Intelligent handling of oversubscribed traffic for Type
1 and Type 2 PICs
Optical diagnostics and related alarms
Quality of service (QoS) per channel: weighted round-robin
(WRR), random early detection (RED), weighted random early detection
(WRED)
Virtual Router Redundancy Protocol (VRRP) support
Hierarchical shaping
Fine-grained queuing and shaping per logical interface
at both ingress and egress
802.1q virtual LANs (VLANs)
VLAN stacking and rewriting
Channels defined by two stacked VLAN tags
Multiple tag protocol identifiers (TPID) support
IP service for nonstandard TPID and stacked VLAN tags
802.1p rewrite per channel
Flexible mapping of channels and scheduler resources at
both ingress and egress
Flexible Ethernet encapsulation
MAC learning, policing, accounting, and filtering