Change the Default Value of Connection Timeout

Note

The following commands are supported for Windows 10 only. In case of Windows 7 or Windows Server 2008 R2, the TCP maximum SYN retransmission value is set to 2 and is not configurable.

For details, refer to hotfix.

To get the default values, run:

netsh interface tcp show global

To change the value of default connection timeout, set the values of the following properties:

• InitialRto

• MaxSynRetransmissions

Updating Value of InitialRto

To update the value, run:

netsh interface tcp set global InitialRto=1000

Default value: 3000ms

Range: 300 - 3000ms

Recommended values: 2000ms - 3000ms

Updating MaxSynRetransmissions Property

To update the value, run:

netsh interface tcp set global MaxSynRetransmissions=2

Default value: 2

Range: 2 - 8

Recommended value: 2

To get the default values, run:

sysctl -a | grep net.ipv4

To change the value of default connection timeout, set the value of tcp_syn_retries property.

Updating tcp_syn_retries Property

To update the value, run:

sysctl -w net.ipv4.tcp_syn_retries=5

Default value: 6

Range: 1 - 127