RG-S6510-32CQ Data Center 100GE DCI Access Switch

They are highlighted by their high performance, high density, and the data speed of up to 25 Gbps/100 Gbps. They meet the Spine-Leaf network architecture design requirements.



Highlight Features

  • Non-blocking Data Center Networks and Powerful Cache Capacity
  • Hardware-level redundancy, ensuring nonstop services
  • Lossless Ethernet, ensuring zero packet loss in RDMA E2E communication
  • Telemetry network monitoring and automatic O&M, making management simple and efficient

Non-blocking Data Center Networks and Powerful Cache Capacity
The whole series of switches oriented towards next-generation data centers and cloud computing are line-rate products. They are in line with the development trend of East-West traffic of data centers and apply to heavy-traffic next-generation data centers. They meet the Spine-Leaf network architecture design requirements.
The RG-S6510 series switches provide 48 × 25GE ports and 8 × 100GE ports or 32 × 100GE ports. All the ports can forward data at the line rate. The 100GE ports are backward compatible with 40GE ports.
To meet the requirements for non-blocking transmission of heavy-traffic data in data centers, the switch offers powerful cache capacity and uses the advanced cache scheduling mechanism, to ensure that the cache capacity of the switch is effectively leveraged.

Data Center Virtualization
The RG-S6510 series switches adopt the virtual switching unit (VSU) 2.0 technology to virtualize multiple physical devices into one logical device, which reduces network nodes and enhances network reliability. These physical switches can be operated and managed in a unified manner. The switch can implement fast link switching within 50 ms to 200 ms in the case of a link failure, thereby ensuring the uninterrupted transmission of key services. The inter-device link aggregation feature implements dual active uplinks for data through access servers and switches.

Data Center Overlay Networking
The RG-S6510 series switches support VXLAN to meet the data center overlay networking requirements. This addresses the difficulty to expand traditional data center networks due to VLAN limit.
The basic network built by the RG-S6510 series switches can be divided into new subnets based on the overlay technology, without changing the physical topology or considering the restrictions on IP addresses and broadcast domains of physical networks.

Data Center Layer-2 Network Expansion
The VXLAN technology encapsulates layer-2 packets into User Datagram Protocol (UDP) packets, which enables the establishment of a logically layer-2 network on the layer-3 network. The RG-S6510 series switches support the EVPN protocol to automatically discover and authenticate virtual tunnel endpoints (VTEPs), thereby reducing flooding on the VXLAN data plane and preventing VXLAN from relying on deployed underlying multicast services. This simplifies VXLAN deployment and improves the large layer-2 network building efficiency to better meet the requirements of deploying a large layer-2 network in data centers.

RDMA-based Lossless Ethernet
The switch implements low-delay forwarding of the lossless Ethernet based on the Remote Direct Memory Access (RDMA) and optimizes service forwarding performance. It greatly reduces the operation cost per bit of the entire network and enhances the competitive edge of products.

Hardware-based Traffic Visualization
The chip hardware enables the switch to visualize the end-to-end traffic of complex networks involving multiple paths and nodes. Then, users can focus on monitoring the forwarding path and delay of each session, dramatically raising the troubleshooting efficiency.

Carrier-Class Reliability Protection
The RG-S6510 series switches are equipped with built-in redundant power supply modules and modular fan assemblies. All power supply modules and fan modules can be hot-swapped without affecting the normal running of the device. The switch provides fault detection and alarm functions for power supply modules and fan modules. It automatically adjusts the fan speed based on temperature changes, to better adapt to the environment in data centers. The switch also supports device-level and link-level reliability protection as well as overcurrent protection, overvoltage protection, and overheating protection.
In addition, the switch integrates various link reliability mechanisms, such as Rapid Ethernet Uplink Protection Protocol (REUP), quick link switching, graceful restart (GR), and bidirectional forwarding detection (BFD). When multiple services and heavy traffic are carried over the network, these mechanisms can reduce the impact of exceptions on network services and enhance overall reliability.

IPv4/IPv6 Dual-Stack Protocols and Multilayer Switching
The hardware of the RG-S6510 series switches supports IPv4 and IPv6 protocol stacks and multilayer line-rate switching. The hardware differentiates and processes IPv4 and IPv6 packets. The switch also integrates multiple tunneling technologies such as manually configured tunnels, automatic tunnels, and Intra-Site Automatic Tunnel Addressing Protocol (ISATAP) tunnels. Users can flexibly work out IPv6 inter-network communication solutions by using this switch based on IPv6 network planning and network conditions.
The RG-S6510 series switches support numerous IPv4 routing protocols, including static routing, Routing Information Protocol (RIP), Open Shortest Path First (OSPF), Intermediate System to Intermediate System (IS-IS), and Border Gateway Protocol version 4 (BGP4). Users can select required routing protocols based on network environments, to flexibly build networks.
The RG-S6510 series switches also support abundant IPv6 routing protocols, including static routing, Routing Information Protocol next generation (RIPng), OSPFv3, and BGP4+. Appropriate routing protocols can be selected to upgrade an existing network to an IPv6 network or build a new IPv6 network.

