H3C S12500G-AF Intelligent Fusion Core Switch
H3C S12500G-AF is a new generation of AI intelligent switch launched by H3C Technology Co., Ltd. (hereinafter referred to as H3C) for data centers and large smart park scenarios. It provides industry-leading switching performance and rich network features, as well as stronger AI computing capabilities. Through the built-in high-performance GPU, it achieves floating-point computing capabilities of over 100T. At the same time, S125G-AF is also the first network specific AI algorithm switch launched by H3C in collaboration with top domestic research institutions, which can accurately model network traffic, analyze unknown traffic, and perform secure intelligent detection; The CLOS+orthogonal hardware architecture used in hardware design achieves rate fusion between network nodes and computing nodes, providing a 100% lossless data channel for network and AI computing.
The S12500G-AF product includes three models: S12504G-AF, S12508G-AF, and S12516G-AF, which can adapt to the port density and performance requirements of different network scales. It can be used as the core switch of data center networks or large smart park networks, supporting INT visualization technology and Prophet networks, and is the best choice for user core network bearer.
Product Features
Advanced CLOS+Multi level Multi plane Switching Architecture
The S12500G-AF series frame switch adopts an advanced CLOS+multi-level multi plane switching architecture, with an orthogonal no middle board design. The business card and the switching network board adopt a completely orthogonal design (90 degrees), and cross line card business traffic is directly connected to the switching network board through orthogonal connectors. The backplane routing is reduced to zero (greatly avoiding signal attenuation), greatly improving the system bandwidth and evolution capability, and the overall capacity can be smoothly expanded. Supports cell switching, has dynamic routing capability, and evenly distributes traffic to multiple switching networks, ensuring that the switching matrix is unobstructed while improving the utilization efficiency of the switching network.
Supports high-density 10GE, 25GE, 40GE, 100GE, 200GE, and 400GE Ethernet ports, supporting 100G splitting of 4 * 10G, 100G splitting of 4 * 10/25G, and 400GE splitting of 2 * 200G/4 * 100G, fully meeting the needs of future application development.
Forwarding and control are separated, and the switching network supports 5+1 or 4+2 redundancy;
AI Inside drives intelligent networks
The S12500G-AF series switches support Seerblade high-performance AI computing modules, providing users with an intelligent computing platform that is deeply integrated with the network and has high-performance CPUs, GPUs, and large storage capacity, meeting the lightweight deployment of AI+big data applications for small and medium-sized enterprise users.
With the powerful computing power brought by high-performance GPUs and high-speed network connections, it can achieve a floating point computing capability of 123 TFlops, which is millions of times higher than traditional processors
The network specific intelligent algorithm jointly launched by top domestic units of the United Nations enhances the level of network intelligent management and performance standards
Comprehensive IPv6 solution
The S12500G-AF series fully supports the IPv6 protocol family, including IPv6 static routing, RIPng, OSPFv3, IS-ISv6, BGP4+and other IPv6 routing protocols. It also supports dynamic routing redistribution and a variety of IPv4 to IPv6 transition technologies, including IPv6 manual tunneling, 6to4 tunneling, ISATAP tunneling, GRE tunneling, IPv4 compatible auto configuration tunneling, etc., to ensure a smooth transition from IPv4 to IPv6.
Comprehensive virtualization capability
IRF2 (Intelligent Resilient Framework 2, second-generation intelligent resilient architecture)
The S12500G-AF series switches support IRF2 technology, virtualizing up to 4 high-end devices into one logical device, providing strong advantages in reliability, distribution, and ease of management;
Reliability: Through hot backup technology, redundant backup and uninterrupted data forwarding of all information in the control plane and data plane are achieved throughout the entire virtual architecture, greatly enhancing the reliability and high performance of the virtual architecture, while eliminating single points of failure and avoiding business interruption;
Distributed: By using cross device link aggregation technology, multiple uplink links can share the load and backup each other, thereby improving the redundancy of the entire network architecture and the utilization of link resources;
• Manageability: The entire elastic architecture shares one IP management, simplifying network device management, simplifying network topology management, improving operational efficiency, and reducing maintenance costs. Support cluster or stack, support out of band management mode
MDC (Multi tenant Device Context)
The S12500G-AF series switches can achieve 1: N virtualization capability through MDC technology, which means that one physical switch can be virtualized into N logical switches, which can be virtualized into 16 logical switches, meeting the needs of multiple customers sharing core switches; By dividing the ports of a single board into different MDCs, the capabilities of the core switch can be fully utilized while reducing the investment cost for users. MDC technology is used to achieve secure isolation of business.
