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Configurations
• Cisco Catalyst 3750G-24TS—24 Ethernet 10/100/1000 ports and 4 SFP uplinks
• Cisco Catalyst 3750G-24T—24 Ethernet 10/100/1000 ports
• Cisco Catalyst 3750G-12S—12 Gigabit Ethernet SFP ports
• Cisco Catalyst 3750-48TS—48 Ethernet 10/100 ports and 4 SFP uplinks
• Cisco Catalyst 3750-24TS—24 Ethernet 10/100 ports and 2 small form-factor pluggable (SFP) uplinks
• Cisco Catalyst 3750-48PS—48 Ethernet 10/100 ports and 4 SFP uplinks with IEEE 802.3af and Cisco
pre-standard Power over Ethernet (PoE)
• Cisco Catalyst-24-PS—24 Ethernet 10/100 ports and 2 SFP uplinks with IEEE 802.3af and Cisco pre-standard
Power over Ethernet (PoE)
• Cisco Catalyst 3750 Series is available in the Standard Multilayer Software Image (SMI) or the Enhanced
Multilayer Software Image (EMI). The SMI feature set includes advanced quality of service (QoS), rate-limiting,
accesscontrollists(ACLs),andbasicstaticandroutedinformationprotocol(RIP)routingfunctionality.TheEMI
provides a richer set of enterprise-class features including advanced hardware-based IP unicast and multicast
routing.
Cisco StackWise Technology—A New Standard in Stackable Resiliency
Cisco StackWise technology is a premium stacking architecture optimized for Gigabit Ethernet. This technology
is designed to respond to additions, deletions, and redeployment while maintaining constant performance.
Cisco StackWisetechnology unites up to nine individual Cisco Catalyst 3750 switchesinto a single logical unit,using
special stack interconnect cables and stacking software. The stack behaves as a single switching unit that is managed
by a master switch elected 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.
Key Features and Benefits
Ease of Use—“Plug-and-Play” Configuration
A working stack is self-managing and self-configuring. When switches are added or removed, the master switch
automatically updates all the routing tables to reflect changes. Upgrades are applied universally and simultaneously
to all members of the stack.
Scalability—Fast Ethernet to Gigabit Ethernet
The Cisco Catalyst 3750 Series stacks up to 9 switches as a single logical unit for a total of 468 Ethernet or Power
over Ethernet 10/100 ports or 252 Ethernet 10/100/1000 ports. Individual 10/100 and 10/100/1000 units may be
joined in any combination to evolve with network needs.
Mix-and-Match Switch Types—Pay as You Expand Your Network
Stacks can be created with any combination of Cisco Catalyst 3750 switches. Customers who need a mixture of 10/
100, 10/100/1000 ports and wiring closet aggregation capability can incrementally develop the access environment,
paying only for what they need.
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