5
3COM SWITCH 5500G GIGABIT FAMILY
All information in this section is relevant to all members of the
3Com Switch 5500G Gigabit family, unless otherwise stated.
CONNECTORS
48-port models
48 auto-negotiating 10BASE-T/ 100BASE-TX/1000BASE-T ports,
4 of which are dual-personality 10/100/1000 or SFP Gigabit ports
¥
IEEE 802.3af in-line power on all 10/100/1000 ports for PWR models
24-port SFP model
24 Gigabit SFP ports, 4 of which are dual-personality 10BASE-T/
100BASE-TX/1000BASE-T or SFP Gigabit ports
¥
24-port, other models
24 auto-negotiating 10BASE-T/ 100BASE-TX/1000BASE-T,
4 of which are dual-personality 10/100/1000 or SFP Gigabit ports
¥
IEEE 802.3af in-line power on all 10/100/1000 ports for PWR models
All models
Application module slot
2 XRN Stacking ports (each 48Gbps full-duplex)
Redundant power supply (-48 VDC) connector
RJ-45 console port
PERFORMANCE
48-port
232.0 Gbps switching capacity, max. (with 2-port 10-Gigabit module)
172.6 Mpps forwarding rate, max. (with 2-port 10-Gigabit module)
142.3 Mpps forwarding rate, max. (with no optional modules)
24-port
184.0 Gbps switching capacity, max. (with 2-port 10-Gigabit module)
136.9 Mpps forwarding rate, max. (with 2-port 10-Gigabit module)
107.1 Mpps forwarding rate, max. (with no optional modules)
All models
Wirespeed performance across all ports within stack or fabric
Store-and-forward switching; latency <10 µs
96 Gbps full-duplex resilient stacking bandwidth
LAYER 2 SWITCHING
16K MAC addresses in address table
1K static MAC addresses, in addition to default address
Jumbo Frame support
4,094 port-based IEEE 802.1Q VLANs
IEEE 802.1 Q-in-Q double-tagged VLANs
IEEE 802.1v protocol-based VLANs
MAC-based VLANs using RADA auto-VLAN assignment
Auto-voice VLAN for automatic vendor-independent segregation
and prioritization of VoIP traffic
IEEE 802.3ad Link Aggregation Control Protocol (LACP); automated and
manual aggregation
Link aggregation trunk groups, per switch:
• 32 groups
• 8 10/100/1000 ports or 4 10-Gigabit ports per group
• 32 Distributed Link Aggregation (DLA) groups
Auto-negotiation and manual configuration of port speed and duplex
IEEE 802.3x full-duplex flow control
Back pressure flow control for half-duplex
Unidirectional Link Detection (UDLD)
Broadcast, Multicast and Unicast traffic suppression
Wake-on-LAN support
IEEE 802.1D Spanning Tree Protocol (STP)
IEEE 802.1w Rapid Spanning Tree Protocol (RSTP)
IEEE 802.1s Multiple Spanning Tree Protocol (MSTP)
Bridge Protocol Data Unit (BPDU) protection
Spanning Tree root guard
Internet Group Management Protocol (IGMP) v1, 2 and 3 snooping
IGMP querier
Filtering for 256 multicast groups
Dynamic host Configuration Protocol Relay (DhCP) Option 82
LAYER 3 SWITCHING
SPECIFICATIONS
SERVICE AND SUPPORT
3Com Global Services offers the resources and talents
of a major corporation plus more than two decades of
experience in resolving network challenges and
delivering business benefits to enterprises around
the world.
Global support with a personalized focus in the local
language helps drive productivity and minimize
expenses. Because 3Com understands both the
technology and the business, we’re the partner you
need to maintain your competitive edge and remain
strong.
Additional Service, Support and Training Offerings
3Com Guardian
SM
Maintenance Service
This service provides comprehensive on-site support and
includes advance hardware replacement, expedited telephone
technical support and software upgrades
3Com Express
SM
Maintenance Service
This service provides speedy access to 3Com shipment of
advance hardware replacements (including a four-hour
option), expedited telephone technical support and software
upgrades
Network Health Check
An activity-auditing service focused on improving network
performance and productivity
Includes traffic monitoring, utilization analysis, problem
identification, and asset deployment recommendations
Extensive report provides blueprint for action
Network Installation and Implementation Services
Experts set-up and configure equipment and integrate
technologies to maximize functionality and minimize business
disruption
For large and complex sites, implementation services include
personalized configuration, project management, extended
testing and coaching on network administration
Project Management
Provides extra focus and resources that special projects
demand
3Com engineers manage entire process from initial
specifications to post-project review
Using structured methodology, requirements are identified,
projects planned and progress of implementation activities
tracked
3Com University
Self-paced and instructor-led technology and product
courses, plus certification programs
