6
3COM SWITCH 4800G GIGABIT FAMILY
Forwarding (DSCP EF) remarking for prioritization of VoiP traffic
Application rate limiting, inbound and outbound; Committed Access Rate
(CAR) with granularity of 64 kbit/sec.
Restricted packet sending and receiving rates with granularity of
64 kbits/sec.
Storm suppression based on port rate percentage and pps
Port-based traffic shaping on egress
Queue-based traffic shaping on egress
Wake-on-LAn support
iEEE 802.3af Power over Ethernet standards-compliant (PWR models)
SECURITY
iEEE 802.1X network login user authentication:
• Local, RADiUS, or server authentication
• Port-based, MAC-based and trunk port authentication
• PAP, ChAP, EAP over LAn (EAPoL), EAP-tLS/ttLS, EAP-MD5 and PEAP
• Automatic port assignment of VLAns, ACLs and QoS profile based on user
• Multiple users per port
• 1,024 max online users
• Guest VLAn option
• Multiple authentication server realm definitions
isolate user VLAns
Centralized MAC address authentication
AAA authentication
iEEE 802.1X or user authentication of switch management on
tELnEt and console sessions
RADiUS/ session accounting
RADiUS Authenticated Device Access (RADA): authenticate devices based
on MAC address against RADiUS server or local database
Combined MAC and iEEE 802.1X authentication on same port
Black-hole MAC addresses
DhCP tracker
DhCP snooping, including DhCP trust
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
User-defined ACL filters
VLAn-based ACLs
Port-based MAC address Disconnect
Unknown Device (DUD)
ARP inspection and iP source guard
ARP spoofing prevention
Unicast Reverse Path Forwarding (URPF)
MD5 cipher-text and clear-text authentication for OSPF v2 and RiP v2
packets and SnMP v3 traffic
hierarchical management and password protection for management
interface and encrypted traffic, with SnMP v3, SSL, and SSh v2
4 local user access privilege levels
trusted management station iP and/or MAC address
Encoded Archival Description (EAD)
Denial of service protection
STACKING
Use optional CX4 or XFP connections for high-bandwidth stacking of
multiple units
Resilient stacking; full duplex bandwidth of 96 Gbps when using CX4
cables and link aggregation (48 Gbps without aggregation); 40 Gbps when
using 10-Gigabit connections
Single iP address and management interfaces for stack-wide control
hot-swappable, closed-loop resilient stacking
Distributed Resilient Routing with router tables in all units; no
master/slave arrangement
Combine any Switch 4800G models into a single stack, up to 9-high, when
using XRn technology
Clustered stacking technology: single iP management for up to 255 devices
from different 3Com switch families, including Switch 5500G, 5500, 4800G,
4500G, 4500, 4200G and 4210
MANAGEMENT
Single console interface
Configuration via CLi (Command Line interface), Console port, Simple
network Management Protocol (SnMP), embedded web interface
Remote configuration via tELnEt
Embedded web management interface
System configuration with SnMP v1, 2c and 3
Comprehensive statistics, including ACL/QoS and iP interface
Syslog
iPv4 management including ping, traceroute, tELnEt, and remote ping
iPv6 management including pingv6, tracertv6, telnetv6, tFtPv6, DnSv6
and ARPv6
iPv6 management interface iP address configuration
Remote Monitoring (RMOn) groups statistics, history, alarm and events
DhCP server including options 60, 82 and 184
Supports multiple software images and bank swap, stored in non-volatile
memory
1-to-1 port mirroring
Many-to-1 port mirroring
VLAn-to-1/flow-based port mirroring
Remote port mirroring (RSPAn)
Ability to apply ACL to mirror port and forward only certain traffic types
Detailed alarm and debug information
Front panel indicators for port and unit status information
Configuration file for backup and restore, stored in non-volatile
memory; multiple configuration files available
Backup and restore of software images
network time Protocol (ntP)
DhCP Relay and UDP helper
System file transfer mechanisms: Xmodem, FtP, Secure FtP (SFtP),
trivial FtP (tFtP)
Virtual Cable test (VCt) function
Link Layer Discovery Protocol (LLDP) and LLDP-MED
sFlow
Power alarms; fan and temperature alarms
Debugging information output
Device Link Detection Protocol (DLDP)
Port loopback detection
Management applications:
• 3Com intelligent Management Center (iMC)
• 3Com network Supervisor (3nS)
• 3Com network Director (3nD)
• 3Com Enterprise Management Suite (EMS)
• QuidView network Management Systems (nMS)
DIMENSIONS
height: 43.6 mm (1.7 in or 1 RU)
Width: 440.0 mm (17.4 in)
Depth:
24- and 48-port non-PWR: 300.0 mm (11.8 in)
24- and 48-port PWR: 420.0 mm (16.5 in)
24-port SFP: 360.0 mm (14.2 in)
Weight:
Switch 4800G 24-Port: 4.0 kg (8.8 lbs)
Switch 4800G 48-Port: 4.5 kg (9.9 lbs)
Switch 4800G PWR 24-Port: 6.0 kg (13.2 lbs)
Switch 4800G PWR 48-Port: 6.5 kg (14.3 lbs)
Switch 4800G 24-Port SFP: 6.3 kg (13.9 lbs)
POWER SUPPLY
AC
Rated voltage range: 100 V to 240, 50/60 hz
SPECIFICATIONS
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