Cisco Ethernet Services Plus Extended Transport 20G Line Card - switch - 2

The ES Plus XT line card features hierarchical quality of service (QoS), locally significant VLANs, and up to 16,000 VLAN IDs per line card for rich services at scale. The card provides the unique ability to combine both Layer 2 and Layer 3 services on the same line card. The combination of native Ethernet Layer 2 switching, bridging, Virtual Private LAN Services (VPLS), Ethernet over MPLS (EoMPLS), and Layer 3 IP/MPLS routing distinguishes this line card among other products on the market, particularly in Carrier Ethernet applications.

The ES Plus line card also includes synchronization circuitry enabling them to provide standards-based functions for delivering and deriving transport-class network timing, enabling support of network-synchronized services and applications such as mobile backhaul and time-division multiplexing (TDM) migration.