High port density and powerful forwarding capacity
The switch offers high-density 100G/400G ports and a forwarding capacity as high as 6.4Tbps, which enables the switch to provide high-density server access in high-end data centers without oversubscriptions.
Flexible programmability
H3C S9850-G switch series adopt industry-leading programmable chips, which can define forwarding logic according to user requirements. Users can develop new features that meet the evolving trend of their networks through simple software updates.
Powerful visibility
With the rapid development of data center, the scale of the data center expands rapidly, reliability, operation and maintenance become the bottleneck of data center for further expansion. H3C S9850-G switch series conform to the trend of automated data operation and maintenance, and support visualization of data center. H3C S9850-G switch series can send real-time resources information, statistics, and alarm of RDMA information to the data center operation and maintenance platform through ERSPAN and GRPC protocols. This can allow the operation and maintenance center to perform real-time analysis in order to achieve network quality tracing, troubleshooting, risk warning and system optimization, etc. Visualization can even adjust network configuration automatically and reduce network congestion, which makes it possible to move to automated data center operation and maintenance.
Enhanced SDN features
H3C S9850-G switch series adopt the next-generation chip with more flexible OpenFlow Flow Table, more resources and accurate ACL matching, which greatly improves the software-defined network (SDN) capabilities and meet the demand of data center SDN network.
H3C S9850-G switch series support standard OpenFlow protocol, which can be integrated and managed by H3C or mainstream cloud platforms to support flexible network customization and automated management. Users and third-party controllers can use standard interfaces to develop and deploy a dedicated network management strategy for rapid business deployment, functional expansion, and intelligent device management.
Abundant data center features
The switch supports abundant data center features, including:
FCoE: Allows transmission of FC packets over Ethernet so that FC SAN services and LAN services can run over the same network infrastructure.
PFC, ECN, and DCBX: Helps provide FC storage and high-performance computing services with low-latency and no data loss.
VXLAN: Supports VXLAN (Virtual Extensible LAN), which provides two major benefits, higher scalability of Layer 2 segmentation and better utilization of available network paths.
DCB, RoCE, and OAM: Provides high-performance services.
Flexible choice of airflow
To cope with data center cooling aisle design, the H3C S9850-G switch series comes with flexible airflow design, which features bi-cooling aisles in the front and back. Users may also choose the direction of airflow (from front to back or vice versa) by selecting a different fan tray.
Outstanding management capacity
The switch improves system management through the following ways:
Provides multiple management interfaces, including the serial console port, USB port, one out-of-band management port.
Supports configuration and management from CLI or a mainstream network management platform and H3C IMC Intelligent Management Center.
Supports multiple access methods, including SNMPv1/v2c/v3, Telnet, SSH 2.0, SSL, and FTP.
Supports GRPC and provides a flexible programmable interface for customized development.
Supports Telemetry, allowing for real-time, high-speed, and precise data collection.
H3C S9850-G switch series support M-LAG, which enables links of multiple switches to aggregate into one to implement device-level link backup. M-LAG is applicable to servers dual-homed to a pair of access devices for node redundancy.
Streamlined topology: M-LAG simplifies the network topology and spanning tree configuration by virtualizing two physical devices into one logical device.
Independent upgrading: The DR member devices can be upgraded independently one by one to minimize the impact on traffic forwarding.
High availability: The DR system uses a keepalive link to detect multi-active collision to ensure that only one member device forwards traffic after a DR system splits.
Multiple reliability protection
The S9850-G switch series provides multiple reliability protection at both switch and link levels. With over current, overvoltage, and overheat protection, all models have a redundant pluggable power module, which enables flexible configuration of AC power modules based on actual needs. The entire switch supports fault detection and alarm for power supply and fan, allowing fan speed to change to suit different ambient temperatures.
The switch supports diverse link redundancy technologies such as H3C proprietary RRPP, VRRP, and Smart Link. These technologies ensure quick network convergence even when large amount of traffic of multiple services runs on the network.
Rich QoS features
H3C S9850-G switch series support Layer 2 to Layer 4 packet filtering, which can provide traffic classification based on source MAC address, destination MAC address, source IP address, destination IP address, TCP/UDP port number, protocol type, and VLAN.
Each 100G port provides a flexible queue scheduling algorithm, which can be set based on ports and queues at the same time.
S9850-G switch series supports five queuing modes include SP (Strict Priority), WRR (Weighted Round Robin), SP+WRR.
S9850-G switch series supports CAR (Committed Access Rate) function with a minimum granularity of 1Kbps, and port mirroring on both directions used to monitor packets on the specified port and forward the packets to the monitoring port for network detection and troubleshooting.
Comprehensive security control policies
H3C S9850-G switch series supports AAA, RADIUS and user account-based authentication, IP, MAC, VLAN, port-based user identification, dynamic and static binding; when working with the H3C iMC platform, it can conduct real time management, instant diagnosis, and crackdown on illicit network behaviors
H3C S9850-G switch series supports enhanced ACL control logic, which enables an enormous amount of in-port and out-port ACL, and delegate VLAN based ACL. This simplifies user deployment process and avoids ACL resource wastage. S9850-G switch series can also take advantage of Unicast Reverse Path Forwarding (uRPF). When the device receives a packet, it will perform the reverse check to verify the source address from which the packets are supposedly originated and will drop the packet if such path doesn't exist.
MACsec
MACsec is an ideal hop-by-hop link-layer security protocol for Ethernet networks, which are typically insecure. It provides the following services:
Data encryption: Encrypts data over the Ethernet link to protect data against security issues such as eavesdropping.
Anti-replay: Prevents packets from being intercepted and modified en route to protect the network against unauthorized access.
Tampering protection: prevents packet tampering to protect data integrity.
MACsec supports the following deployments:
Client-oriented: Protects data transmission over the link between the client and its access device.
Device-oriented mode: Protects data transmission over the link between two peering devices.
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Products and Solutions
S9850-32H-G: The switch provides 32×100GE QSFP28 ports or 16×100GE QSFP28 and 4×400G QSFP-DD, 5×fan tray slots, supports 1+1 power module redundancy. 
Technical Documents
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