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Rich IOS Functionality
The Cisco Catalyst 2940 Series supports a Cisco IOS Software feature set that is nearly identical to that offered in
the Standard Image Cisco Catalyst 2950 Series switches. This functionality provides:
• Support for network edge security to prevent unauthorized users
• Quality-of-service capabilities for basic data, video, and voice applications
• High-availability features to ensure user productivity
• Full network management support.
More details about the Cisco IOS functions are described below in Table 1. Currently, the only difference from the
Cisco Catalyst 2950 Standard Image is that the 2940 Series supports only four virtual LANs (VLANs) and four
Spanning Tree Protocol (STP) instances.
Product Specifications
Table 1 Product Features and Benefits
Feature Benefit
Ease of Use and Ease of Deployment
• Autoconfiguration
• Autosensing
• Autonegotiating
• Dynamic Trunking Protocol (DTP)
• Port Aggregation Protocol (PAgP)
and Link Aggregation Control Protocol
(LACP)
• DHCP Relay
• Default configuration
• Auto-MDIX (media-dependent
interface crossed-over) (Future)
• Express Setup
• Switch automatically downloads configuration file using Dynamic
Host Configuration Protocol (DHCP).
• 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.
• Each non-SFP port automatically selects half- or full-duplex
transmission mode to optimize bandwidth.
• Switch ports automatically configure as trunks if connected to a
trunk port on another switch or router.
• Switch ports automatically configure as Cisco Fast EtherChannel
®
groups or IEEE 802.3ad groups when there are multiple links to
another switch, router, or server.
• Allows a DHCP relay agent to broadcast DHCP requests to the
network DHCP server.
• The switch can be connected to the network and can forward traffic
with no configuration.
• All ports automatically adjust transmit and receive pairs depending
on cable type (cross-over or straight-through) connected.
• Web browser utility allows simple switch set up so that even novices
can perform a basic configuration.
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