Flexible and Complete Security Policies
The RG-S6510 series switches effectively defend against and control virus spread and hacker attacks by using multiple inherent mechanisms such as anti-DoS attack, anti-IP scanning, validity check of ARP packets on ports, and multiple hardware ACL policies.
The hardware-based IPv6 ACL can easily control the access of IPv6 users at the network boundary even if there are IPv6 users on an IPv4 network. The switch supports the coexistence of IPv4 and IPv6 users and can control access permissions of IPv6 users, for example, restricting access to sensitive resources on the network.
The telnet access control based on source IP addresses can prevent illegitimate users and hackers from maliciously attacking and controlling the switch, enhancing network management security. The Secure Shell (SSH) and Simple Network Management Protocol version 3 (SNMPv3) can encrypt management information in the telnet and SNMP processes, thereby ensuring the information security of the switch and preventing hackers from attacking and controlling the switch.
The switch rejects network access from illegitimate users and enables legitimate users to use networks properly by employing multi-element binding, port security, time-based ACL, and data stream–based rate limit. It can strictly control user access to enterprise networks and campus networks and restrict the communication of unauthorized users.

All-Round Management Performance
The switch supports various management ports, such as the console port, management port, and USB port, and supports the SNMP traffic analysis report to help users optimize the network structure and adjust resource deployment in a timely manner.



Hardware Specifications

System Specifications




48 × 25GE ports and 8 × 100GE ports

32 × 100GE ports

Expansion Module Slots

Power module slots

Fan module slots

Power module slots

Fan module slots

Management Port

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

Switching Capacity


6.4 Tbps

Packet Forwarding Rate

2000 Mpps

2030 Mpps

802.1Q VLAN


Dimensions and Weight




(W × D × H)

442 mm × 387 mm × 44 mm, 1 RU

442 mm × 560 mm × 44 mm

, 1 RU


About 8 kg (including two power supply modules and four fan modules)

About 11 kg (including two power supply modules and five fan modules)

Power Supply and Consumption




Rated voltage range: 100 VAC to 240 VAC

Maximum voltage range: 90 VAC to 264 VAC

Frequency: 50 Hz to 60 Hz

Rated input current range: 3.5 A to 7.2 A

High-voltage DC

Input voltage range: 192 VDC to 288 VDC

Input current: 3.6 A

Low-voltage DC

Input voltage range: –42 VDC to –72 VDC

Rated input voltage: –48 VDC

Rated input current: 23 A


Maximum Power Consumption

< 300 W

< 400 W

Environment and Reliability



Operating Temperature

0°C to 45°C

0°C to 40°C

Operating Humidity

10%–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, automatic tunnel, IPv4 over IPv6 tunnel, and ISATAP tunnel

Data Center Features

VXLAN routing and VXLAN bridging




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


Virtual Switching Unit

Cache Management

Cache status monitoring and management, and identification of burst traffic

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, Netconf, telnet, console, MGMT, RMON, SSHv1/v2, FTP/TFTP, NTP clock, Syslog, SPAN/RSPAN/ERSPAN, Telemetry, ZTP, Python, fan and power alarm, and temperature alarm

Other Protocols

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

Order Information

The configuration procedure for the RG-S6510 series switches is as follows:

  • Select the switch based on the port types and quantity required by the service.
  • Select the fan and power supply modules based on the switch model.

Select optical transceivers based on port requirements.


Product Model



48 × 25GE ports and 8 × 100GE ports.
Two power supply module slots and four fan module slots.
The power module model is RG-PA550I-F, and the fan model is M6510-FAN-F.


Provides 32 × 100G ports.
Two power supply module slots and five fan module slots.
The power module model is RG-PA550I-F, and the fan model is M1HFAN I-F.


Fan and Power Supply Modules

Product Model



550 W power supply module (AC and 240 V HVDC)


800 W power supply module (48 V LVDC), applicable only to RG-S6510-48VS8CQ


Fan module of RG-S6510-48VS8CQ, supporting 3+1 redundancy, hot swapping, and front-to-rear ventilation design.


Fan module of RG-S6510-32CQ, supporting 4+1 redundancy, hot swapping, and front-to-rear ventilation design.


Optical Transceivers

Product Model



100GE SR optical transceiver, QSFP28 package, MPO connector (850 nm wavelength)
The transmission distance is 100 m when OM4 optical fibers are used.


100GE LR single-mode optical transceiver, QSFP28 package, LC connector (used in combination with LC optical fibers, 2-core, 1310 nm wavelength), maximum transmission distance of 10 km


100GE iLR optical transceiver, QSFP28 package, LC connector (used in combination with LC optical fibers, 2-core, 1310 nm wavelength), maximum transmission distance of 2 km


100GE QSFP28 port cable (including modules at both ends), with a length of 10 m


40GE SR optical transceiver, QSFP+ package, MPO connector (used in combination with OM3/OM4 MPO optical fibers, 8-core/12-core, 850 nm wavelength)
The transmission distance is 100 m when OM3 optical fibers are used and 150 m when OM4 optical fibers are used.


40GE LR single-mode optical transceiver, QSFP+ package, LC connector (used in combination with LC optical fibers, 2-core, 1310 nm wavelength), maximum transmission distance of 10 km


40GE SR optical transceiver, QSFP+ package, MPO connector (used in combination with OM3/OM4 MPO optical fibers, 8-core/12-core, 850 nm wavelength)
The transmission distance is 300 m when OM3 optical fibers are used and 400 m when OM4 optical fibers are used. One port can be split into four ports to support the 10GE SFP+ transceiver.


25GE SFP28 optical cable (including modules on both sides), 5 m


10GE SR optical transceiver (300 m), applicable to SFP+ ports


10GE LR optical transceiver (10 km), applicable to SFP+ ports


10GE ER optical transceiver (40 km), applicable to SFP+ ports


10GE ZR optical transceiver (80 km), applicable to SFP+ ports

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