$ 0 0 I'm not sure if this is supported on the QFX platform but this is the command. This is a DoS prevention technique. https://www.juniper.net/documentation/en_US/junos/topics/task/configuration/tcp-rfc-1323-tcp-paws-extension-disabling.html https://www.juniper.net/documentation/en_US/junose13.3/topics/task/configuration/tcp-paws-timestamp-dos-attack-protection.html