flow control on wan ports - SERP Analysis

https://www.reddit.com/r/networking/comments/1vosfv/flow_control/

https://kb.netgear.com/000065988/How-do-I-configure-Flow-Control-on-my-router

https://www.juniper.net/documentation/us/en/software/junos/traffic-mgmt-qfx/topics/concept/cos-qfx-series-congestion-notification-understanding.html

https://forum.netgate.com/topic/185923/ethernet-flow-control-yes-or-no-netgate-pfsense-seems-to-default-to-yes

https://www.etherwan.com/us/support/faq/how-does-flow-control-operate-etherwan-managed-switches

https://community.hpe.com/t5/switches-hubs-and-modems/when-to-use-flow-control/td-p/4337588

https://www.snbforums.com/threads/a-morality-tale-the-importance-of-flow-control.21974/

https://community.tp-link.com/en/business/forum/topic/617390

https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/10/html/network_troubleshooting_and_performance_tuning/flow-control-for-ethernet-networks