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Extreme Networks® Summit48si™ sets a standard for Layer 3 switching at the edge by maximizing 10/100 port density, architecting unparalleled levels of reliability while maintaining leadership in Layer 3 software features and performance. The Summit48si's unsurpassed software features, capacity, and performance enable customers to provide more Layer 3 services to more users while using less space and at a lower cost than ever before.

At an incredible one rack unit (1.75") in height, the Summit48si packs a whopping 48 10/100 Ethernet ports and 2 Gigabit Ethernet ports-with non-blocking capacity to support every port at full line rate. Included in this compact yet powerful package are two hot-swappable, load sharing power supplies-a reliability first in a 1 rack unit Layer 3 switch! And the Summit48si reliability is enhanced even further with dual Gigabit Ethernet uplinks, both of which are active and can be aggregated for enhanced throughput and increased redundancy.

Extreme Networks' advanced Layer 3 software feature set, ExtremeWare®, combined with the new 1 rack unit, dual power supply form factor makes the Summit48si an unbeatable solution at the edge of the network. Featuring the same Inferno ("i") series chipset that powers Extreme's award-winning Alpine™ and BlackDiamond® modular switches, the Summit48si supports the most comprehensive set of Layer 3 switched services in the industry-including OSPF, prioritization and bandwidth management Quality of Service, Access Control Lists, Denial of Service protection, and many more features.

This unique combination of high performance, reliability and extensive Layer 3 switched services enables the Summit48si to support redeployment of Layer 3 edge services right to the edge of the network-saving the customer money and improving overall network functionality and performance.

Hardware Features:
48 10/100 auto-negotiating Ethernet ports in a 1 RU footprint allow more network connections per inch of rack space
2 mini-GBIC ports provide duplicate active gigabit uplinks for greater throughput and redundant paths
Redundant hot-swappable power supplies maximize uptime and network availability

ExtremeWare Software Features:
Security features, including Network Login, SSH2, Access Control Lists (ACLs), RADIUS, TACACS+, VLANs, and thorough Denial of Service protection, provide a secure armor
SmartRedundancy™, Ethernet Automatic Protection Switching (EAPS), and ESpan for enhanced network availability
OSPF for large scalable meshed fault-tolerant networks

Performance Features:
Extreme Networks' award-winning Inferno chipset-based performance
Full line rate bandwidth on every port
17.5Gbps non-blocking switch fabric
4,096 VLANs and 128,000 MAC or Layer 3 addresses
Policy-Based Quality of Service (QoS), with 8 hardware queues per port, and bidirectional rate shaping delivering bandwidth-by-the-slice
ACLs for optimal security and diverse traffic classification
Jumbo frame support for special high-throughput applications

Management Features:
Serial management port on the front panel for ease of installation
Extensive management through HTTP, SNMP, RMON and command line interface

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