... unique bandwidth management, flow prioritization and data flow security control key feature.MA5616 provided QoS (Quality of Service) ... SNMPv2c. Provides three key services,namely, authentication, encryption, and access control, considering the security defect inSNMPv1 and SNMPv2c ... in the authentication packet, thus enhancing the DHCP security. Supports global-level dynamic anti-MAC address spoofing. ...