S7700 Series Smart Routing Switches - Huawei Products
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S7700 Series Smart Routing Switches

Multiservice routing and switching capabilities provide flexibility for use at the access, aggregation, or core network layer. Scalable for large campus environments; migration to an "all 10 GE" core network.

Bandwidth optimized for cutting-edge services - specialized multilayer traffic analysis, scheduling, queuing, and congestion controls allow you to manage Quality-of-Service (QoS) metrics according to types of services and devices. Easy expansion as needs change - modular design and built-in management tools allow rapid scalability as bandwidth requirements increase for wired and wireless applications. Support up to 480 x 10 GE ports per switch; forwarding rates up to 3,360 Mpps; maximum switching capacity up to 5.12 Tbit/s in the future. Solid reliability - redundant components, fault detection and recovery features, energy-efficient design and cooling combine to provide carrier-grade reliability (>99.999%).

S7700 Series Switches provide highly-reliable and extensible L2/L3 switching and routing for large-scale campus networks supporting high-bandwidth applications; fully compatible with Huawei's Versatile Routing Platform software (VRP5).An S7700 running the V2R5C00 system software can be upgraded to an agile switch by using an X1E card, which is equipped with the first Ethernet Network Processor (ENP) of Huawei. Customers can enjoy the benefits brought by the agile switch.


  • S7700-02-Front_looking-down
  • S7700-08-Rear_looking-down

The S7700 is a smart switch – providing highly-reliable and extensible L2/L3 switching and routing for enterprise campus networks supporting high-bandwidth applications. High-density, easily expandable 10 Gbit/s access ports and 40 GE (to 100 GE) inter-chassis CSS clustering make the S7700 a versatile component for both small and large-scale networks.

Typical Deployment Scenarios

Fault-tolerant Aggregation Layer Switches in a Large-scale Campus Network

Core Switches and Routers in a Small to Medium-sized Campus Network

Highlights – Features and Benefits

Advanced, high-performance electronics with comprehensive scalability and management features offer cutting-edge advantages for enterprise campus networks and next-generation data centers.

Agile Switch, Enabling Networks to Be More Agile for Services

  • The S7700 series’ native ACs allow enterprises to build a wireless network without additional AC hardware. S7700 switch can manage up to 1K APs and 16K users. It is the core switch that provides T-bit AC capabilities, avoiding the performance bottleneck on independent AC devices. The native T-bit AC capabilities help organizations better cope with challenges in the high-speed wireless era.
  • The S7700 series' unified user management function authenticates both wired and wireless users, ensuring a consistent user experience no matter whether they are connected to the network through wired or wireless access devices. The unified user management function supports various authentication methods, including 802.1x, MAC address, and Portal authentication, and is capable of managing users based on user groups, domains, and time ranges. These functions control user and service management and enable the transformation from device-centered management to user-centered management.
  • Super Virtual Fabric (SVF) technology can not only virtualize fixed-configuration switches into S7700 switch line cards but also virtualize APs as switch ports. With this virtualization technology, a physical network with core/aggregation switches, access switches, and APs can be virtualized into a "super switch", offering the simplest network management solution.
  • Packet Conservation Algorithm for Internet (iPCA) changes the traditional method that uses simulated traffic for fault location. iPCA technology monitors network quality for any service flow at any network node, at any time, and without extra costs. It can detect temporary service interruptions within one second and can identify faulty ports accurately. This cutting-edge fault detection technology turns "extensive management" into "fine granular management."
  • The Service Chain feature virtualizes the value-added service processing capabilities, such as firewall, so that campus networks can utilize these capabilities in an undifferentiated manner. That is, these capabilities can be used without location constraint.

Powerful service processing capabilities

  • Huawei's advanced switching architecture permits rapid bandwidth expansion. The highly expansible backplane enables ports to be upgraded to a rate of 40 Gbit/s, and is compatible with the currently used cards, helping enterprises maximize their ROI.
  • The S7700 provides high-density 10GE ports, Each S7712 chassis can provide a maximum of 480 x 10GE ports, meeting the requirements of bandwidth-consuming applications, such as multimedia conferencing and data access.
  • The S7700's multi-service routing and switching platform meets requirements for service bearing at the access layer, aggregation layer, and core layer of enterprise networks. The S7700 provides wireless access along with voice, video, and data services, helping enterprises build integrated full-service networks with high availability and low latency.
  • The S7700 supports distributed Layer 2/Layer 3 MPLS VPN functions, including MPLS, VPLS, HVPLS, and VLL, implementing VPN access for enterprise users.
  • The S7700 supports various Layer 2 and Layer 3 multicast protocols such as PIM SM, PIM DM, PIM SSM, MLD, and IGMP snooping. It can provide enterprises with multi-terminal high definition video surveillance and video conferencing services.

