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RG-S6250-48XS8CQ 10GE Data Center Access Switch

M-LAG/VSU/de-stacking for higher availability, PFC/ECN-based lossless RDMA network with high performance

Highlight Features
  • 48 x 10GE SFP+ ports and 8 x 100GE QSFP28 ports
  • Cross-device link aggregation (De-stacking/M-LAG/VSU), device-level redundancy, flexible networking, and high reliability
  • VXLAN tunneling technology, achieving unlimited data transmission and flexible resource allocation and scheduling
  • 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



48 x 10GE ports and 8 x 100GE ports

Expansion Modules

Power supply 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


Packet Forwarding Rate

1920 Mpps

802.1Q VLAN


Dimensions and Weight


(W × D × H)

442 mm × 387 mm × 44 mm (17.40 in. x 15.24 in. x 1.73 in.), 1 RU


8 kg (17.64 lbs., including two power supply modules and four fan modules)

Power Supply and Consumption



Rated voltage range: 100 V AC to 240 V AC

Maximum voltage range: 90 V AC to 264 V AC

Frequency: 50 Hz to 60 Hz

Rated input current: 3.5 A to 7.2 A

High-Voltage DC (HVDC)

Input voltage range: 192 V DC to 288 V DC

Rated input current: 3.6 A

Low-Voltage DC (LVDC)

Input voltage range: –42 V DC to –72 V DC

Rated input voltage: –48 V DC

Rated input current: 23 A

Maximum Power Consumption

300 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% to 90% RH (Non-condensing)

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 Specification

Software Specification


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), and GVRP

L3 Protocols (IPv4)

BGP4, OSPFv2, RIPv1, RIPv2, MBGP, LPM Routing, Policy-based Routing, Routing Policy, ECMP, WCMP, VRRP, IGMP v1/v2/v3, PIM-SSM/SM/DM, MSDP, and Any-RP

Basic IPv6 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, and IPv6 QoS

IPv6 Features

Static routing, ECMP, PBR, OSPFv3, RIPng, BGP4+, MLD v1/v2, PIM-SMv6, manual tunnel, automatic tunnel, IPv4 over IPv6 tunnel, and ISATAP tunnel


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


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

Data Center Features

VXLAN routing and VXLAN bridging

IPv6 VXLAN over IPv4



OpenFlow 1.3



sFlow sampling


802.1p, DSCP, and ToS priority mapping
ACL-based traffic classification
Priority marking and remarking
Queue scheduling mechanisms, including SP, WRR, DRR, SP+WRR, and SP+DRR
Congestion avoidance mechanisms, including WRED and trail drop




Virtual Switching Unit (VSU)

Cache Management

Cache status monitoring and traffic microburst identification

HA Design

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

Security Features

Network Foundation Protection Policy (NFPP), CPU Protection Policy (CPP), DDoS attack defense, unauthorized 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 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 Modes

SNMP v1/v2c/v3, Telnet, Console, MGMT, RMON, SSH v1/v2, FTP/TFTP, NTP, Syslog, SPAN/RSPAN/ERSPAN, Telemetry, ZTP, NETCONF, Python, fan and power supply alarming, and over-temperature alarming

Other Protocols

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

* indicates that the feature will be supported in the future.

Safety and Regulatory Compliance




● IEC 62368-1

● EN 62368-1

● NM EN 62368-1

● NM CEI 62368-1

● EN IEC 62368-1

● BS EN IEC 62368-1

● UL 62368-1

● CSA C22.2#62368-1

● GB 4943.1

Electromagnetic Compatibility (EMC)

● EN 55032

● EN 55035

● EN IEC 61000-3-2

● EN IEC 61000-3-3

● EN 61000-3-3

● EN 300 386

● ETSI EN 300 386

● NM EN 55035

● NM EN CEI61000-3-2

● NM EN 61000-3-3

● CNS 13438

● FCC CFR Title 47, Part 15, Subpart B

● ANSI C63.4-2014

● ICES-003 Issue 7

● 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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Learn about Products or Solutions
Software and Configuration
Order Information

Take the following steps to configure an RG-S6250-48XS8CQ switch:

● Select the chassis.

● Select the fan and power supply modules.

● Select expansion modules based on service requirements.

● Select optical transceivers based on port requirements.

Chassis, Fan, and Power Supply Modules

Product Model



48 x 10GE ports and 8 x 100GE ports, supporting hot swapping
Two power supply module slots and four fan module slots
Power supply modules: RG-PA550I-F and RG-PD800I-F

Fan module: M1EFAN II-F


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


800 W power supply module (48 V LVDC)


Fan module, supporting 3+1 redundancy, hot swapping, and front-to-rear airflow


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


40GBASE Series Optical Modules

Product Model



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


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


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


10GBASE Series Optical Modules

Product Model



10G SR module, QSFP+ form factor, Duplex LC, 300 m (984.25 ft.) over MMF


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


10G ER module, QSFP+ form factor, Duplex LC, 40 km (131,233.60 ft.) over SMF


10G ZR module, QSFP+ form factor, Duplex LC, 80 km (262,467.19 ft.) over SMF

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