3Com 3CR17402-91 Технічний паспорт - Сторінка 2
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3 C OM
®
SUP ER STACK
Features
PERFORMANCE
Backplane Capacity
Forwarding Rate
LAYER 2 SWITCHING
MAC Address
VLAN
Link Aggregation
Auto-negotiation
Traffic Control
Jumbo Frames Support
CONVERGENCE
Priority Queues
QoS
Rate Limiting
Multicast
SECURITY
Network and Switch Login
Packet Filtering
Switch Management
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2
®
3 SWI TCH 38 0 0 FAM I LY
SuperStack 3 Switch 3812: 24 Gbps; Switch 3824: 48 Gbps; Switch 3848: 96 Gbps
SuperStack 3 Switch 3812: 17.8 Mpps; Switch 3824: 35.7 Mpps; Switch 3848: 71.0 Mpps
Store-and-forward switching
16K MAC addresses
Secure MAC addresses (1,024 addresses)
255 VLANs (IEEE 802.1Q)
Manual and Automatic (LACP) as per IEEE 802.3ad
Auto-negotiation of port speed, duplex, and connection (MDI/MDIX)
IEEE 802.3x full-duplex flow control
Back pressure flow control for half-duplex
9K packets
Eight hardware queues per port
Weighted Round Robin queuing
Strict priority queuing
Priority based on:
• User-specified MAC address range
• User-specific IP address
• DSCP (DiffServ Code Point)
• IEEE 802.1p Class of Service (CoS) priority
• TCP/UDP destination port number
• Default port priority
Auto classification of 3Com IP telephony solutions traffic
Ingress and egress rate limiting, port-based:
• 1 Mbps increments from 1M to line rate
Multicast snooping filtering
256 multicast groups
IGMP v1 and v2
IGMP Query
IEEE 802.1X user authentication
• RADIUS authentication
• Secure mode (locks MAC address)
Wirespeed packet filtering in hardware
Port-based Access Control Lists (ACLs)
Supports a maximum of 100 ACL rules per system (DSCP and TCP/UDP port-based CoS)
ACLs filter on source/destination IP address
RADIUS management of switch passwords
Trusted IP management addresses
Telnet
SSH v1, v2 (56 bit DES)
SSL (HTTPS)
• 40 bit
• 56 bit DES
F R E E D O M T O C H O O S E A B E T T E R N E T W O R K