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28 Port Gigabit Full Managed Switch

  • DS-3E2528 supports the telecom-level Ethernet-ring protection protocol with a protection shift time of less than 50ms, STP/RSTP, backup of active and standby uplinks, and LACP link aggregation to cater to the requirements of high reliability of carriers;
  • DS-3E2528 has powerful ACL functions to access and control L2-L7 data, providing carriers flexible and various policy control methods;
  • DS-3E2528 supports In-Service Software Upgrade (ISSU) to ensure the unremitting data forwarding during system upgrade;
  • DS-3E2528 supports various L2 multicast functions such as IGMP-snooping, user fast-leave mechanism and trans-vlan multicast copy;
  • DS-3E2528 supports priority retagging and complicated flow classification based on VLAN, MAC, source address, destination address, IP or priority to better streamline carrier’s services;
  • DS-3E2528 provides flexible bandwidth control policies, supporting port-/flow-based flow limit, and ensuring the line speed forwarding of each port to make sure the high quality of network services;
  • DS-3E2528 supports multiple queue schedule algorithms such as SP, WRR, or “SP plus WRR”;
  • Equipment-level security: The advanced hardware infrastructure design realizes the level-based packet schedule and packet protection, prevents DoS-/TCP-related SYN Flood, UDP Flood, Broadcast Storm or large traffic attacks, and supports level-based command line protection, endowing different levels of users with different management permissions;
  • Perfect security authentication mechanisms: IEEE 802.1x, Radius and BDTacacs+;
  • DS-3E2528 supports storm/multicast/unicast limit which ensures the normal running of equipment in harsh network conditions;
  • DS-3E2528 supports perfect ring detection mechanism which ensures the long-term stable running of network;
  • DS-3E2528 supports port isolation within the same VLAN, DHCP-Snooping, and IP plus MAC plus Port binding for ensuring user data security;
  • DS-3E2528 supports many management modes such as the console port, Telnet, SSH;
  • DS-3E2528 supports the WEB management mode, which is easy and efficient so that it makes installation and debugging convenient;
  • DS-3E2528 supports TFTP-patterned file upload/download management;
  • L2 fullmanaged
  • Port number24 × 10/100/1000Base-T ports,4 1000Base-X SFP port,1 Console port
  • Switching capacity56Gbps
  • Packet forwarding rate42Mbps
  • MAC address table8K
  • Dimensions(L×H×D)440 mm×45 mm×230 mm
  • Consumption<15W
  • Power supplyAC:100V-240V,50Hz±10%
  • EnvironmentOperating temperature/humidity:0℃-45℃,5%-95% non-condensing;Storage temperature/humidity:-20℃-70℃;5%-95% non-condensing
  • MAC exchangeStatic configuration and dynamic MAC learning;MAC browsing and removal;Configurable aging time of the MAC address;Limited number of learnable MAC addresses;MAC ffiltration
  • STP802.1D(STP);802.1W(RSTP) and 802.1S(MSTP);BPDU protection,root protection,and loopback protection
  • MulticastIGMP v1/v2/v3;IGMP snooping;IGMP Fast leave;Multicast group strategy and quantity limitation
  • QoSFlow classification based on L2~4 protocols;CAR flow limit;802.1P/DSCP priority re-labeling;SP,WRR,and "SP+WRR";Congestion avoidance mechanisms like Tail-Drop and WRED;Flow monitoring and flow shaping
  • SecurityL2/L3/L4 ACL flow identification and filtration;DDoS attack prevention,TCP`s SYN Flood attack prevention,UDP Flood attack prevention,etc;Broadcast/multicast/unknown unicast storm-control;Port isolation;Port security,and "IP+MAC+port" binding
  • ReliabilityStatic/LACP link aggregation;EAPS AND ERPS
  • ManagementConsole,Telnet,SSH2.0,Web;SNMP v1/v2/v3;TFTP;RMON
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