Quality Of Service; Security - Net Generation NG-PGS164W User Manual

- Multiple Spanning Tree support ( IEEE std 802.1s )
- IGMP, GARP, GMRP, and GVRP support

Quality of Service

- Programmable multi-layer classifier with four QoS classes per port
- Strict priority or weighted round-robin forwarding with guaranteed
bandwidth allocation
- Traffic class assignment based on port
- DSCP ( IPv4 & IPv6) and 802.1p support
- DSCP remarking for both IPv4 & IPv6 packets
- Provide Bridge support with multiple VLAN tags ( Q-in Q)
- Broadcast and multicast storm control
- Full-duplex flow control ( IEEE 802.3x ) and half-duplex back pressure
- Traffic shaping and policing per port in sites
- Link aggregation support based on layer 2-4 information ( IEEE Std
802.3ad)

Security

- Port-based access control support
- 4,096 VLAN support
- VLAN awareness on a per port basis
- Independent and share VLAN learning
- VLAN Q-in Q support (VLAN stacking )
- Source IP filter per port to block unwanted access
- Extensive snooping : BPDU, GARP, ARP, IPMC, IGMP, TCP/UDP
- TCP/UDP filter for CPU copy/redirect, frame snooping and frame
eradication
- DHCP filter to block unwanted DHCP servers on a per-port basis
- Multiple ARP filters for detection of ARP intrusion scans
- Extensive storm control: broadcast, multicast, uni-cast, ICMP and CPU
( ARP, BPDU) traffic control
- Per port CPU based learning option
- CPU mirroring per port and per VLAN
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