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RG-S6920-4C – Next-Generation Data Center 100GE Switch with 100GE/400GE Line Cards

Compared with the traditional networking with modular core switches, the entire network with RG-S6920-4C switches uses the Clos architecture, reducing the TCO by 25% and power consumption by 31%. Furthermore, RG-S6920-4C switches help build stable and lossless networks.



Highlight Features

  • Diverse ports, four service slots, up to 128 x 100GE QSFP28 ports or 64 x 100GE QSFP28 and 16 x 400GE QSFP-DD ports

  • Hardware-level redundancy, ensuring service continuity

  • Lossless Ethernet, ensuring zero packet loss during RDMA E2E communication

  • Telemetry-based network monitoring and automated O&M, making management simple and efficient

  • Highly-efficient heat dissipation and energy saving, with power consumption less than 1950 W and power conversion efficiency up to 94%

Key Specification

Data Center 100GE Core Switch RG-S6920-4C

Four service slots, with 100GE and 400GE line cards, allowing for easy expansion and satisfying future bandwidth expansion needs
Various ports, up to 128 x 100GE ports or 64 x 100GE ports and 16 x 400GE ports, which are fit for different scenarios of data center networks

Hardware-level Redundancy, Ensuring Service Continuity

Hot-Swappable Redundant Power Modules

Hot-Swappable Redundant Fan Modules

Power modules in 2+2 redundancy mode, failover in seconds, and power module replacement without
network interruption, providing double protection for links

Lossless Ethernet with RDMA E2E Communication
and Zero Packet Loss

With RDMA technology, data does not need to be handled by the CPU during device communication. This reduces the CPU burden
and effectively solves the network latency problem.
PFC+ECN, intelligent data exchange, and packet loss prevention, ensuring lossless data transmission

Telemetry-based Network Monitoring and Automated O&M,
Making Management Simple and Efficient

The switch enabled with telemetry provides clear data status and hierarchy.
The switch uses the push mode to proactively collect and push information and to provide sub-second-level network monitoring in real time,
making network management more efficient and accurate.


Tips: Product information and performance will be affected by upgrade iteration, specific environment and other factors, so FAQ content is for reference only. For further information, please contact online support.



Hardware Specifications

System Specifications



100GE/400GE ports

Expansion Modules

Four expansion modules, with each module supporting 32 × 100GE ports

Expansion Slots

Four power supply module slots

Six fan module slots

Management Port

One management port, one console port, and one USB port, compliant with the USB2.0 standard

Switching Capacity

25.6 Tbps

Packet Forwarding Rate

8000 Mpps

802.1Q VLAN


Dimensions and Weight


(W × D × H)

442 mm × 173.5 mm × 735 mm, 4 RU


About 43.5 kg (including all line cards, power supply modules, and fans)

Power Supply and Consumption


Maximum Power Consumption

1950 W


Rated voltage range: 100 VAC to 240 VAC, 50 Hz to 60 Hz

Maximum voltage range: 90 VAC to 264 VAC, 50 Hz to 60 Hz

High-voltage DC

Input voltage range: 192 VDC to 288 VDC

Environment and Reliability


Operating Temperature

0°C to 40°C

Operating Humidity

10% to 90% RH (Non-condensing)


Software Specifications

Software Specifications


L2 Protocols

IEEE802.3ad (Link Aggregation Control Protocol), IEEE802.1p, IEEE802.1Q, IEEE802.1D (STP), IEEE802.1w (RSTP), IEEE802.1s (MSTP), IGMP Snooping, MLD Snooping, Jumbo Frame (9 KB), IEEE802.1ad (QinQ and selective QinQ), GVRP

L3 Protocols (IPv4)

BGP4, OSPFv2, RIPv1, RIPv2, MBGP, LPM Routing, Policy-based Routing (PBR), Route-policy, Equal-Cost Multi-Path Routing (ECMP), WCMP, VRRP, IGMP v1/v2/v3, DVMRP, PIM-SSM/SM/DM, MSDP, Any-RP

IPv6 Basic Protocols

Neighbor Discovery, ICMPv6, Path MTU Discovery, DNSv6, DHCPv6, ICMPv6, ICMPv6 redirection, ACLv6, TCP/UDP for IPv6, SNMP v6, Ping/Traceroute v6, IPv6 RADIUS, Telnet/SSH v6, FTP/TFTP v6, NTP v6, IPv6 MIB support for SNMP, VRRP for IPv6, IPv6 QoS

IPv6 Features

Static routing, ECMP, PBR, OSPFv3, RIPng, BGP4+, MLDv1/v2, PIM-SMv6, manual tunnel and IPv4 over IPv6 tunnel

Data Center Features

PFC, ECN, and other data center features



OpenFlow 1.3



sFLOW sampling



Mapping of IEEE 802.1p, DSCP, and ToS priorities
ACL-based traffic classification
Priority marking/remarking
Multiple queue scheduling mechanisms, including SP, WRR, DRR, SP+WRR, and SP+DRR
Congestion avoidance mechanisms such as WRED and tail discarding

HA Design

GR for RIP/OSPF/BGP, BFD, DLDP, REUP dual-link fast switching, RLDP unidirectional link detection, 1+1 power redundancy and fan redundancy, and hot swapping for all cards and power supply modules

Security Features

Network Foundation Protection Policy (NFPP), CPP, DDoS attack defense, illegitimate data packet detection, data encryption, source IP spoofing prevention, IP scanning prevention, RADIUS/TACACS, IPv4/v6 packet filtering by basic ACL, extended ACL or VLAN-based ACL, plaintext-based and MD5 ciphertext-based authentication for OSPF, RIPv2, and BGPv4 packets, telnet login and password mechanisms for restricted IP addresses, uRPF, broadcast packet suppression, DHCP Snooping, ARP spoofing prevention, ARP check, and hierarchical user management

Management Mode

SNMP v1/v2/v3, telnet, console, MGMT, RMON, SSHv1/v2, FTP/TFTP, NTP, Syslog, SPAN/RSPAN/ERSPAN, ZTP, NETCONF, Python, fan and power alarm function, temperature alarm function, and configuration rollback

Other Protocols

DHCP Client, DHCP Relay, DHCP Server, DNS Client, UDP relay, ARP Proxy, and Syslog

Order Information

The configuration procedure for the RG-S6920-4C switch is as follows:

● Select the switch.

● Select expansion modulesbased on business requirements.

● Select the fan and power supply modules.

● Select Optical Transceivers based on port requirements.

Chassis, Fan, and Power Supply Modules

Product Model



Four expansion slots, four power supply module slots, and six fan module slots
The power supply module model is RG-PA1200I-F and the fan model is M2EFAN I-F.


Power supply module, supporting 2+2 redundancy, hot swapping, and front-to-rear ventilation design


Fan module, supporting 5+1 redundancy, hot swapping, and front-to-rear ventilation design


Expansion Modules

Product Model



32 x 100GE ports


16 × 100GE optical ports (QSFP28) + 4 × 400GE optical ports (QSFP-DD)

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