual connection's send buffer.

Commitment Level

Unstable