Chapter 1: Introduction
12 NS3552-8P-2S-V2 User Manual
• High performance of Store-and-Forward architecture and runt/CRC filtering
eliminates erroneous packets to optimize the network bandwidth.
Storm control support:
• Broadcast / Multicast / Unknown-Unicast
Supports VLAN
• IEEE 802.1Q tagged VLAN
• Up to 255 VLANs groups out of 4094 VLAN IDs
• Provider bridging (VLAN Q-in-Q) support (IEEE 802.1ad)
• Private VLAN Edge (PVE)
• Protocol-based VLAN
• MAC-based VLAN
• Voice VLAN
Supports STP
• STP, IEEE 802.1D Spanning Tree Protocol
• RSTP, IEEE 802.1w Rapid Spanning Tree Protocol
• MSTP, IEEE 802.1s Multiple Spanning Tree Protocol, spanning tree by VLAN
• BPDU Guard
Supports link aggregation
• IEEE 802.3ad Link Aggregation Control Protocol (LACP)
• Cisco ether-channel (static trunk)
• Maximum five trunk groups, up to eight ports per trunk group
• Up to 16 Gbps bandwidth (duplex mode)
Provides port mirror (many-to-1)
Port mirroring to monitor the incoming or outgoing traffic on a particular port
Loop protection to avoid broadcast loops
Supports Ethernet Ring Protection Switching (ERPS)
Quality of Service
• Ingress shaper and egress rate limit per port bandwidth control
• Eight priority queues on all switch ports
• Traffic classification:
- IEEE 802.1p CoS
- TOS / DSCP / IP Precedence of IPv4/IPv6 packets
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