User's Manual

Table Of Contents
User’s Manual of LRP-822CS/LRP-1622CS
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, 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) support (IEEE 802.1ad)
- 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
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