Carrier-class reliability and visual fault diagnosis

  • Huawei's high reliability design ensures that the S7700 is 99.999% reliable. The S7700's rack structure uses a passive backplane design. The S7700 provides redundant backup for key components, including MPUs, power supply units, and fans, all of which are hot swappable.
  • The S7700 innovatively implements the CSS function through switch fabrics, and packets are only switched once when they are forwarded between chassis. This addresses the problem of low switching efficiency caused by multiple switching processes during inter-chassis forwarding in clusters established using line cards. In addition, inter-chassis link aggregation can be used to improve link use efficiency and prevent single-point failures.
  • The S7700 can use service ports as cluster ports, so that cluster members can be connected through optical fibers. This substantially expands the clustering distance.
  • The S7700 has a dedicated fault detection subcard that provides hardware-based OAM function conforming to IEEE 802.3ah, 802.1ag, and ITU-Y.1731. The S7700 can also work with an NMS. The NMS provides a graphical fault diagnosis interface and traverses all network elements and links automatically to help users detect and locate faults quickly.
  • The S7700 implements seamless switchover between the master and slave MPUs and supports graceful restart to ensure nonstop forwarding.

Enhanced QoS mechanism, improving the voice and video experience

  • The S7700's H-QoS control mechanisms classify traffic based on information from the link layer to the application layer. With advanced queue scheduling and congestion control algorithms, the S7700 performs accurate multi-level scheduling for data flows, satisfying enterprises' QoS requirements for a variety of services and user terminals.
  • The S7700 supports hardware-based low delay queues for multicast packets so that the video service can be processed with high priority and low delay. This feature guarantees the high quality of key services in an enterprise, such as video conference and surveillance.
  • The S7700 uses innovative priority scheduling algorithms to optimize the QoS queue scheduling mechanism for voice and video services. The improved scheduling mechanism shortens the delay of the VoIP service and eliminates the pixelation effect in the video service, improving user experience.

High-performance IPv6 service processing, resulting in a smooth transition from IPv4 to IPv6

  • Both the hardware platform and software platform of the S7700 support IPv6. The S7700 has earned the IPv6 Ready Phase 2 (Gold) designation.
  • The S7700 supports IPv4/IPv6 dual stack, various tunneling technologies, IPv6 static routing, RIPng, OSPFv3, BGP+, IS-ISv6, and IPv6 multicast. These features meet the demand for IPv6 networking and combined IPv4 and IPv6 networking.

Superb traffic analysis capability, resulting in real-time network performance monitoring

  • The S7700 supports NetStream for the real-time collection and analysis of network traffic statistics.
  • The S7700 supports the V5, V8, and V9 Netstream formats and provides aggregation traffic templates to reduce the burden on the network collector system. In addition, the S7700 supports real-time traffic collection, dynamic report generation, traffic attribute analysis, and traffic exception trap.
  • NetStream monitors network traffic in real time and analyzes the device's throughput, providing data for network structure optimization and capacity expansion.

Comprehensive security mechanisms, protecting enterprises from internal and external security threats

  • NGFW is a next-generation firewall card that can be installed on an S7700. In addition to the traditional defense functions such as firewall, identity authentication, and Anti-DDoS, the NGFW supports IPS, antispam, web security, and application control functions.
  • The S7700 provides comprehensive NAC solutions for enterprise networks. It supports MA C address authentication, Portal authentication, 802.1x authentication, and DHCP snooping-triggered authentication. These authentication methods ensure the security of various access modes, such as dumb terminal access, mobile access, and centralized IP address allocation.
  • Additionally, the S7700 defends against DoS attacks, prevents unauthorized access, and prevents control plane overloading.

