IPv4 and IPv6 VLAN Routing for Secure and Flexible Management
To help customers stay on top of their businesses, the NS4702 switch not only provides ultra high transmission performance and
excellent layer 2 technologies, but also offers IPv4/IPv6 VLAN routing feature which allows to cross over different VLANs and
different IP addresses for the purpose of having a highly secured, flexible management and simpler networking application.
Enhanced Security
The NS4702 offers a comprehensive Layer 2 to Layer 4 Access Control List (ACL) for enforcing security to the edge. It can be
used to restrict network access by denying packets based on source and destination IP address, TCP/UDP ports or defined typical
network applications. Its protection mechanism also comprises 802.1X Port-based and MAC-based user and device authentication.
With the private VLAN function, communication between edge ports can be prevented to ensure user privacy. Furthermore, the
NS4702 provides DHCP Snooping, IP Source Guard and Dynamic ARP Inspection functions to prevent IP snooping from attack
and discard ARP packets with invalid MAC address. The network administrators can now construct highly secured corporate
networks with considerably less time and effort than before.
Robust Layer 2 Features
The NS4702 can be programmed for advanced switch management functions such as dynamic port link aggregation, Q-in-Q VLAN,
private VLAN, Multiple Spanning Tree Protocol (MSTP), Layer 2/4 QoS, bandwidth control and IGMP/MLD Snooping. The
NS4702 also provides 802.1Q Tagged VLAN, and the VLAN groups allowed will be maximally up to 256. Via aggregation of
supporting ports, the NS4702 allows the operation of a high-speed trunk combining multiple ports. It enables up to 14 groups of 8
ports for trunk maximum and supports connection fail-over as well.
Excellent Traffic Control
The NS4702 is loaded with powerful traffic management and QoS features to enhance connection services by SMBs. The QoS
features include wire-speed Layer 4 traffic classifiers and bandwidth limiting that are particular useful for multi-tenant unit, multi
business unit, Telco, or Network Service Provide applications. It also empowers the enterprises to take full advantages of the limited
network resources and guarantees the best performance in VoIP and Video conferencing transmission.
Efficient and Secure Management
The NS4702 Managed Switch is equipped with console, WEB and SNMP management interfaces. With the built-in Web-based
management interface, the NS4702 offers an easy-to-use, platform-independent management and configuration facility. The
NS4702 supports standard Simple Network Management Protocol (SNMP) and can be managed via any management software that
supports SNMP protocol. For text-based management, the NS4702 can be accessed via Telnet and the console port. Moreover, the
NS4702 offers secure remote management by supporting SSH, SSL and SNMPv3 connection which encrypt the packet content at
each session.
Flexibility and Extension Solution
The NS4702 provides 4 extra Gigabit TP/SFP combo interfaces supporting 10/100/1000Base-T RJ-45 copper to connect with
surveillance network devices such as NVR, Video Streaming Server or NAS to facilitate surveillance management. Or through these
dual-speed fiber SFP slots, it can also connect with the 100Base-FX / 1000Base-SX/LX SFP (Small Form-factor Pluggable) fiber
transceiver to backbone switch and monitoring center in long distance. The distance can be extended from 550 meters to 2
kilometers (multi-mode fiber) and up to above 10/20/30/40/50/70/120 kilometers (single-mode fiber or WDM fiber). They are well
suited for applications within the enterprise data centers and distributions.
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