40 Gbps Aggregation Switch or Core Switch
DG-S6120-20XS4VXS2QXS

Key points
- Aggregation Switch or Core Switch
- 25 Tbps Capacity
- 20 SFP+ 10G ports
- 4 SFP28 10G/25G ports
- 2 QSFP+ 40G ports
- Redundant power supply
- L3 manageable switch
Unrivaled Performance
It’s hard to find an aggregation switch on the market that offers as much value for a reasonable price. With over 25 Tbps of switching capacity, 20 10G SFP+ ports, 4 SFP28 10G/25G ports, and 2 QSFP+ 40G ports, the Data General DG-S6120-20XS4VS2QXS Layer 3 managed switch stands out as an unmatched choice. Whether used as an Aggregation Switch in large networks or a Core Switch in small to medium-sized networks, its performance and competitive pricing make it an unbeatable option.





- High-capacity ports: 20 10G SFP+ ports, 4 25G SFP28 ports and 2 40G QSFP+ uplink ports.
- VSU virtualization, flexible networks and high performance.
- Hardware redundancy, guaranteed service continuity and network connectivity.
- Network security policies and real-time monitoring, providing enhanced network robustness.
- Abundant QoS policies for flexible resource allocation, eliminating congestion.
- Multiple management modes, simple and easy maintenance.
- It can function both as an aggregation switch and as a core switch.
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 | |
Datasheets