tcp_max_buf

Description

The maximum buffer size in bytes. It controls how large the send and receive buffers are set to by an application using setsockopt(3SOCKET).

Default

1,048,576

Range

8192 to 1,073,741,824

Dynamic?

Yes

When to Change

If TCP connections are being made in a high-speed network environment, increase the value to match the network link speed.

Commitment Level

Unstable