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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 to 3,360 Mpps; maximum switching capacity to 5.12 Tbit/s.
  • 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.

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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

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

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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. Each S7700 switch can manage 1K APs and 16K users. It is a 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.”

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 or 100 Gbit/s, and is compatible with currently used cards, helping enterprises maximize their Return on Investment (ROI).
Each S7700 supports 480 x 10 GE ports. The high-density 10 GE ports bring enterprise campus networks and data centers into the era of the all-10 GE core network.
The S7700’s multi-service routing and switching platform meets requirements for service transmission at the access, aggregation, and core layers of enterprise networks. Wireless access, along with voice, video, and data services, helps enterprises build integrated full-service networks with high availability and low latency.
Distributed Layer 2/Layer 3 Multiprotocol Label Switching (MPLS) VPN functions, including MPLS, Virtual Private LAN Service (VPLS), Hierarchical VPLS (HVPLS), and VLL, implement 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 conferencing services.

Carrier-grade reliability and visual fault diagnostics

Huawei’s design ensures uptime performance of 99.999%. The S7700’s rack structure uses a passive backplane design. The S7700 provides redundant backup for key components, including Main Processing Units (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. Clustering provides the industry’s highest cluster bandwidth of 256 Gbit/s. Inter-chassis link aggregation can be used to improve link use efficiency and prevent single-point failures.
Service ports can be used as cluster ports, allowing connection of cluster members through optical fibers, substantially expanding the clustering distance.
The S7700 has a dedicated fault detection module that provides hardware-based Operation, Administration, and Maintenance (OAM) function, conforming to IEEE 802.3ah, 802.1ag, and ITU-Y.1731. Hardware-based OAM implements 3.3 ms fault detection and can check session connectivity of all terminals in real time when a network fault occurs. The S7700 can also work with a Network Management System (NMS), which provides a graphical fault diagnosis interface and traverses all network elements and links automatically to help users quickly detect and locate faults.
The S7700 implements seamless switchover between the master and slave MPUs and supports graceful restart to ensure nonstop forwarding. The In-Service Software Upgrade (ISSU) function prevents interruption of key services during software upgrades.

Enhanced QoS mechanism for responsive voice and video applications

The S7700’s Quality of Service (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 enterprise QoS requirements for a variety of services and user terminals.
The S7700 supports hardware-based low delay queues for multicast packets, ensuring that the video service can be processed with high priority and low delay. This feature guarantees the high quality of key enterprise services, such as video conferencing and surveillance.
Innovative priority scheduling algorithms optimize the QoS queue scheduling mechanism for voice and video services. This improved scheduling mechanism shortens VoIP service delays and eliminates video pixilation, improving user experience.
High-performance IPv6 service processing for smooth IPv4 to IPv6 transitions

S7700 Switches support 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 for real-time network performance monitoring

NetStream provides 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 for protection from internal and external 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, anti-spam, web security, and application control functions.
The S7700 provides comprehensive Network Access Control (NAC) solutions for enterprise networks. It supports MAC address authentication, portal authentication, 802.1x authentication, and Dynamic Host Configuration Protocol (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.
The S7700 is the industry leader in integrated security solutions, supporting 1,000 CPU queues and using a two-level CPU protection mechanism, separating the data plane from the control plane. Additionally, the S7700 defends against Denial of Service (DoS) attacks and prevents unauthorized access and control plane overloading.

Innovative energy-saving chips for intelligent power management

Innovative energy-saving chips can dynamically adjust power on all ports, based on traffic volume. Idle ports enter sleep mode to reduce power consumption.
Power over Ethernet (PoE) and different energy management modes, according to the Powered Device (PD) type, ensure flexible energy management.
The S7700 supports IEEE 802.3az Energy Efficient Ethernet and provides low power idle mode for the PHY line card. If link utilization is low, the S7700 switches to a lower speed or power PHY to reduce power consumption.