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			 Product Code  | 
			
			 S5720S-28X-SI-AC  | 
		
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			 Downlink Ports  | 
			
			 24 × Ethernet 10/100/1000 ports  | 
		
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			 Uplink Ports  | 
			
			 4 × 10GE SFP+ ports  | 
		
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			 Forwarding Performance  | 
			
			 96 Mpps  | 
		
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			 Switching Capacity  | 
			
			 336 Gbit/s  | 
		
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			 Stack  | 
			
			 Supported  | 
		
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			 Stack connection mode  | 
			
			 GE electrical ports and 10GE SFP+ optical ports on the front panel  | 
		
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			 RAM  | 
			
			 512 MB  | 
		
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			 Flash Memory  | 
			
			 240 MB  | 
		
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			 Power  | 
			
			 AC Power Supply  | 
		
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			 Heat Dissipation  | 
			
			 Built-in fans for forced air cooling  | 
		
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			 Dimensions (W x D x H)  | 
			
			 44.2 cm x 22 cm x 4.36 cm  | 
		
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			 Weight (Kg)  | 
			
			 4.75 Kg  | 
		
			S5720S-28X-SI-AC Specification | 
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			 Fixed Port  | 
			
			 24 × Ethernet 10/100/1000 ports 4 × 10GE SFP+ ports  | 
		
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			 MAC address table  | 
			
			 IEEE 802.1d compliance  | 
		
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			 MAC address learning and aging  | 
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			 Static, dynamic, and blackhole MAC address entries  | 
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			 Packet filtering based on source MAC addresses  | 
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			 MAC address entries: S5700-SI series - 16K  | 
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			 VLAN  | 
			
			 4K VLANs  | 
		
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			 Guest VLAN and voice VLAN  | 
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			 GVRP  | 
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			 MUX VLAN  | 
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			 VLAN assignment based on MAC addresses, protocols, IP subnets, policies, and ports  | 
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			 1:1 and N:1 VLAN Mapping  | 
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			 SuperVLAN(supported by the S5700-SI/S5700-EI/S5700-HI series)  | 
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			 Ring protection  | 
			
			 RRPP ring topology and RRPP multi-instance  | 
		
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			 Smart Link tree topology and Smart Link multi-instance, providing the millisecond-level protection switchover  | 
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			 SEP  | 
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			 ERPS(G.8032)(supported by the S5700-LI/S5700-SI/S5700-EI/S5700-HI series)  | 
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			 STP, RSTP, and MSTP  | 
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			 BPDU protection, root protection, and loop protection  | 
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			 BPDU Tunnel  | 
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			 Reliability  | 
			
			 Ethernet OAM (IEEE 802.3ah and 802.1ag)  | 
		
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			 ITU-Y.1731  | 
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			 DLDP  | 
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			 LACP  | 
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			 E-Trunk(supported by the S5700-SI/S5700-EI/S5700-HI series)  | 
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			 BFD for OSPF, BFD for IS-IS, BFD for VRRP, and BFD for PIM (supported by the S5700-EI/S5700-HI series)  | 
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			 MPLS features  | 
			
			 MPLS L3VPN  | 
		
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			 MPLS L2VPN(VPWS/VPLS)  | 
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			 MPLS-TE  | 
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			 MPLS QoS  | 
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			 Notes: supported by S5710-EI, S5700-HI and S5710-HI  | 
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			 IP routing  | 
			
			 Static routing  | 
		
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			 RIPv1, RIPv2 and RIPng,ECMP(supported by the S5700-SI/S5700-EI/S5700-HI series)  | 
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			 OSPF, OSPFv3, IS-IS, IS-ISv6, BGP and BGP4+ (supported by the S5700-EI/S5700-HI series)  | 
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			 IPv6 features  | 
			
