ONTAP 9.14.1 commands

network tuning tcp modify

Modify TCP tuning options

Availability: This command is available to cluster administrators at the admin privilege level.


This commands sets TCP tuning options on the node.


-node {<nodename>|local} - Node

Indicates on which node the TCP tuning options will be modified.

[-is-path-mtu-discovery-enabled {true|false}] - Path MTU discovery enabled

Enables path MTU discovery feature.

[-is-rfc3465-enabled {true|false}] - RFC3465 enabled

Enables the rfc3465 feature.

[-max-cwnd-increment <integer>] - Maximum congestion window segments incrementation

Sets the maximum congestion window increment segements during slow start.

[-is-rfc3390-enabled {true|false}] - RFC3390 enabled

Enables the rfc3390 feature.

[-is-sack-enabled {true|false}] - SACK support enabled

Enables the selective ACK feature.


cluster1::> network tuning tcp modify -node node1 -is-path-mtu-discovery-enabled false
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