One 1000BASE-T Gigabit Ethernet WAN port
◦ One 10/100BASE-T Fast Ethernet WAN port
◦ One 1-port Gigabit Ethernet (GE) Small Form-Factor Pluggable (SFP) socket for WAN connectivity
(Note: Only the 1000BASE-T Gigabit Ethernet WAN or the SFP is operational at a given time.)
◦ Intelligent hierarchical quality of service (HQoS): Supports hierarchical queuing and shaping
◦ Connectivity Fault Management (CFM), based on 802.1ag
◦ 802.3ah standard-based link operations, administration, and maintenance (OAM)
◦ Ethernet Local Management Interface (E-LMI) for the customer edge
◦ CFM Interworking and backward compatibility
◦ Performance management based on IP service-level agreement (SLA) for Ethernet