Features 

 Powerful multi-service support capabilities 

 S3700 Multi-VPN-Instance CE (MCE) function support, different VPN users on the same device isolation, and effective solution to the user data security issues, while reducing the user cost of investment. 
 S3700 support 1K multicast group, I高标准 Snooping / Filter / Fast Leave / Proxy and other agreements. S3700 support wire-speed inter-VLAN multicast replication capabilities, support for bundled port multicast load balancing, support for controllable multicast, fully meet the needs of IPTV and other multicast services. 


 POE features 

 S3700 PWR whole series switches support the POE solution, the user can flexibly configure the POE port is powered on, and when the power supply. 
 S3700 PWR series switches can configure different power levels of POE power supply to support PoE (Power Over Ethernet) function linked to PD devices (such as IP phone, WLAN, AP, Security, and the Bluetooth AP) through the network cable to the remote-48V DC power, and remote power supply linked to PD devices. As the supply side PSE (Power Sourcing Equipment) device, it supports the IEEE802.3af and 802.3at (POE +) power supply standard, is compatible with both in line with standard 802.3af and 802.3at PD (Powered Device) equipment. The 802.3at single-port power supply power up to 30W. POE + enhancements maximum power of the single-port, support for high power applications at standard intelligent power management to effectively facilitate the customer's application. Support green PoE applications where power mode. 


 QoS policies and security mechanisms 

 S3700 based on the five-tuple, IP precedence and TOS, DSCP, IP protocol type, ICMP type, TCP source port, VLANs, Ethernet frame protocol type, CoS and other information, the complex flow classification features. S3700 to support stream-based, three-color, two-speed rate-limiting function, each port supports eight priority queues, WRR, DRR, SP, WRR + SP, DRR + SP multi-queue scheduling algorithm to guarantee voice, video and data network quality of service. 
 The S3700 series switches provide a variety of security features. DoS (Denial of Service), anti-attack, anti-attack of the network, the user's anti-attack function. Dos class of anti-attack including SYN Flood, Land, Smurf, ICMP Flood. The anti-attack of the network mainly refers to the STP bpdu / root attacks. The user's anti-attack involving DHCP phishing attacks, man-in-the-middle attacks, IP / MAC Spoofing attack, the DHCP request flood, DoS attacks change CHADDR value. 
 Support the establishment and maintenance of the DHCP Snooping binding table, the listener access to the user, MAC / IP address, the lease period, the VLAN-ID, the interface information, and solve the DHCP client's IP and port tracking and positioning problems. At the same time, does not meet the binding table entry of illegal packets (ARP spoofing packets without authorization to modify the IP address) directly discarded, effectively prevent hackers or attackers to implement campus networks using ARP packets "man-in-the-middle" attack. DHCP Snooping trust port features also ensure the legitimacy of the DHCP Server. 
 The S3700 supports ARP table entries strictly learning function can prevent ARP spoofing attacks, ARP entries filled, resulting in normal users can not be online. IP Source Check features to prevent DOS attacks including MAC spoofing, IP spoofing, including illegal address in the MAC / IP spoofing phishing bring. 
 S3700 support centralized MAC address authentication and 802.1x authentication and NAC capabilities, support for user accounts, IP, and MAC, VLANs, ports, the client is installed on the user ID element of dynamic or static binding of virus prevention, and user policy (VLAN Author, QoS, ACL) dynamically issued. 
 The S3700 supports limiting based on port, source MAC address learning to effectively prevent the impact of user source MAC spoofing device MAC table, resulting in normal users can not learn the MAC table flooding. 


