3Com 3C17206 - SuperStack 3 Switch 4400 SE Ficha de datos - Página 3
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FEATURES
Performance
Switching Capacity
Forwarding Rate
Store-and-Forward Switching
Layer 2 Switching
MAC Address
VLAN
Link Aggregation
Auto-negotiation
Traffic Control
Spanning Tree
Multicast Snooping
Stacking
Stacking
Convergence
Priority Queues
Traffic Prioritization
Traffic Shaping
Security
Network Access and
User Security
24-port models, 8.8 Gbps; 48-port model, 13.6 Gbps
24-port models, 6.6 Mpps; 48-port model, 10.1 Mpps
Latency <2.6 µs
8K MAC addresses
Secure MAC addresses (256 addresses)
64 VLANs (IEEE 802.1Q)
IEEE 802.3ad (LACP)
Four trunk groups (up to four ports in each)
Link Aggregation across stack
Auto-negotiation of port speed, duplex, and connection (MDI/MDIX)
IEEE 802.3x full-duplex flow control
Back pressure flow control for half-duplex
Broadcast Storm Suppression (3,000 pps threshold)
IEEE 802.1D Spanning Tree Protocol (STP)
IEEE 802.1w Rapid Spanning Tree Protocol (RSTP)
• Fast-start mode
• Spanning tree enable/disable per port
IGMP v1, v2, and v3 snooping
IGMP Querier
Filtering for 128 multicast groups
Up to 384 ports
Single IP address for stack management
Resilient stacking (T-type) connectors
Hot-swappable
Four hardware queues per port
Strict priority queuing
Weighted Round Robin queuing
CoS Marking / Remarking
IEEE 802.1p to DSCP mapping
Auto classification of 3Com NBX
Priority based on:
• IEEE 802.1p CoS
• DSCP (DiffServ Code Point)
• TCP/UDP source or destination port number
• Default port priority
• IP Address / Protocol
Egress rate limiting, port-based:
• 1 Mbps increments (10/100 ports)
• 8 Mbps increments (Gigabit ports)
Application and protocol blocking
IEEE 802.1X user authentication
• RADIUS authentication
• Advanced security by locking a port to the MAC address of the authen-
ticated user
• Automatically assign VLANs and QoS profile to a port based on user
• Guest VLAN option
RADIUS Authenticated Device Access (RADA)
• Authenticate devices based on MAC address against a RADIUS server
• Authenticate multiple devices per port
• Automatically assign VLANs and QoS to a port specific to the devices
attached
• Operates alongside IEEE 802.1X authentication to ensure user and
device are allowed access
• Local authentication for up to fifty IEEE 802.1X users and RADA
devices in absence of a centralized RADIUS server
• RADA "whitelist" support enhances flexibility for IEEE 802.1X/RADA
deployment
• Option to allow default VLAN access when RADIUS server is unavailable
3COM
®
SUPERSTACK
®
3 SWITCH 4400 FAMILY
®
telephony traffic
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