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Product Description

3COM 3C16857R Switch 7700 64 Gbps Switch Fabric. Sub-one-second fabric failover. Plug-in module. Ethernet 10Base-T / 100Base-TX RJ-45. Layer 3 and 2 switching; IP-routing; DHCP support; ARP support; VLAN support. Alternative name: 3C16857R-US

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Condition: Refurbished
Packaging: Single Box

Availability: Out of stock



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  • Sub-one-second fabric failover
  • Network protocols supported: TCP/IP, ARP/Proxy ARP, DHCP
  • Multicast protocol support: GARP/GVRP/GMRP, IGMP, PIM-DM/SM
  • IP routing: RIP (V1/V2), OSPF V2
  • Higher bandwidth and added reliability through link aggregation to create virtual connections
  • Logical segmentation of the network supported by VLAN. Multiple overlapping tagged VLANs support aggregated links and extension throughout the network
  • Improved network security and bandwidth availability with static routes; default route is used to shorten time for route selection
  • Quality of Service (QoS) functions: traffic classification, DiffServ service, IEEE 802.1p service, traffic bandwidth limitation, and traffic bandwidth guarantee
  • System configuration: English CLI through console port for local or remote Telnet or SNMP v3 access. Plain ASCII text configuration files enable faster setup of multiple similar systems. RMON and SMON support
  • System maintenance: status indicators for the module and each interface, hardware watchdog to protect against system software failure, hierarchical user authority, operation log and online help functions, alarm level management and alarm filtering functions, query of system status. Debugging and tracing functions provide real-time monitoring of system operational status
  • System test and diagnosis: power-on self-test and command test; current status of system modules, cards, ports, chips and tasks; query memory space, address table, packet buffer, flash memory capacity, queue and current message number; supports loopback test at different levels from card to port
  • Software upgradability: multiple software upgrade modes via Switch Fabric Console


Switch Fabric Layer 2:Backplane: 96 Gbps; max bandwidth: 64 Gbps; max throughput: 48 Mpps
Switch Fabric Layer 3:Layer 3 interfaces: 64; IP routing at 48 Mpps; IP routing entries: 64k
Failover time:Sub-one-second
Board Dimensions:Length: 366.7mm (14.4 in), width: 340mm (13.4 in)
Max Power Consumption:80W
Product Supports:3Com Switch 7708R 8-Slot Starter Kit Product # 3C16852