 Rich routing features and IPv6 features 

 The S3700 series switches support static routing, RIPv1, RIPv2, OSFP, BGP, multiple routing protocols. 
 S3700 series switch hardware support IPv4/IPv6 dual-stack and IPv6 over IPv4 tunnels (including the manual the Tunnel 6to4 the Tunnel, ISATAP Tunnel), three-wire-speed forwarding. Both can be used for pure IPv4 or IPv6 network can also be used for IPv4 to IPv6 coexistence network, flexible networking, and fully meet the current network from IPv4 to IPv6 transition needs. 
 The S3700 series switches support IPv6 routing protocols, including of RIPng, OSPFv3. Support IPv6 Neighbor Discovery Protocol (Neighbor Discovery Protocol, NDP), to manage the interaction of the neighbor. PMTU discovery mechanism (Path MTU Discovery), you can find an appropriate MTU value on the path from source to destination, in order to effectively use the network resources and get the best throughput. 


 Good scalability and high reliability protection mechanisms 

 The S3700 series switches support intelligent stacking iStack features full plug and play. The backup switch to reduce the main switch failure caused by business interruption. Support smart upgrade, remove to a stack of trouble for new entrants to switch to replace the software version. Stacking technology allows the switch to use of the Internet cable to achieve the expansion of multiple devices, a single IP management, and greatly reduce the cost of system expansion and operation and maintenance. Compared with the traditional networking technology, performance, scalability, reliability, and overall structure of a strong advantage. 
 The S3700 is not only support the traditional STP / RSTP / MSTP, Spanning Tree Protocol support RRPP for the ring network Enhanced Ethernet reliability, link protection switching in milliseconds, to ensure high reliability of the network quality . In addition, multi-instance feature for RRPP link load sharing, to further improve the utilization of link bandwidth. 
 S3700 to support the rapid detection of the BFD link detection mechanism that can provide millisecond for protocols such as OSPF, VRRP, and improve network reliability. The S3700 follows the IEEE 802.3ah and 802.1ag provide point-to-point Ethernet fault management functions can be used to detect the user side of the last mile Ethernet direct link failure. 
 S3700 reliability design has strong scalability and compatibility, and the existing network to existing device hybrid network, both to protect user investment and provide a strong guarantee for the introduction of new business. 


 Attentive maintenance-free and manageability features 

 The S3700 has a unique maintenance-free design, support equipment, automated batch remote upgrade. The S3700 supports a variety of maintenance and management mode, monitor status data. In addition, support H高标准v2, SNMP, NTP, SSH V2.0, HWTACACS +, RMON, port-based traffic statistics, the NQA network quality analysis. 
 The S3700 supports GVRP dynamically assigns, registration and propagates VLAN attributes, and thus to decrease the amount of manual configuration of the network administrator and to ensure correct VLAN configuration purposes. GVRP dynamic configuration of a VLAN-GVRP, applied in a complex networking environment to simplify VLAN configuration management, and reduce network interoperability issues caused by configuration inconsistencies. 
 S3700 support MUX VLAN function. The MUX VLAN to isolate Layer 2 traffic between a VLAN port mechanism. A two-tier VLAN isolation techniques, only the upper VLAN global visible, the lower VLAN isolated from each other. MUX VLAN is usually used for enterprise intranet, client port can communicate with the server port, but can not communicate between the client port. Used to prevent connection to a certain interface or interface group between the network devices communicate with each other, but allows the default gateway to communicate. 


 Originality of fanless and silent energy efficient design 

 S3700 24-port device with fanless design, dramatically reducing the power consumption of devices, equipment operation noise, reducing the mechanical point of failure, while eliminating the condensation corrosion and dust against. 
 S3700 a new generation of highly integrated chip energy-saving circuit design, heat balance, support the idle port dormancy, the full saving of power consumption. 
 S3700 radiation to household appliances standard, no harm to the human body, more environmentally friendly energy. 
 Networking Application 

 Large-scale enterprise network applications 

 The S3700 series switches can be used as a large corporate network access equipment 








 Small and medium-sized enterprise network applications 

 SMEs can use the S3700 as a core switch, the routing functionality of the S3700 departments and users of the cross-segment visits. Multiple stacking technology to achieve the synchronization of equipment performance and port expansion.