| project | S6520-16S-SI | S6520-24S-SI | S6520-22SG-SI | S6520-30SG-SI | S6520-26Q-SI |
| Dimensions (width × depth × height) (unit: mm) | 440×260×43.6 | 440×260×43.6 | 440×260×43.6 | 440×260×43.6 | 440×360×43.6 |
| Full weight | ≤7kg | ≤7kg | ≤6kg | ≤6kg | ≤7kg |
| Console port | 1 piece |
| Ethernet port for management | 1 piece |
| USB port | 1 piece |
| Front panel service port description | 16 1/10G SFP Plus ports | 24 1/10G SFP Plus ports | 8 GE+14 1/10G SFP Plus ports | 8 GE+22 1/10G SFP Plus ports | 24 1/10G SFP Plus ports + 2 QSFP Plus ports |
| Input voltage | communicate with | Rated voltage range: 100V～240V, 50/60Hz |
| Direct current | Rated voltage range: -48V~-60V |
| Power consumption (static) | AC: 15W | AC: 17W | AC: 15W | AC: 15W | AC single: 15W; double: 18W |
| DC: 15W | DC: 16W | no | no | DC single: 15W; double: 18W |
| Power consumption (full load) | AC: 51W | AC: 67W | AC: 45W | AC: 62W | AC single: 81W; double: 80W |
| DC: 52W | DC: 68W | no | no | DC single: 81W; double: 80W |
| Working temperature | 0ºC～45ºC |
| Relative humidity of working environment (non-condensing) | 10%～90% |
| Wire-speed switching | Exchange capacity | 2.56Tbps/23.04Tbps |
| Packet forwarding rate | 240Mpps | 360Mpps | 220Mpps | 340Mpps | 540Mpps |
| Horizontal virtualization | Support IRF2 smart elastic architecture |
| Support distributed equipment management, distributed link aggregation, distributed flexible routing |
| Support stacking through standard Ethernet interface |
| Support local stacking and remote stacking |
| Support MAD stack split detection mechanism based on LACP, BFD, ARP |
| Link aggregation | Support 10GE port aggregation |
| Support static aggregation and dynamic aggregation |
| Jumbo Frame | stand by |
| MAC address table | Support static MAC address |
| Support black hole MAC address |
| Support setting the maximum number of port MAC address learning |
| Openflow | Support Openflow1.3.1 |
| VLAN | Support port-based VLAN (4094) |
| Support Default VLAN |
| Support QINQ |
| Support flexible QINQ |
| Support VLAN MAPPING |
| Support PVST+ Support RPVST+ |
| data monitoring | Support SFLOW |
| DHCP | DHCP Client |
| DHCP Snooping |
| DHCP Relay |
| DHCP Server |
| DHCP Snooping option82/DHCP Relay option82 |
| ARP | Support static entries |
| Support free ARP |
| Support standard proxy ARP and local proxy ARP |
| Support Dynamic ARP Inspection |
| Support ARP anti-attack |
| Support ARP source suppression |
| Support ARP Detection function (can be checked based on DHCP Snooping security entries, 802.1x entries, or IP/MAC static binding entries) |
| Routing Protocol | Support IPv4, IPv6 static routing, RIP and other three-layer dynamic routing protocols |
| Support strategy router; |
| Support RIP v1/2, RIPng |
| Supports enhanced Layer 3 routing protocols such as equal cost routing, VRRP, OSPFv1/v2, OSPF v3, BGP, ISIS, etc. |
| IPV6 features | Support ND (Neighbor Discovery) |
| Support PMTU |
| Support ICMP v6, Telnet v6, SFTP v6, SNMP v6, BFD v6, VRRP v3 |
| Support IPv6 Portal |
| Support IPv6 tunnel |
| Multicast protocol | Support IGMP Snooping v2/v3 |
| Support IGMP Snooping Fast-leave |
| Support IGMP Snooping Group-policy |
| Support PIM-SM, PIM-SSM |
| Support PIM snooping |
| Support MVRP |
| Support MFF |
| Support enhanced three-layer multicast protocol |
| Zero configuration | Support zero configuration methods such as DHCP auto-config and CWMP-TR069 |
| Broadcast/multicast/unicast storm suppression | Support storm suppression based on port rate percentage |
| Support storm suppression based on pps |
| Support bps-based storm suppression |
| Layer 2 ring network protocol | Support STP/RSTP/MSTP protocol |
| Support STP Root Guard |
| Support BPDU Guard |
| Support ERPS Ethernet ring protection protocol (G.8032) |
| QoS/ACL | Support to limit the rate of receiving and sending packets on the port |
| Support CAR function |
| Each port supports 8 output queues |
| Support flexible queue scheduling algorithm, can be set based on port and queue at the same time, support SP, WDRR, WRR, WFQ, SP+WDRR and other modes |
| Support 802.1p and DSCP priority remarking of packets |
| Support L2 (Layer 2) ~ L4 (Layer 4) packet filtering function, providing based on source MAC address, destination MAC address, source IP (IPv4/IPv6) address, destination IP (IPv4/IPv6) address, port, protocol, VLAN Flow classification |
| Support time range (Time Range) |
| Support WRED |
| Mirror | Support stream mirroring |
| Support N:4 port mirroring |
| Support local and remote port mirroring |
| Safety features | Support user hierarchical management and password protection |
| Support centralized MAC authentication |
| Support 802.1X |
| Support storm constrain |
| Support AAA authentication |
| Support RADIUS authentication |
| Support HWTACACS |
| Support SSH 2.0 |
| Support port isolation |
| Support IP+MAC+ port binding |
| Support IP Source Guard |
| Support HTTPs |
| Support SSL |
| Support PKI (Public Key Infrastructure, public key infrastructure) |
| Support CPU protection |
| Loading and upgrading | Support XModem protocol to realize loading upgrade |
| Support FTP (File Transfer Protocol) loading upgrade |
| Support TFTP (Trivial File Transfer Protocol) loading upgrade |
| Management and maintenance | Support command line interface (CLI) configuration |
| Support Telnet remote configuration |
| Support configuration through the Console port |
| Support schedule job |
| Support ISSU |
| Support 802.1AG and 802.3AH |
| Support SNMP (Simple Network Management Protocol) |
| Support IMC network management system |
| Support system log |
| Support graded alarm |
| Support NTP |
| Support power alarm function |
| Support fan, temperature alarm |
| Support debugging information output |
| Support Ping, Tracert |
| Support Track |
| Support Telnet remote maintenance |
| Support USB for file upload and download |
