User Manual

User’s Manual of LRP-422CST
Layer 2 Features
■ Prevents packet loss with back pressure (half-duplex) and IEEE 802.3x pause frame flow control (full-duplex)
■ High performance Store and Forward architecture, broadcast storm control and runt/CRC filtering that eliminates
erroneous packets to optimize the network bandwidth
■ Supports VLAN
 IEEE 802.1Q tagged VLAN
 Provider Bridging (VLAN Q-in-Q, IEEE 802.1ad) support
 Protocol VLAN
 Voice VLAN
 Private VLAN
 Management VLAN
 GVRP
■ Supports Spanning Tree Protocol
 STP (Spanning Tree Protocol)
 RSTP (Rapid Spanning Tree Protocol)
 MSTP (Multiple Spanning Tree Protocol)
 STP BPDU Guard, BPDU Filtering and BPDU Forwarding
■ Supports Link Aggregation
 IEEE 802.3ad Link Aggregation Control Protocol (LACP)
 Cisco ether-channel (static trunk)
 Maximum 4 trunk groups, up to 4 ports per trunk group
■ Provides port mirror (many-to-1)
■ Loop protection to avoid broadcast loops
Quality of Service
■ Ingress/egress rate limit per port bandwidth control
■ Storm control support
 Broadcast/unknown unicast/unknown multicast
■ Traffic classification
 IEEE 802.1p CoS
 ToS/DSCP/IP Precedence of IPv4/IPv6 packets
■ Strict priority and Weighted Round Robin (WRR) CoS policies
Multicast
■ Supports IGMP snooping v2 and v3
■ Supports MLD snooping v1, v2
■ IGMP querier mode support
■ IGMP snooping port filtering
■ MLD snooping port filtering
Security
■ Authentication
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