By default, path MTU discovery on outgoing TCP connections is disabled. To enable path MTU discovery, include the path-mtu-discovery statement at the [edit system internet-options] hierarchy level:
- [edit system internet-options]
-
path-mtu-discovery;
To disable path MTU discovery on outgoing TCP connections, include the no-path-mtu-discovery statement at the [edit system internet-options] hierarchy level:
- [edit system internet-options]
- no-path-mtu-discovery;
