Chapter 1: Introduction
8
NS3550-8T-2S Industrial Managed Switch User Manual
- TOS / DSCP / IP Precedence of IPv4/IPv6 packets
- IP TCP/UDP port number
- Typical network application
• Strict priority and Weighted Round Robin (WRR) CoS policies
• Supports QoS and In/Out bandwidth control on each port
• Traffic-policing policies on the switch port
• DSCP remarking
Multicast
• Supports IGMP snooping v1, v2, and v3
• Supports MLD snooping v1 and v2
• Querier mode support
• IGMP snooping port filtering
• MLD snooping port filtering
• Multicast VLAN Registration (MVR) support
Security
• Authentication
− IEEE 802.1x Port-Based / MAC-Based network access authentication
− Built-in RADIUS client to co-operate with the RADIUS servers
− login users access authentication
− RADIUS / users access authentication
• Access Control List (ACL)
− IPv4 / IPv6 IP-based ACL
− MAC-based ACL
• Source MAC / IP address binding
• DHCP snooping to filter distrusted DHCP messages
• Dynamic ARP inspection discards ARP packets with invalid MAC addresses to IP
address binding.
• IP source guard prevents IP spoofing attacks.
• Auto DoS rule to defend against DoS attacks.
• IP address access management to prevent unauthorized intruders.
Management
• Switch management interfaces:
− Remote Telnet management