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RG-S6520-64CQ 100GE Data Center Access Switch

Recommended for large-scale Spine-Leaf three-tier DCI scenarios, M-LAG/VSU/de-stacking for higher availability

Características destacadas
  • 64 x 100GE QSFP28 ports housed in a 2 RU enclosure
  • Cross-device link aggregation (De-stacking/M-LAG/VSU), device-level redundancy, flexible networking, and high reliability
  • Lossless Ethernet, ensuring zero packet loss during RDMA E2E communication
  • Telemetry/gRPC/sFlow/SPAN-based network monitoring and automated O&M, making management simple and efficient
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Key Specification View More

Data Center 100GE Access Switch RG-S6520-64CQ

100GE high-density access switch with 10GE/25GE/100GE downlink ports and 64 x 100GE uplink ports housed in a 2 RU enclosure for adaptation to different
scenarios, Large buffer and advanced buffer scheduling mechanism, providing fast data processing and easily coping with burst traffic

Cross-device Link Aggregation, Implementing Device-level Redundancy, Flexible Networking, and High Reliability




De-stacking technology logically aggregates multiple switches through LACP to allow servers on the same network segment or on different network segments to communicate. This eliminates the need to synchronize data between switches, without affecting service transmission.

PFC- and ECN-based Lossless Ethernet with High Throughput and Low Latency in RDMA Scenarios

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.


Hardware Specifications

System Specifications



64 x 100GE ports (QSFP28)

Expansion Module Slots

Two power supply module slots, supporting 1+1 redundancy

Three fan module slots, supporting 2+1 redundancy

Management Port

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

Switching Capacity

12.8 Tbps

Packet Forwarding Rate

4482 Mpps

802.1Q VLAN


Dimensions and Weight


(W × D × H)

442 mm x 450 mm x 88.1 mm (17.40 in. x 17.72 in. x 3.47 in., 1 RU)


About 20 kg (44.09 lbs., including two power supply modules and three fan modules)

Power Supply and Consumption



RG-PA800I-F module

● Rated voltage: 110 V AC/220 V AC

● Rated voltage range: 100 V AC to 240 V AC (50 Hz to 60 Hz)

● Max voltage range: 90 V AC to 264 V AC (47 Hz to 63 Hz)

● Rated input current range: 5 A to 10 A


High-voltage DC

RG-PA800I-F module

● Max voltage range: 180 V DC to 310 V DC

● Rated voltage: 240 V DC

● Rated input current: 5 A

Maximum Power Consumption

● Max: 600 W

● Typical: 410 W

● Static: 222 W

Environment and Reliability


Operating Temperature

0 °C to 45 °C (32 °F to 113°F)

Storage temperature

-40 °C to 70 °C (-40 °F to 158 °F)

Operating Humidity

10% RH to 90% RH

Storage humidity

5% to 95% RH (non-condensing)

Working altitude

Operating altitude: up to 5000 m (16,404.20 ft.)

Storage altitude: up to 5000 m (16,404.20 ft.)


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, 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


IGMPv1, v2, v3、IGMP Host Behavior、Member Query and Response、Querier Election、IGMP Proxy、Multicast Static Routing、MSDP、PIM-DMv4(PIM-DM)、PIM-SMv4(PIM-SM/PIM-SSM/Enabling PIM on Layer-3 Subinterface)、PIM-SMv6、MLD v1 and v2、MLD Proxy、Enabling PIMv6 on Layer-3 Subinterface


Standard IP-based ACL、Extended MAC/IP-based ACL、Expert-level ACL、ACL 80、IPv6 ACL、When the same ACL is applied to different physical interfaces or SVIs, resources can be multiplexed.、ACL Logging、ACL Counter (Ingress and egress counters are supported in interface or global configuration modes)、ACL Re-marking、Global ACL、ACL-based Redirection、Displaying ACL Resources、Processing First Packet of TCP Handshake When Binding the ACL to Restrict SIP、Matching Against 5-Tuple of Pass-by VXLAN Inner IP Packets、The expert-level ACL supports matching the IP flag and DSCP fields of VXLAN inner packets、Ingress/Egress ACLs

Data Center Features

PFC, ECN, and other data center features





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


Virtual Switching Unit

Buffer Management

Buffer status monitoring and management, and identification of burst traffic

HA Design

GR for RIP/OSPF/BGP, BFD, REUP dual-link fast switching and 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, and ARP check

Management Mode

SNMP v1/v2c/v3, Netconf, telnet, console, MGMT, RMON, SSHv1/v2, FTP/TFTP, NTP clock, syslog, SPAN/RSPAN/ERSPAN, and configuration rollback

Other Protocols

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


Safety and Regulatory Compliance




● IEC 62368-1

● EN 62368-1

● NM EN 62368-1

● NM CEI 62368-1

● BS EN 62368-1

● GB 4943.1

Electromagnetic Compatibility (EMC)

● EN 55032

● EN 55035

● NM EN 55035

● BS EN55032

● BS EN 55035

● BS EN 61000-3-2

● BS EN61000-3-3

● EN IEC 61000-3-3

● EN IEC 61000-3-2

● NM EN 61000-3-2

● NM EN 61000-3-3

● EN 300 386


● GB/T 9254.1


● 2011/65/EU EN 50581

● 2012/19/EU EN 50419

● (EC) No.1907/2006

● GB/T 26572

*For more country-specific regulatory information and approvals, contact your local sales agency.

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Software and Configuration
Order Information

The configuration procedure for the RG-S6520 series switches is as follows:

  • Select the switch.
  • Select the fan and power supply modules.
  • Select optical transceivers based on port requirements.

    Chassis, Fan, and Power Supply Modules

    Product Model



    64 × 100GE ports
    Two power supply module slots and three fan module slots
    The power supply model is RG-PA800I-F, and the fan model is M6520-FAN-F.


    Power supply module, supporting 1+1 redundancy, hot swapping, and front-to-rear ventilation design


    Fan module, supporting 2+1 redundancy, hot swapping, and front-to-rear ventilation design


    100GBASE Series Optical Modules

    Product Model



    100G SR module, QSFP28 form factor, MPO, 850 nm, 100 m (328.08 ft.) over MMF


    100G LR4 module, QSFP28 form factor, Duplex LC, 1310 nm, 10 km (32,808.40 ft.) over SMF


    100G iLR4 module, QSFP28 form factor, Duplex LC, 1310 nm, 2 km (6,561.68 ft.) over SMF


    100G ER4 module, QSFP28 form factor, Duplex LC, 1310 nm, 40 km (131,233.59 ft.) over SMF


    100G QSFP28 AOC cable, 10 m (32.81 ft.)


    100G QSFP28 AOC cable, 5 m (16.40 ft.)


    40GBASE Series Optical Modules

    Product Model



    40G SR module, QSFP+ form factor, MPO, 150 m (492.13 ft.) over MMF


    40G LR4 module, QSFP+ form factor, Duplex LC, 10 km (32,808.40 ft.) over SMF


    40G LSR module, QSFP+ form factor, MPO, 400 m (1,312.34 ft.) over MMF


    40G LX4 module, QSFP+ form factor, Duplex LC connector, 150 m (492.13 ft.) over OM3/OM4 MMF, or 2 km (6,561.68 ft.) over SMF


    40G iLR4 module, QSFP+ form factor, Duplex LC, 2 km (6,561.68 ft.) over SMF


    40G QSFP+ AOC cable, 30 m (98.43 ft.)


    40G QSFP+ AOC cable, 5 m (16.40 ft.)

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