Application requirements for cloud computing data centers
The S12500G-AF series switches support VXLAN (Virtual eXtensible LAN) technology, which is a layer 2 VPN technology based on IP networks and encapsulated in the form of "MAC in UDP". VXLAN can provide layer 2 interconnection for dispersed physical sites based on existing service providers or enterprise IP networks, and can provide business isolation for different tenants.
The S12500G-AF series switch supports EVPN (Ethernet Virtual Private Network), which is a layer 2 VPN technology. The control plane uses MP-BGP to announce EVPN routing information, and the data plane supports forwarding messages using VXLAN encapsulation.
The S12500G-AF series switches support Layer 2 interconnect technology and can achieve Layer 2 interoperability through EVPN+VXLAN, enabling interconnection between multiple sites across data centers.
The S12500G-AF series switches support FCoE (FC over Ethernet) technology; FCoE technology is mainly used to solve the problem of heterogeneous LAN networks and FC storage networks in cloud computing data centers. Through the deployment of FCoE and CEE technologies, the integration of front-end and back-end network architectures in data centers can be achieved, solving the technical problem of data, computing, and storage network fragmentation, thereby greatly reducing the procurement and expansion costs of data centers
The S12500G-AF series switches support large capacity ARP/ND, MAC, ACL entries, which can adapt to the flat networking needs of large data center networks.
Application requirements for large-scale smart parks
The S12500G-AF series switches adhere to H3C's open architecture design concept - Open Application Architecture (OAA), redefining the simple function of forwarding packets from L2 to L3 in traditional campus network core switches as a multi service carrier platform that integrates deep service awareness from L2 to L7, wired and wireless integration, IPv4/IPv6 integration, network traffic analysis and control, and other multiple services.
The S12500G-AF series switches support VxLAN/EVPN functionality, which can solve flexible cross regional interoperability between multiple regions and organizations in large-scale parks through Layer 2 technology, and combine SDN technology to achieve advanced concepts such as automated deployment and intelligent operation and maintenance of large-scale park networks.
The S12500G-AF series switch supports multi service line cards based on standard open architecture, and can deploy various operation and maintenance software such as SDN controller software, ITOA data analysis system, and network intelligent visualization operation and maintenance system to solve the complex and diverse network operation and maintenance needs of ultra large scale parks.
Innovative Multi Engine Control Design
Adopting innovative hardware design, the system provides powerful control capability and 50ms high reliability guarantee through independent control engine, detection engine, and maintenance engine.
Distributed control engine, all business boards provide powerful control processing systems that easily handle various protocol and control messages, and support fine control of protocol messages, providing the system with comprehensive resistance to protocol message attacks;
Distributed detection engine, all business boards can quickly detect faults such as BFD and OAM in a distributed manner, and are linked with control plane protocols to support fast protection switching and convergence. It can achieve millisecond level fault detection and ensure uninterrupted business operations;
Distributed maintenance engine, intelligent CPU system supports intelligent power management, and can support sequential power on and off of single boards (reducing power impact caused by simultaneous power on of single boards, improving equipment life, reducing electromagnetic radiation, and reducing system power consumption), as well as online status check of equipment.
Data center level reliability assurance
The S12500G-AF series switch provides a dedicated FFDR system for fast fault detection such as BFD and OAM, and is linked with control plane protocols to support fast protection switching and convergence.
Support BFD for VRRP/BGP/IS-IS/RIP/OSPF/RSVP/LDP/RIP/static routing, etc; Supports VLAN (4096).
• Supports NSR/GR for OSFP/BGP/IS-IS/RSVP, etc.
Supports lossless data plane self healing (DPSH) capability and microsecond level switching of data traffic, fully meeting the high-performance needs of data centers for devices.
