tcp_slow_start_initial

Description

The maximum initial congestion window (cwnd) size in MSS of a TCP connection.

Refer to RFC 2414 on how initial congestion window size is calculated.

Default

4

Range

1 to 4

Dynamic?

Yes

When to Change

Do not change the value.

If the initial cwnd size causes network congestion under special circumstances, decrease the value.

Commitment Level

Unstable

Changes From Previous Release

See tcp_slow_start_initial for more information.