15.4 watts (W) for maximum powered device support. The 48-port versions can deliver the necessary power to support 24 ports at 15.4W, 48
ports at 7.7W, or any combination in between.
10 Gigabit Ethernet Support—Increase Uplink Bandwidth for Gigabit Ethernet Deployments
The Cisco Catalyst 3750 Series allows network managers to incrementally add IEEE 802.3ae compliant 10 Gigabit Ethernet connectivity in
their wiring closets or GRID clusters, further facilitating and enhancing Gigabit Ethernet networks. This provides investment protection to
customers who wish to use their existing fiber plant, add uplink bandwidth capacity to their switching stacks, and who want to provide higher
performance to applications and users.
Management Options
The Cisco Catalyst 3750 Series (Figure 5) offers both a superior command-line interface (CLI) for detailed configuration and Cisco Network
Assistant Software, a Web-based tool for quick configuration based on preset templates. In addition, CiscoWorks supports the Catalyst 3750
Series for networkwide management. Table 1 lists the features and benefits of the Catalyst 3750 Series.
Figure 5. Cisco Catalyst 3750 Series Switches
Table 1. Features and Benefits
Feature Benefit
Ease of Use and Deployment
Autoconfiguration of new stack units eliminates reconfiguration.
Dynamic Host Configuration Protocol (DHCP) autoconfiguration of multiple switches through a boot server
eases switch deployment.
Automatic Cisco IOS Software version checking and updating helps ensure that all stack members have the
same software version.
Automatic QoS (AutoQoS) simplifies QoS configuration in voice over IP (VoIP) networks by issuing interface
and global switch commands to detect Cisco IP phones, classify traffic, and help enable egress queue
configuration.
Master configuration management helps ensure that all switches are automatically upgraded when the
master switch receives a new software version.
Autosensing on each non-SFP port detects the speed of the attached device and automatically configures
the port for 10-, 100-, or 1000-Mbps operation, easing switch deployment in mixed 10, 100, and 1000BASE-
T environments.
Autonegotiating on all ports automatically selects half- or full-duplex transmission mode to optimize
bandwidth.
Dynamic Trunking Protocol (DTP) facilitates dynamic trunk configuration across all switch ports.
Port Aggregation Protocol (PAgP) automates the creation of Cisco Fast EtherChannel
®
groups or Gigabit
EtherChannel groups to link to another switch, router, or server.
Link Aggregation Control Protocol (LACP) allows the creation of Ethernet channeling with devices that
conform to IEEE 802.3ad. This feature is similar to Cisco EtherChannel technology and PAgP.
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