A socket in a network device that is used for network management. In the large enterprise, a separate and very private LAN is often created for access to network devices that have Ethernet management ports. The separate LAN prevents intruders from gaining access to critical network components.
Ethernet Management Ports
The two Ethernet ports on the left side of this NAS gateway from ONStor are used for management. The ports on the right side are used for the LAN and Fibre Channels. (Image courtesy of ONStor, Inc., www.onstor.com)