S
OFTWARE
S
PECIFICATIONS
A-2
Rate Limits
Input/output limit
Range (configured per port)
Port Trunking
Static trunks (Cisco EtherChannel compliant)
Dynamic trunks (Link Aggregation Control Protocol)
Spanning Tree Algorithm
Spanning Tree Protocol (STP, IEEE 802.1D)
Rapid Spanning Tree Protocol (RSTP, IEEE 802.1w)
Multiple Spanning Tree Protocol (MSTP, IEEE 802.1s)
VLAN Support
Up to 256 groups; port-based, protocol-based, or tagged (802.1Q),
GVRP for automatic VLAN learning, QinQ double-tagging, private
VLANs
Class of Service
Supports eight levels of priority and Weighted Round Robin Queueing
(which can be configured by VLAN tag, IPv6 priority bits, or port),
Layer 3/4 priority mapping: IP Port, IP Precedence, IP DSCP
Quality of Service
DiffServ supports class maps, policy maps, and service policies
Multicast Filtering
IGMP Snooping
Multicast VLAN Registration
VDSL2
Frequency division duplexing separates upstream and downstream
transmissions
Up to 6 bands with spectrum utilization of up to 30MHz
Maximum symmetrical short range bit rate of 100 Mbps at 200 meters
Rate Adaptive mode automatically sets optimal rate for existing line
conditions
RFI Notching per ITU-T and TTC requirements