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Cisco StackWise Technology for Stackable Resiliency

Cisco StackWise

to respond to additions, deletions, and redeployment while maintaining constant performance. Cisco StackWise

technology unites up to nine individual switches in a single logical unit, using special stack-interconnect cables and

stacking software. The individual switches can be any combination of Cisco Catalyst 3750, 3750 v2, and 3750-E

Series Switches. The stack behaves as a single switching unit that is managed by a master switch, chosen from one

of the member switches. The master switch automatically creates and updates all the switching and optional routing

tables. A working stack can accept new members or delete old ones without service interruption.

Cisco StackWise stacking creates a 32-Gbps switch interconnection. Stacking does not require user ports. Up to 9

units can be stacked together for a maximum of 468 10/100 ports. Additional port combinations can be created by

stacking together the Cisco Catalyst 3750 v2, 3750, and 3750-E Series Switches.

Cisco Catalyst 3750 v2 Series Software

The Cisco Catalyst 3750 v2 Series can be purchased with the IP Base or IP Services license preinstalled. The IP

Base license offers advanced quality of service (QoS), rate limiting, access control lists (ACLs), and basic static and

Routing Information Protocol (RIP) routing functions. The IP Services license provides a richer set of enterprise-class

features, including advanced hardware-based IP unicast and IP multicast routing as well as policy-based routing

(PBR). The Advanced IP Services license, which includes IPv6 routing and IPv6 ACL support, is now included in the

IP Services license. Upgrade licenses are available to upgrade a switch from the IP Base license to the IP Services

license.

Configurable Cisco IOS Software

The Cisco Catalyst 3750 v2 Series can be preconfigured with a specific Cisco IOS Software release at the time of

ordering. This option eliminates the need to reload a specific Cisco IOS Software release during deployment, thereby

reducing deployment time and cost. The Cisco IOS Software release to be preloaded can be selected from a list of

supported Cisco IOS Software releases, including the crypto version.

Cisco EnergyWise

The Cisco Catalyst 3750 v2 Series supports Cisco EnergyWise, which is a technology that enables monitoring,

reporting, and management of energy consumption by end devices that are EnergyWise enabled. This technology

enables companies to reduce their energy costs and carbon footprints. EnergyWise features enable you to:

Discover all Cisco EnergyWise enabled devices on the network

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Monitor and report power consumption by these devices

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Implement business rules to control power to these end devices

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More information about Cisco EnergyWise can be found at http://www.cisco.com/go/energywise.

Power over Ethernet

The Cisco Catalyst 3750 v2 Series can provide a lower total cost of ownership (TCO) for deployments that

incorporate Cisco IP Phones, Cisco Aironet

end device. PoE eliminates the need for wall power outlets for each PoE-enabled device and significantly reduces

the cost for additional electrical cabling that would otherwise be necessary in IP phone and WLAN deployments. The

Cisco Catalyst 3750 v2 24-port PoE switch can support Class 3 PoE or 15.4 watts (W) of PoE power on all 24 ports.

Taking advantage of Cisco Catalyst Intelligent Power Management, the Cisco Catalyst 3750 v2 48-port PoE

configurations can deliver the necessary power to support 24 ports at 15.4W, 48 ports at 7.7W, or any combination

in between. Maximum power availability for a converged voice and data network is attainable when a Cisco Catalyst

technology is a stacking architecture optimized for Gigabit Ethernet. This technology is designed

wireless LAN (WLAN) access points, or any IEEE 802.3af–compliant

Data Sheet

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