tcp_wscale_always

Description

If set to 1, TCP always sends SYN segment with the window scale option, even if the option value is 0. Note that if TCP receives a SYN segment with the window scale option, even if the parameter is set to 0, TCP responds with a SYN segment with the window scale option, and the option value is set according to the receive window size.

Refer to RFC 1323 for the window scale option.

Default

0 (disabled)

Range

0 (disabled), 1 (enabled)

Dynamic?

Yes

When to Change

If you want the window scale option in a high-speed network configuration, enable it.

Commitment Level

Unstable