| S5720-32X-EI-24S-DC specifications |
| Switching Capacity | 598 Gbit/s |
| Forwarding Performance | 102 Mpps |
| DRAM and Flash Memory | SDRAM: 2 GB |
| Flash: 340 MB |
| MAC Address Table | 64k |
| Fixed Ports | 24 x 100/1,000 Base-X SFP, 4 x 10/100/1,000 Base-T, 4 x 10 Gig SFP+ |
| Extended Slot | NA |
| DRAM and Flash | SDRAM: 2 GB |
| Flash: 340 MB |
| MAC Address Table | IEEE 802.1d |
| 64K MAC address entries |
| MAC address learning and aging |
| Static, dynamic, and blackhole MAC address entries |
| Packet filtering based on source MAC addresses |
| VLANs | 4K VLANs |
| Guest VLAN and voice VLAN |
| GVRP |
| MUX VLAN |
| VLAN assignment based on MAC addresses, protocols, IP subnets, policies, and ports |
| 1:1 and N:1 VLAN mapping |
| VLAN-based transparent transmission of protocol packets |
| Jumbo Frame | 12K |
| Ring Protection | RRPP ring topology and RRPP multi-instance |
| Smart Link tree topology and Smart Link multi-instance, providing millisecond-level protection switchover |
| Smart Ethernet Protection (SEP), G.8032 Ethernet Ring Protection Switching (ERPS) |
| STP (IEEE 802.1d), RSTP (IEEE 802.1w), and MSTP (IEEE 802.1s) |
| BPDU protection, root protection, and loop protection |
| BPDU tunnel |
| MPLS | MPLS L3VPN |
| MPLS L2VPN (VPWS/VPLS) |
| MPLS-TE |
| MPLS QoS |
| IP Routing | Static routing, RIPv1/v2, RIPng, OSPF, OSPFv3, IS-IS, IS-ISv6, BGP, BGP4+, ECMP, and policy-based routing |
| IPv6 Features | Neighbor Discovery (ND) |
| Path Maximum Transmission Unit (PMTU) |
| IPv6 Ping, IPv6 Tracert, and IPv6 Telnet |
| 6to4 tunnel, ISATAP tunnel, and manually configured tunnel |
| ACLs based on source IPv6 addresses, destination IPv6 addresses, Layer 4 ports, or protocol types |
| Multicast Listener Discovery (MLD) v1/v2 snooping |
| Multicast Forwarding | IGMP v1/v2/v3 snooping and IGMP fast leave |
| Multicast forwarding in a VLAN and multicast replication between VLANs |
| Multicast load splitting among trunk member ports |
| Controllable multicast |
| Layer 2 multicast control |
| Port-based multicast traffic statistics collection |
| IGMPv1/v2/v3, Protocol Independent Multicast Sparse Mode (PIM-SM), and Protocol Independent Multicast Dense Mode (PIM-DM), and Protocol Independent Multicast Source-Specific Multicast (PIM-SSM) |
| Multicast Source Discovery Protocol (MSDP) |
| QoS/ACL | Inbound and outbound traffic rate limiting on a port |
| Packet redirection |
| Broadcast storm control |
| Port-based traffic policing and two-rate and three-color CAR |
| Eight queues per port, Weighted Round Robin (WRR), Deficit Round Robin (DRR) |
| Strict Priority (SP), WRR + SP, and DRR + SP queue scheduling algorithms |
| Weighted Random Early Detection (WRED) |
| Re-marking of the 802.1p priority and DSCP value of packets |
| Packet filtering based on Layer 2 to Layer 4 information, including source MAC addresses, destination MAC addresses, source IP addresses, destination IP addresses, TCP/UCD source/destination ports, protocol types, and VLAN IDs |
| Per queue rate limiting and interface traffic shaping |
| 1:1, N:1, N:4 port mirroring |
| VLAN mirroring |
| Security Features | Hierarchical user management and password protection |
| DoS attack defense, ARP attack defense, and ICMP attack defense |
| Binding of the IP address, MAC address, interface number, and VLAN ID of a user |
| Port isolation, port security, and sticky MAC |
| MAC Forced Forwarding (MFF) |
| Blackhole MAC address entries |
| Limit on the number of learned MAC addresses |
| IEEE 802.1x authentication and the 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 |
| MACSec |
| Access Security | DHCP Relay |
| DHCP Server |
| DHCP Snooping |
| DHCP Client |
| DHCP Security |
| Port Aggregation | LACP |
| Up to 128 trunk groups |
| Up to 8 member interfaces in each trunk group |
| Reliability | Ethernet OAM (IEEE 802.3ah and 802.1ag) |
| ITU-Y.1731 |
| BFD for BGP/IS-IS/OSPF/static route |
| Management and Maintenance | iStack |
| Virtual cable test |
| SNMPv1/v2c/v3 |
| RMON/RMON2 |
| Web-based network management system |
| System logs and multi-level alarms |
| sFlow |
| LLDP/LLDP-MED |
| Secure Copy Protocol (SCP), TFTP, FTP |
| Store dual software images and configuration files |
| 802.3az Energy Efficient Ethernet (EEE) |
| Interoperability | VLAN-based Spanning Tree (working with PVST/PVST+/RPVST) |
| Link-type Negotiation Protocol (LNP), similar to the Dynamic Trunking Protocol (DTP) |
| VLAN Central Management Protocol (VCMP), similar to the VLAN Trunk Protocol (VTP) |
| Surge Protection | Surge protection capability of service ports: 6 kV |
| Operating Environment | Operating temperature: |
| Zero to 1,800m altitude: 0°C to 45°C |
| 1,800m to 5,000m altitude: Operating temperature reduces by 1°C for every altitude increase of 220m. |
| Relative humidity: 5% to 95% (non-condensing) |
| Input Voltage | DC: |
| Rated voltage range: –48V to –60V |
| Maximum voltage range: –36V to –72V |
| Dimensions (W x D x H) | 442 mm x 220 mm x 43.6 mm |
| Front Power Input | Yes |
| Typical Power Consumption | 55.5W |
