Switch 5500G-EI SFP 24-Port
PI DATE: September 2006
PORTS: 20 x SFP Gig ports; 4 x Dual-personality SFP Gig or 10/100/1000
auto-nego 10B-T/100B-TX/1000B-T ports config as auto MDI/MDIX;
RPS power port (-48 VDC); RJ-45 console port;
2 x Dedicated stacking ports; 1 opt module slot
STACKING: Up to 8 switch units, 448 Gigabit ports, with 16 10-Gig ports;
3Com XRN Stacking linked in active/active load-sharing config
via built-in dedicated 48 Gbps stacking ports (96 Gbps full duplex)
LAYER 2: IEEE 802.Q VLANs, 802.3ad LACP, 802.3x full-duplex flow control,
802.1D STP, 802.1w RSTP, Fast Start with BDPU protection,
IGMP v1/v2 multicast filtering
LAYER 3: HW-based routing, ECMP, ARP, virtual interfaces, static/dynamic
routing, RIPv1/v2, OSPF, ASIC Layer 3 forwarding, PIM-DM, PIM-SM,
IGMP v1/v2 snooping, DHCP Relay
RESILIENCY: IEEE 802.3ad LACP, hot-swappable switch units, DC RPS provides
N+1 power redundancy, seamless failover between AC & DC modes
CONVERGENCE: Weighted Round Robin/Fair/Strict Priority Queuing, IEEE 802.1p
CoS/QoS, IPv6 classification, prioritization & filtering,
ingress/egress rate limiting, webcache-based bandwidth managem
SECURITY: RADIUS; PAP/CHAP/EAPoL (EAP over LAN) authentication; session
accounting; SSHv1.5; Access Control Lists; packet filtering;
SNMP v3 encryption, IEEE 802.1X Ntwk Login; authentication,
VLAN autoinitiation & QoS profiling; multilevel access privilege
Admin password recovery; management activity logs
OS : 3Com Operating System; shared with 3Com Switch 8800, 7700 & Router 600