_rexmit_interval_initial Parameter

Description

Specifies the default initial retransmission timeout (RTO) value for a TCP connection. Refer to Per-Route Metrics for a discussion of setting a different value on a per-route basis.

Default

1,000 milliseconds

Range

1 millisecond to 20,000 milliseconds

Dynamic?

Yes

When to Change

Do not change this value. Lowering the value can result in unnecessary retransmissions. The TCP_RTO_INITIAL socket option can be used to change the initial retransmission timeout on a per-socket basis.

Commitment Level

Unstable