Core/aggregation switch with over 25 Tbps switching capacity, 20 × 10G SFP+, 4 × 10G/25G SFP28, and 2 × 40G QSFP+ ports. Built for scalable enterprise backbones and high-density networks.
DG-S6120-20XS4VXS2QXS Core Switch – 25 Tbps Backbone Performance for Enterprise Networks
The DG-S6120-20XS4VXS2QXS is a high-performance core/aggregation switch from Data General, designed for enterprise networks where throughput, low latency, and scalability are critical. With over 25 Tbps of switching capacity, it provides the backbone performance needed for modern campus architectures, high-density WiFi infrastructures, and data-intensive environments.
Equipped with 20 × 10G SFP+ ports, 4 × SFP28 10G/25G ports, and 2 × QSFP+ 40G ports, the DG-S6120 offers flexible high-speed connectivity for core uplinks, aggregation interconnects, server access, and fiber backbone deployments. The mix of 10G, 25G-ready, and 40G interfaces allows network architects to scale bandwidth efficiently while preserving investment and simplifying upgrades.
Built for continuous operation in demanding environments, the DG-S6120-20XS4VXS2QXS is ideal for enterprise campuses, hospitals, universities, large hotels, industrial networks, and ISP/metro edge scenarios, where high-capacity switching and reliable fiber connectivity are essential. It is an excellent choice when you need a future-ready core switch that can consolidate traffic from multiple access/aggregation layers and support rapid network growth.
| Model | DG-S6120-20XS4VS2QXS |
|---|---|
| Basic specifications | |
| Fixed ports | 20 x 1G/2.5G/10GBASE-X SFP+ ports* |
| 4 x 10G/25GBASE-X SFP28 ports, | |
| 2 x 40GBASE-X QSFP+ ports, | |
| Support up to 32 x 10G ports, | |
| 2 modular power slots, | |
| 2 modular fan slots | |
| Management ports | 1 MGMT port |
| 1 console port | |
| 1 USB port | |
| Switching capacity | 2.56Tbps/25.6T |
| Forwarding rate | 570Mpps/1260Mpps |
| ARP Table | Up to 16K |
| Number of MAC addresses | Number of global MAC addresses: 32,768 |
| Number of static MAC addresses: 1,000 | |
| Routing Table Size | 16K/16K |
| (IPv4/IPv6) | |
| ACL Entries | Up to 2500 |
| Product Features | |
| VLAN | 4K 802.1Q VLAN |
| Port-based VLAN | |
| Private VLAN | |
| GVRP | |
| Super VLAN | |
| QinQ | Basic QinQ |
| Link aggregation | LACP (802.3ad) |
| Port mirroring | Flow-based mirroring |
| Many-to-one mirroring, One-to-many mirroring | |
| RSPAN | |
| Link aggregation mirroring | |
| Multiple Spanning Tree (MST) Instances | 64 |
| Spanning tree protocols | STP, RSTP, MSTP |
| Maximum Aggregation Port (AP) | 128 |
| DHCP | DHCP Server |
| DHCP Client | |
| DHCP Snooping | |
| DHCP Relay | |
| IPv6 DHCP Snooping | |
| IPv6 DHCP Client | |
| IPv6 DHCP Relay | |
| IPv6 protocols | IPv6 addressing, ICMPv6, Path MTU Discovery |
| IP routing | Static routing |
| RIP, RIPng | |
| OSPFv2, OSPFv3, IS-ISv4, IS-ISv6 | |
| BGP4, BGP4+ | |
| Policy Based Routing | |
| ECMP | |
| Multicast | IGMP v1/v2/v3, IGMP proxy |
| IGMP v1/v2/v3 snooping | |
| IGMP filtering, IGMP fast leave | |
| PIM-DM, PIM-SM, PIM-SSM | |
| MLD Snooping, MLD | |
| MSDP | |
| ACL | Various hardware-based ACLs: |
| Standard IP ACL (Based on IP address) | |
| Extended IP ACL (Based on IP address and TCP/UDP
port number) |
|
| Extended MAC ACL (Based on source and destination
MAC addresses and Ethernet type) |
|
| Time-based ACL | |
| Expert ACL (Based on the flexible combination of VLAN
ID, Ethernet type, MAC address, IP address, TCP/UDP port, protocol type and time) |
|
| ACL80 | |
| IPv6 ACL | |
| QoS | Port-based traffic recognition |
| Port-based speed limit | |
| 802.1p/DSCP/TOS traffic classification | |
| 8 priority queues per port | |
| Queue scheduling algorithms: SP, WRR, DRR, SP+WRR,
SP+DRR, RED/WRED |
|
| Security | Filter unauthorized MAC addresses |
| Broadcast storm suppression | |
| Hierarchical management by administrators and
password protection |
|
| RADIUS and TACACS+ | |
| SSH | |
| BPDU Guard | |
| CPP, NFPP | |
| Management | SNMP, CLI (Telnet/Console), RMON (1,2,4,9), Syslog,
NTP, SNMP over IPv6, IPv6 MIB support for SNMP, Telnet v6, FTP/TFTP v6, DNS v6, NTP for v6, Traceroute v6 |
| Support sFlow to sample the packets of the switch traffic
using the random sampling technology of data stream |
|
| Reliability | VSU (virtualization technology for virtualizing multiple
devices into 1); GR for RIP/OSPF/BGP; BFD; G.8032 (ERPS), REUP; RLDP; 1+1 power redundancy; Hot-swappable power module and fan module |
| VSU (Virtual Switch Unit) | Up to 2 stack members |
| Physical Specifications | |
| Power supply | Supported power module: DG-PA150I-F-61 |
| AC input: | |
| Rated voltage range: | |
| 100 to 240VAC; 50/60Hz | |
| Maximum voltage range: | |
| 90 to 264VAC; 47/63Hz | |
| Rated input current: 3A | |
| HVDC input: | |
| Rated voltage range: 240VDC | |
| Maximum voltage range: 192 to 288 VDC | |
| Rated current per input: 3A | |
| Power Consumption | <85W |
| Power Surge Protection | 4KV (MGMT Port) |
| Power Supply Module (DG-PA150I-F): common mode
6KV/difference mode 6KV |
|
| Fan | Support 2 pluggable modular fans with front and
rear air ducts |
| Support fan speed adjustment and malfunction alert | |
| Temperature alarm | Support temperature alarm function |
| Temperature | Operating temperature: |
| 0°C to 50°C | |
| Storage temperature: | |
| -40°C to 70°C | |
| Humidity | Operating humidity: 10% to 90%RH |
| Storage humidity: 5% to 90%RH | |
| Operating Altitude | 0 to 5,000m |
| Dimensions | 440 * 330 * 43.6（W * D * H，mm） |
| (W x D x H) (mm) | |
| Rack Height | 1RU |
| MTBF | 30 Years |
| Safety Standards | GB4943-2011 |
| EN 62368-1:2014+A11:2017 | |
| Emission Standards | GB9254-2008 CLASSA |
| EN 55032:2015+AC:2016 | |
| EN 61000-3-2:2014 | |
| EN 61000-3-3:2013+A1:2019 | |
| EN 55035:2017 | |
| ETSI EN 300 386 V2.1.1 (2016-07) | |
| * Support on latest version 12.6SPJ2 | |
Secure connectivity for professional environments.
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