3COM 3CR17259-91 5500G-EI SuperStack 4 24-Port Gigabit + 4x SFP Switch

Dear customer,

When there might be a difference between the automatic generated specifications by the system, and the hand written/typed description, then please be aware that the only correct description is what's written by our selves here in the description.
Specifications above might be slightly different.
Thanks for your understanding.

EXCLUDING NETWORK CABLES

See photos for actual item!

Price isfor 1 item

Product Specifications

·Ports:24 auto-negotiating 10BASE-T/100BASE-TX/1000BASE-T ports, 4 of which are dual-personality operating as 10/100/1000 or Gigabit SFP; RPS power port (-48 VDC); RJ-45 console port; 2 dedicated stacking ports; 1 optional module slot

Last two combo SFP ports support up to two dual-mode Fast Ethernet SFPs

·Performance:192.0 Gbps switching capacity, 136.9 Mpps forwarding rate, maximum (with 2-port 10-Gigabit module); 107.1 Mpps forwarding rate, maximum (with no optional modules)

·Stacking:Up to 8 switch units, 448 Gigabit ports, with 16 10-Gigabit ports; 3Com XRN® Stacking linked in active/active load-sharing configuration 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:Hardware-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 and DC modes

·Convergence:Weighted Round Robin/Fair/Strict Priority Queuing, IEEE 802.1p Class of Service/Quality of Service (CoS/QoS), IPv6 classification, prioritization and filtering, ingress/egress rate limiting, webcache-based bandwidth management

·Security:RADIUS; PAP/CHAP/EAPoL (EAP over LAN) authentication; session accounting; SSH; Access Control Lists; packet filtering; SNMP v3 encryption, IEEE 802.1X Network Login; authentication, VLAN autoinitiation and QoS profiling; multilevel access privileges; administrative password recovery; management activity logs

·Operating system:3Com Operating System; shared with 3Com Switch 8800, 7700 and Router 6000

·3Com management:3Com Network Supervisor, 3Com Network Director, 3Com Enterprise Management Suite

·Other management:Web-based GUI, SNMP v1/2/3, telnet, CLI, SSH, RMON-1 (statistics, history, alarms, events), multiple software images, bank swap, statistics gathering and reporting, remote polling/ping (unicast mode only), software backup/restore, Xmodem, FTP, TFTP, telnet, IP address allocation via manual/DHCP/BOOTP

·Network debugging tools:DHCP tracker, UDP helper, traceroute, 1-1 traffic mirroring (standalone unit only)

·Built-In power supply:50/60 Hz AC; 90-240 VAC input; supports multiple power modes: AC-only, AC and DC, DC-only

Comes as shown on picture, if something is noton the picture it's not included unless stated otherwise.

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