The control engine and switch network board hardware are independent of each other, achieving physical separation between the control plane and the forwarding plane. The control engine has 1+1 redundancy, and the main and backup boards support remote control to actively switch between main and backup modes; Switching network board N+M redundancy, the switching board supports hot plugging, and traffic forwarding does not lose packets when plugging or unplugging a single board or switching controllers; Fan frame redundancy; The power supply supports dual input, N+1 or N+N backup, and comes with a built-in cooling system; Greatly improve the fault isolation capability and reliability of the system.
The overall architecture design of S12500G-AF, which adopts data center level reliability, will bring a higher level of stable operation experience to the network.
Highly available M-LAG architecture
The S12500G-AF series switch supports M-LAG (Multicasting Link Aggregation Group) cross device link aggregation technology (formerly DRNI technology), which virtualizes two physical devices into one device at the forwarding level to achieve cross device link aggregation, maintain control layer independence, achieve dual active access of devices, provide device level redundancy protection and traffic load sharing, and improve system reliability.
Multi level security protection
The multi-level protection and security of the control plane, the control plane policy feature of S12500G-AF manages the flow of messages from the data plane (DP) to the control plane (CP) by configuring QoS filtering and speed limits, protecting the S12500G-AF switch from identifying and protecting important messages in the event of DoS attacks, discarding illegal messages, and ensuring that the control plane maintains normal forwarding and protocol status in the event of attacks or high traffic.
• Support massive ACL rules and meet full line speed forwarding requirements; Fine security access control can be applied to various L2/IPv4/IPv6/MPLS packets and their field combinations.
• Supports a variety of link level reliability technologies, including protection protocols such as LACP/STP/RSTP/MSTP/Smart Link/RRPP fast ring network protection mechanism, with 64 MSTP instances. Link failures can support device generated tree re calculation.
Support collecting data through Netstream, reporting it to the security analysis system, displaying network security threat event information and the security situation of the entire network, coordinating strategies, and ensuring network security
Comprehensive maintenance and testing mechanism
Online status detection mechanism, supported by a dedicated maintenance engine and 1+1 hot standby, can detect the switching network board, backplane communication channel, business communication channel, key chips, storage, etc. of the device. Once the relevant module malfunctions, report it to the system through EMS.
Single board isolation function can isolate a specified board from the forwarding plane and no longer participate in forwarding on the forwarding plane, but the isolated board is still in the control plane and can be managed. Real time diagnosis, CPLD upgrade and other business processing can be performed on this single board without affecting the overall system business.
Supports Ethernet OAM and provides multiple device level and network level fault detection methods.
New generation of integrated wired and wireless solutions
The S12500G-AF series switch supports a new generation of integrated wired and wireless solutions. The switch natively supports integrated AC functionality and can directly manage wireless APs. Compared to a single wireless AC card insertion solution, it has the advantage of more flexible and simple deployment, making wired and wireless integrated solutions more flexible and convenient.
Integrating AC as a native feature of the switch, while supporting the combination of virtualization technologies such as IRF2/IRF3.1, enables one device to manage wired and wireless devices across the entire network, greatly simplifying network operation and maintenance complexity.
Green and environmentally friendly design
The S12500G-AF series switch can support intelligent management of power supply through an intelligent EMS engine system. It can support sequential power on of single boards (reducing power shock caused by simultaneous power on of single boards, improving equipment life, and reducing electromagnetic radiation), control single board power off, isolate faulty/idle single boards, and reduce system power consumption.
The S12500G-AF series switch adopts an efficient PWM speed regulating fan and supports stepless speed regulation. The system can automatically collect the temperature of the single board, calculate the fan speed control curve based on the actual situation of the device, and issue the speed control command to the fan frame. The system supports fan status monitoring (speed monitoring, fault alarm, etc.), which can automatically partition and adjust speed according to environmental temperature and single board configuration, reducing device power consumption and operating noise, effectively reducing environmental noise and extending fan life.
The S12500G-AF series switch supports automatic detection of internal ports. When a slot is not configured with an interface board or a port is not connected to a cable, the system can automatically close the corresponding internal port, saving overall power consumption.
Excellent management skills
The S12500G-AF series switches support a variety of management interfaces, such as Console port, external network port, iMC intelligent management center, and can support SNMP v1/v2 c/v3 (Simple Network Management Protocol) to collect device software and hardware information CPU、 Memory, traffic CRC and other data, supporting CLI command line, web network management, TELNET， Make device management more convenient and support encryption methods such as SSH 2.0, making management more secure.