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S5720-SI Series Standard Gigabit Ethernet Switches

Flexible Gigabit Ethernet switches that provide resilient, high-density Layer 3 switching for data centers, with rich service features supporting multi-terminal, HD video surveillance and video conferencing applications. Intelligent iStack clustering, 10 Gbit/s upstream ports, and IPv6 forwarding capabilities provide flexibility for use as an aggregation switch in enterprise campus networks.

Next-generation reliability, security, and energy-saving technologies make S5720-SI Series Switches easy to install and maintain, and an excellent source of low Total Cost of Ownership (TCO).

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Get advanced security and service features in an energy-efficient switch for high-density Gbit/s access in data centers or aggregation switches in campus networks

Flexible networking ensures a high ROI: Provides full-gigabit ports and fixed GE/10 GE uplink ports

Abundant service features: More powerful Layer 3 routing capability, support for multi-terminal, high-definition video surveillance and video conferencing

Easy O&M: Works as a Super Virtual Fabric (SVF) client that is plug-and-play with zero configuration for simplified network management

High reliability: Multiple devices can be connected to set up a stack that functions as a virtual switch, reducing service interruption time
















Switching Capacity

336 Gbit/s

Forwarding Performance

42 Mpps, 57 Mpps, 78 Mpps, 96 Mpps, or 132 Mpps

Fixed Ports

24 Ethernet 10/100/1,000 ports, 4 of which are dual-purpose 10/100/1,000 or SFP

P series: 4 Gig SFP

X series: 4 x 10 Gig SFP+

48 Ethernet 10/100/1,000 ports

P series: 4 Gig SFP

X series: 4 x 10 Gig SFP+

24 100/1,000 SFP

8 of which are dual-purpose 10/100/1,000 or SFP

4 x 10 Gig SFP+

24 Ethernet 10/100/1,000 ports

P series: 4 Gig SFP

X series: 4 x 10 Gig SFP+

48 Ethernet 10/100/1,000 ports

P series: 4 Gig SFP

X series: 4 x 10 Gig SFP+

8 Ethernet 10/100/1,000 ports

4 Ethernet 2.5 GE/GE ports

2 x 10 Gig SFP+

MAC Address Table


Ring Protection

RRPP ring topology and RRPP multi-instance

Smart Link tree topology and Smart Link multi-instance provide millisecond-level protection switchover


ERPS (G.8032)

STP (IEEE 802.1d), RSTP (IEEE 802.1w), and MSTP (IEEE 802.1s)

BPDU protection, root protection, and loop protection

IP Routing

Static route, RIPv1, RIPv2, RIPng, ECMP, OSPF, OSPFv3, BGP, BGP4+, IS-IS, IS-ISv6, VRRP, and VRRP6



IGMP v1/v2/v3 snooping and IGMP fast leave

Multicast forwarding in a VLAN and multicast replication between VLANs

Multicast load balancing among member ports of a trunk

Controllable multicast

Port-based multicast traffic statistics


User privilege management and password protection

DoS attack defense, ARP attack defense, and ICMP attack defense

Binding of the IP address, MAC address, interface, and VLAN

Port isolation, port security, and sticky MAC

Blackhole MAC address entries

MAC Forced Forwarding (MFF)

Limit on the number of learned MAC addresses

802.1x authentication and limit on the number of users on an interface

AAA authentication, RADIUS authentication, HWTACACS+ authentication, and NAC

SSH v2.0

Hypertext Transfer Protocol Secure (HTTPS)

CPU defense

Blacklist and whitelist

802.1x authentication, MAC address authentication, and combined authentication on a per port basis

Portal authentication on a per VLANIF interface basis

MACSec (hardware ready)

Super Virtual Fabric (SVF)

Working as an SVF client that is plug-and-play with zero configuration

Automatically loading the system software package and client patches

One-click and automatic delivery of service configurations

Supports independent running client

Management and Maintenance


Virtual cable test

SNMP v1/v2c/v3


Web-based NMS

System logs and alarms of different levels



VLAN-based Spanning Tree (VBST) (interoperating with PVST, PVST+, and RPVST)

Link-type Negotiation Protocol (LNP) (similar to DTP)

VLAN Central Management Protocol (VCMP) (similar to VTP)

For detailed interoperability certifications and test reports, click HERE.

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