project | S2928 | S2952 | S2956 |
Whole machine exchange capacity | 256Gbps | 256Gbps | 256Gbps |
Whole machine packet forwarding rate | 96Mpps | 138Mpps | 180Mpps |
MACcapacity | 16K | 32K | 32K |
Port description | 1ConsolePorts, 24 Gigabit electrical ports, 4 multiplexed Gigabit/100M adaptive SFP optical ports, 4 10 Gigabit/Gigabit adaptive SFP+ optical ports | 1Mini usbConsole port, 48 Gigabit electrical ports, 4 Gigabit SFP optical ports, 4 10 Gigabit/Gigabit adaptive SFP+ optical ports | 1Mini usbConsole port, 48 Gigabit electrical ports, 8 Gigabit/Gigabit adaptive SFP+ optical ports |
Chassis size mm(width× deep× high) | 440×180×44 | 442.5×315×44 | 442.5×315×44 |
Full load power consumption | <40W | <55W | <55W |
power supply | AC: 100V-240V, 50Hz±10% DC:-36V~-72V |
Environmental requirements | Working temperature/Humidity: 0℃-50℃, 10%-90% non-condensing Storage temperature/Humidity: -20℃-70℃; 5%-95% non-condensing |
MACExchange function | Support static configuration and dynamic MAC learningaddress Support view and clear MACaddress MACConfigurable address aging time Support MACLimit on the number of addresses to learn Support MACAddress filtering function Support black hole MACTable entry |
VLAN | Support 4K VLANTable entry Support GVRP Support 1:1 and N: 1 VLAN Mapping Support QinQAnd flexible QinQ function Support Private VLAN |
STP | Support 802.1D(STP), 802.1W(RSTP), 802.1S(MSTP) Support BPDUProtection, root protection, loop protection |
Multicast | Support IGMP v1/v2/v3 Support IGMP Snooping Support IGMP Fast Leave Support multicast group policy and limit on the number of multicast groups Support multicast traffic across VLANcopy |
IPv6 | Support ICMPv6, DHCPv6, ACLv6, IPv6 Telnet Support IPv6Neighbor discovery Support Path MTUdiscover Support MLD v1/v2 Support MLD Snooping |
QoS | Support based on L2/L3/L4Traffic classification of each field in the protocol header Support CARTraffic restrictions Support 802.1P/DSCPPriority re-marking Support SP, WRR, SP+WRR and other queue scheduling methods Support Tail-Drop, WRED and other congestion avoidance mechanisms Support traffic monitoring and traffic shaping |
Safety features | Support based on L2/L3/L4ACL flow identification and filtering security mechanism Support anti-DDoSAttacks, TCP SYN Flood attacks, UDP Flood attacks, etc. Supports suppression of multicast, broadcast, and unknown unicast messages Support port isolation Support port security, IP+MAC+Port binding Support DHCP Snooping, DHCP Option 82 Support IEEE 802.1xCertification Support Radius, BDTacacs+ certification Support command line hierarchical protection |
reliability | Support static/LACPWay link aggregation Support EAPS, ERPS Ethernet Ring Network Protection Protocol Support ISSUUninterrupted business system upgrade |
Management and maintenance | Support Console, Telnet, SSH 2.0 Support browser-based WEBWay management Support SNMP v1/v2/v3 Support TFTPWay of file upload and download management Support RMONEvent history |