3Com 3CR17172-91 Datasheet - page 5
5
3COM SWITCH 5500 10/100 FAMILY
All information in this section is relevant to all members of the
3Com Switch 5500 10/100 family, unless otherwise stated.
CONNECTORS
52-port models
48 auto-negotiating 10BASE-T/100BASE-TX ports configured as
auto-MDI/MDIX; IEEE 802.3af in-line power for PWR models
4 Gigabit SFP ports
28-port non-FX models
24 auto-negotiating 10BASE-T/100BASE-TX ports configured as
auto-MDI/MDIX; IEEE 802.3af in-line power for PWR models
4 Gigabit SFP ports
28-port FX
24 SFP ports, to be populated with 100BASE-X SFP multi- or
single-mode transceivers
2 auto-negotiating 10BASE-T/100BASE-TX/1000BASE-T ports
configured as auto-MDI/MDIX
2 Gigabit SFP ports
PERFORMANCE
52-port
17.6 Gbps switching capacity, max.
13.1 Mpps forwarding rate, max.
28-port
12.8 Gbps switching capacity, max.
9.5 Mpps forwarding rate, max.
All models
Switch fabric bandwidth: 32 Gbps
Wirespeed performance across all ports within stack or fabric
Store-and-forward switching; latency <10 µs
2 Gbps full-duplex stacking bandwidth
LAYER 2 SWITCHING
16K MAC addresses in address table
256 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
IEEE 802.3ad Link Aggregation Control Protocol (LACP);
automated and manual aggregation
Link aggregation trunk groups, per switch:
• 26 (52-port); 14 (28-port)
• 8 10/100 ports or 8 SFP ports per group
• 8 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
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