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| Brand | 3com |
|---|---|
| Model | 3CR17771-91 |
| Standards | IEEE 802.1D (STP) IEEE 802.1p (CoS) IEEE 802.1Q (VLANs) IEEE 802.1w (RSTP) IEEE 802.1X (Security) IEEE 802.3 (Ethernet) IEEE 802.3ab (1000BASE-T) IEEE 802.3ad (Link Aggregation) IEEE 802.3i (10BASE-T) IEEE 802.3u (Fast Ethernet) IEEE 802.3x (Flow Control) IEEE 802.3z (1000BASE-X) IEEE 802.3af (Power over Ethernet) |
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| Primary Ports | 24 x 10BASE-T/100BASE-TX/1000BASE-T ports 4 of which are dual-personality 10/100/1000 or SFP Gigabit ports |
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| Primary Port Speed | 10/100/1000Mbps |
| VLAN Support | Yes |
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| Security | IEEE 802.1X network login, local and RADIUS server authentication, automatic VLAN assignment via RADIUS server, Access Control Lists (ACLs); |
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| Power | 100~240VAC, 50/60Hz |
| Features | Performance: 128.0 Gbps switching capacity, with 95.2 Mpps forwarding rate (maximum) Layer 2 switching: full-rate nonblocking on all ports, full-/half-duplex autonegotiation, flow control, multicast filtering, IEEE 802.1Q VLAN support, IEEE 802.1p traffic prioritization, IEEE 802.3ad Link Aggregation Control Protocol, IGMP snooping Layer 3 switching: hardware-based, dynamic routing; Power over Ethernet: IEEE 802.3af PoE injection into Category 5 or 5e LAN wiring 3Com management: 3Com Network Supervisor, 3Com Network Director, 3Com Enterprise Management Suite Other management: CLI via console or Telnet, embedded web management interface, SNMP management Advanced access and distribution for medium businesses and small enterprises seeking to build a secure converged network Wirespeed non-blocking performance: aggregate switching capacity of up to 128 Gbps Layer 2 switching; dynamic Layer 3 routing increases performance and enhances network security Use clustered stacking for up to 32 devices (Switch 4200G, 4500G 5500 and 5500G switches) Add switches to the cluster when needed— without increasing management difficulty and expense— and manage all as a single entity IEEE 802.1X network access control offers standards-based security combined with RADIUS authentication; TACACS+ also supported RADIUS Authenticated Device Access (RADA) provides authentication of attached devices via MAC address for an additional level of endpoint security Automatic assignment of VoIP traffic to dedicated VLANs helps ensure that critical time-sensitive traffic gets the priority needed for quality communications Power over Ethernet delivers electrical power and data connectivity over a single Ethernet cable Up to four 10-Gigabit ports per switch using two rear slots and dual-port 10-Gigabit modules; economical CX4 for short-distance stack connections, or XFP for longer 10-Gigabit distances |
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| Dimensions | 17.3" x 16.5" x 1.7" |
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| Parts | 1 year limited |
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| Labor | 1 year limited |
| First Listed on Newegg | September 27, 2022 |
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