Datasheet
5
3COM SWITCH 5500 10/100 FAMILY
Warranty 3Com Limited Lifetime Warranty. For as long as the original end user owns the product, or for five
years after 3Com discontinues the of sale of the product, whichever occurs first.
Hardware coverage Covers the complete unit including power supply and fan.
In-warranty hardware replacement* Advanced Hardware Replacement of hardware for the duration of the warranty. In the US 48
contiguous states this is same-day ship with next business day delivery when call received before
noon Pacific time. For Canada, Alaska and Hawaii, this is same-day ship when call received before
noon Pacific time. For the rest of the world, it is next-business-day ship. Actual delivery times may
vary depending on customer location. Reasonable commercial efforts apply.
Software coverage 90 days for media replacement.
Software updates* Access to releases with incremental software features and bug fixes. For the Switch 5500, updates
are all releases within the licensed 3Com OS software level.
Online Knowledgebase support* Access to online troubleshooting tool for the duration of the warranty.
* These services are not included as part of the Warranty and 3Com reserves the right to modify or cancel this offering at any time, without advance notice. This offering
i
s not available where prohibited by law. Services are effective at warranty start date, and are enabled with product registration. Customers receive a user ID with
e
Support registration.
PRODUCT WARRANTY AND OTHER SERVICES
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
LAYER 3 SWITCHING
Hardware based routing
256 static routes, in addition to default address
Address Resolution Protocol (ARP) entries: 4K dynamic, 1K static
64 IP interfaces
Routing Information Protocol (RIP), v1 and v2: 2K routes
Open Shortest Path First (OSPF):
• 2 areas with 4 virtual interfaces per area
• 2 neighbors per virtual interface
• 2 virtual links
Protocol Independent Multicast-Dense Mode (PIM-DM)
Protocol Independent Multicast-Sparse Mode (PIM-SM)
IGMP v1 and v2
Equal Cost Multipath Protocol (ECMP)
Multicast VLAN Registration (MVR)
DHCP Relay: 4 K max.
3Com XRN technology:
• Resilient stacking and fabric links up to 70 km (43.5 mi)
• Distributed Link Aggregation, hot-swappable switch units; high-speed
fully resilient trunks up to 8 Gbps
• Distributed Resilient Routing: optimized Layer 3, one routing table
per switch
Virtual Router Redundancy Protocol (VRRP)
SPECIFICATIONS








