3Com 4200G Series Datenblatt - Seite 5
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5
SPECIFICATIONS
All information in this section is relevant to all members of the
3Com Switch 4200G Gigabit family, unless otherwise stated.
CONNECTORS
12-port
12 auto-negotiating 10BASE-T/100BASE-TX/1000BASE-T ports,
4 of which are dual-personality 10/100/1000 or SFP ports
1 rear slot for direct 10-Gigabit XENPAK transceiver or for 10-Gigabit mod-
ule (XFP)
24-port
24 auto-negotiating 10BASE-T/100BASE-TX/1000BASE-T ports,
4 of which are dual-personality 10/100/1000 or SFP ports
2 rear slots for direct 10-Gigabit XENPAK transceiver or for 10-Gigabit
module (XFP)
PWR version supports Power over Ethernet on 10/100/1000 ports
48-port
48 auto-negotiating 10BASE-T/100BASE-TX/1000BASE-T ports,
4 of which are dual-personality 10/100/1000 or Gigabit ports
2 rear slots for direct 10-Gigabit XENPAK transceiver or for 10-Gigabit
module (XFP)
PERFORMANCE
12-port
44 Gbps switching capacity (max.), 32.7 Mpps forwarding rate (max.)
24-port
88 Gbps switching capacity (max.), 65.5 Mpps forwarding rate (max.)
48-port
136 Gbps switching capacity, (max.), 101.2 Mpps forwarding rate (max.)
All models
Wirespeed performance across ports in full mesh configuration
Store-and-forward switching; latency <10 µs
Support for Gigabit and Fast Ethernet dual-mode SFP transceivers
LAYER 2 SWITCHING
16K MAC addresses in address table
1,024 static MAC addresses (in addition to default address)
Jumbo Frame support
4,094 Port-based VLANs (IEEE 802.1Q)
IEEE 802.3ad Link Aggregation Control Protocol (LACP); automated and
manual aggregation
GARP VLAN Registration Protocol (GVRP)
Local switch log-in password
Switch login via RADIUS
Trusted IP Management Addresses
Isolated port in VLAN
Blackhole MAC address
Auto-VLAN assignment based on log-in
6 trunk groups per switch
8 10/100 ports or 2 Gigabit ports per group
Auto-negotiation of port speed and duplex IEEE 802.3x full-duplex
flow control
Back pressure flow control for half duplex
IEEE 802.1D Spanning Tree Protocol (STP)
IEEE 802.1w Rapid Spanning Tree Protocol (RSTP)
Bridge Protocol Data Unit (BPDU) protection
Internet Group Management Protocol (IGMP) snooping (v1, 2 and 3) on
Layer 2 interfaces
Filtering for 128 multicast groups
IEEE 802.1s Multiple Spanning Tree Protocol
Spanning Tree enable / disable per port
Spanning Tree fast-start mode
LAYER 3 SWITCHING
DHCP snooping
Hardware based routing
32 static routes
8 IP interfaces
3COM SWITCH 4200G GIGABIT FAMILY
CONVERGENCE
Eight hardware queues per port
Weighted Round Robin queuing
Strict Priority queuing
IEEE 802.1p Class of Service/Quality of Service (CoS/QoS) on egress
Traffic shaping with port-based egress rate limiting
Application and protocol blocking
Auto VLAN assignment for voice traffic determined by vendor OUI
SECURITY
IEEE 802.1X Network login user authentication:
• EAP over LAN (EAPoL) transport with EAP-MD5, PAP, CHAP, PEAP
and EAP-TLS authentication
• Multiple users per port
• 1,024 online users, max.
Local and RADIUS server authentication
RADIUS session accounting
TACACS+ network login
Automatic VLAN assignment via RADIUS server
Wirespeed packet filtering in hardware
ACLs filter at Layers 2, 3 and 4:
• Source/destination MAC address
• Ethernet type
• Source/destination IP address
• Source/destination TCP port
• Source/destination UDP port
RADIUS Authenticated Device Access (RADA): authenticate devices based
on MAC address against RADIUS server and assign VLAN ID and ACL
Port-based MAC address Disconnect
Unknown Device (DUD)
ARP attack detection and suppression
Web authentication
IEEE 802.1X user authentication of switch management on switch Telnet
and console sessions; four access privilege levels
Hierarchical management and password protection for management inter-
face
SNMP v3 encryption
SSH v2
Denial of Service protection
CLUSTERED STACKING
Single IP address and management interfaces for centralized control
Up to 32 devices per cluster across 3Com Switch 4210, 4200G, 4500,
4500G, 4800G, 5500 and 5500G devices
The 3Com Switch 4200G 1-Port 10-Gigabit Module (XFP) 3C17666
shown above adds one XFP-based 10-Gigabit port to the rear of a
Switch 4200G system as a high-bandwidth link for connections to high
speed network backbones or other peer switches or servers. An XFP
transceiver, sold separately, is required to support the desired
connection's fiber media.