3com 3CR16708-91-US Data Sheet
2
3COM OFFICECONNECT MANAGED SWITCH 9 FAMILY
KEY BENEFITS
(continued)
FEATURES AND BENEFITS
PERFORMANCE
3.6 Gbps switching capacity
2.69 Mpps forwarding rate
LAYER 2 SWITCHING
MAC Address
8K MAC addresses
VLAN
60 VLANs (IEEE 802.1Q)
Auto-negotiation
Auto-negotiation of port speed, duplex, and connection (MDI/MDIX)
Traffic control
IEEE 802.3x full-duplex flow control
Back pressure flow control for half-duplex
Broadcast Storm Suppression (3,000 pps default threshold)
Spanning Tree
IEEE 802.1D Spanning Tree Protocol (STP)
IEEE 802.1w Rapid Spanning Tree Protocol (RSTP)
• Fast-start mode
• Spanning tree enable/disable per port
Multicast Snooping
IGMP v1, v2.
IGMP Querier
Filtering for 128 multicast groups
CONVERGENCE
Priority Queues
Four hardware queues per port
Weighted Round Robin queuing
Traffic Prioritization
CoS Marking / Remarking
IEEE 802.1p to DSCP mapping
Auto classification of 3Com NBX
®
telephony traffic
Priority based on:
• IEEE 802.1p CoS
• DSCP (DiffServ Code Point)
• TCP/UDP source or destination port number
• Default port priority
• IP Address / Protocol
Traffic Shaping
Egress rate limiting, port-based:
• 1 Mbps increments (10/100 ports)
• 8 Mbps increments (Gigabit ports)
Application and protocol blocking
Power over Ethernet
Ports 1, 2, 5 and 6 supports IEEE 802.af
NETWORK CONTROL
Network management is available through an embedded web and command line interface (CLI), or via an SNMP
management station. Supported by the range of 3Com management offerings including 3Com Network Supervisor.
management station. Supported by the range of 3Com management offerings including 3Com Network Supervisor.