			 Neighbor Discovery (ND)  | 
		
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			 Path MTU (PMTU)  | 
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			 IPv6 ping, IPv6 tracert, and IPv6 Telnet  | 
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			 ACLs based on the source IPv6 address, destination IPv6 address, Layer 4 ports, or protocol type  | 
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			 MLD v1/v2 snooping  | 
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			 6to4 tunnel, ISATAP tunnel, and manually configured tunnel(supported by the S5700-SI/S5700-EI/S5700-HI series)  | 
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			 Multicast  | 
			
			 IGMP v1/v2/v3 snooping and IGMP fast leave  | 
		
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			 Multicast forwarding in a VLAN and multicast replication between VLANs  | 
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			 Multicast load balancing among member ports of a trunk  | 
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			 Controllable multicast  | 
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			 Port-based multicast traffic statistics  | 
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			 IGMP v1/v2/v3, PIM-SM, PIM-DM, PIM-SSM, MSDP (supported by the S5700-EI/S5700-HI series)  | 
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			 QoS/ACL  | 
			
			 Rate limiting on packets sent and received by an interface  | 
		
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			 Packet redirection  | 
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			 Port-based traffic policing and two-rate three-color CAR  | 
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			 Eight queues on each port  | 
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			 WRR, DRR, SP, WRR+SP, and DRR+SP queue scheduling algorithms  | 
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			 WRED (supported by the S5710-EI and S5700-HI)  | 
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			 Re-marking of the 802.1p priority and DSCP priority  | 
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			 Packet filtering at Layers 2 through 4, filtering out invalid frames based on the source MAC address, destination MAC address, source IP address, destination IP address, TCP/UDP port number, protocol type, and VLAN ID  | 
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			 Rate limiting in each queue and traffic shaping on ports  | 
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			 Security  | 
			
			 User privilege management and password protection  | 
		
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			 DoS attack defense, ARP attack defense, and ICMP attack defense  | 
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			 Binding of the IP address, MAC address, interface, and VLAN  | 
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			 Port isolation, port security, and sticky MAC  | 
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			 MFF  | 
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			 Blackhole MAC address entries  | 
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			 Limit on the number of learned MAC addresses  | 
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			 802.1x authentication and limit on the number of users on an interface  | 
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			 AAA authentication, RADIUS authentication, HWTACACS authentication, and NAC  | 
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			 SSH v2.0  | 
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			 Hypertext Transfer Protocol Secure (HTTPS)  | 
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			 CPU defense  | 
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			 Blacklist and whitelist  | 
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			 Access Security  | 
			
			 DHCP Relay, DHCP Server, DHCP Snooping, DHCP Security  | 
		
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			 Management and maintenance  | 
			
			 Virtual cable test  | 
		
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			 Port mirroring and RSPAN (remote port mirroring)  | 
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			 Remote configuration and maintenance using Telnet  | 
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			 SNMP v1/v2c/v3  | 
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			 RMON  | 
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			 Web NMS  | 
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			 HGMP  | 
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			 System logs and alarms of different levels  | 
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			 802.3az EEE (supported by the S5700(S)-LI, S5710-EI, S5700-HI and S5710-HI)  | 
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			 Dying gasp (supported by the S5700-HI, S5710-HI and S5700(S)-LI(except battery LAN switches)  | 
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			 NetStream (supported by the S5710-EI, S5700-HI and S5710-HI)  | 
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			 sFlow(supported by the S5700(S)-LI/S5700-EI/S5700-HI series)  | 
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			 Interoperability  | 
			
			 Supports VBST (Compatible with PVST/PVST+/RPVST)  | 
		
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			 Supports LNP (Similar to DTP)  | 
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			 Supports VCMP (Similar to VTP)  | 
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			 Operating environment  | 
			
			 Operating temperature: 0℃–50℃  | 
		
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			 Relative humidity: 10%–90% (non-condensing)  | 
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			 Input voltage  | 
			
			 AC: Rated voltage range: 100 V to 240 V AC, 50/60 Hz Maximum voltage range: 90 V to 264 V AC, 47/63 Hz  | 
		
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			 Dimensions (W x D x H)  | 
			
			 44.2 cm x 22 cm x 4.36 cm  |