Innovative energy-saving chips, allowing for intelligent power consumption control

  • The S7700 uses innovative energy-saving chips, which can dynamically adjust power on all ports based on traffic volume. An idle port enters a sleep mode to reduce power consumption.
  • The S7700 supports Power over Ethernet (PoE) and uses different energy management modes according to the powered device (PD) type, ensuring flexible energy management.
  • The S7700 supports IEEE 802.3az Energy Efficient Ethernet and provides the low power idle mode for the PHY line card. If the link utilization is low, the S7700 switches to a lower speed or power PHY to reduce power consumption.

Item S7703 S7706 S7712
Switching capacity 1.92 Tbps 3.84 Tbps/5.12 Tbps 3.84Tbps/5.12 Tbps
Forwarding performance 576 Mpps/1440 Mpps 1152 Mpps/2880 Mpps 1344 Mpps/3360 Mpps
Service Slot 3 6 12
Wireless network management Native AC
AP access control, AP region management, and AP profile management
Radio profile management, uniform static configuration, and centralized dynamic management
Basic WLAN services, QoS, security, and user management
Deployment of ACs on different network layers
User management Unified user management
802.1x, MAC address, and Portal authentication
Traffic- and time-based accounting
User authorization based on user groups, domains, and time ranges
VLAN Three types of interfaces: access, trunk, and hybrid
Default VLAN
VLAN switching
QinQ and selective QinQ
MAC address-based VLAN assignment
MAC address MAC address learning and aging
Static, dynamic, and blackhole MAC address entries
Packet filtering based on source MAC addresses
Limit on the number of MAC addresses learned on ports and VLANs
Ring Protection STP(IEEE 802.1d), RSTP(IEEE 802.1w), and MSTP(IEEE 802.1s)
BPDU protection, root protection, and loop protection
BPDU tunnel
IP routing IPv4 routing protocols, such as RIPv1/v2, OSPF, BGP, and IS-IS
IPv6 dynamic routing protocols, such as RIPng, OSPFv3, ISISv6, and BGP4+
Multicast IGMPv1/v2/v3 and IGMP v1/v2/v3 snooping
Fast leave
Multicast traffic control
Multicast querier
Multicast packet suppression
Multicast CAC
Multicast ACL
MPLS Basic MPLS functions
Reliability LACP and E-Trunk between devices
BFD for BGP/IS-IS/OSPF/static route
Ethernet OAM (IEEE 802.3ah and 802.1ag)
QoS Traffic classification based on Layer 2 protocol packet header, Layer 3 protocol information, Layer 4 protocol information, and 802.1p priority
ACL, CAR, re-mark, and scheduling
Queue scheduling algorithms including PQ, WRR, DRR, PQ+WRR, and PQ+DRR
Congestion avoidance mechanisms, such as WRED and tail drop
Traffic shaping
Configuration and maintenance Easy Operation
Console and SSH terminals
Network management protocols, such as SNMPv1/v2/v3
File uploading and downloading using FTP and TFTP
BootROM upgrade and remote upgrade
Hot patches
User operation logs
Security and management 802.1x authentication and portal authentication
RADIUS and HWTACACS authentication
Different user levels for commands, preventing unauthorized users from using certain commands
Defense against DoS attacks, TCP SYN Flood attacks, UDP Flood attacks, broadcast storms, and heavy traffic attacks
Ping and traceroute
Service Chain
Value-added service* Firewall
Load balancing
Interoperability Supports VBST (Compatible with PVST/PVST+/RPVST)
Supports LNP (Similar to DTP)
Supports VCMP (Similar to VTP)
Energy conservation IEEE 802.3az: Energy Efficient Ethernet (EEE)
Dimensions (W x D x H) 442 mm x 476 mm x 175 mm 442 mm x 476 mm x 442 mm 442 mm x 476 mm x 664 mm
Chassis weight (empty) < 15 kg <30 kg < 45 kg
Working voltage DC: –38.4 V to –72 V AC: 90 V to 290 V
Maximum power consumption of the entire equipment ≤800 W ≤1600 W ≤3000 W
Maximum PoE power 2200 W 8800 W 8800 W

*: The S7700 can be equipped with the NGFW and IPS cards. For more specification information, see the brochures of the cards.

  • The product information may contain the product functions provided in future. For the actual product specifications, contact Huawei local sales office.

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