Rich IOS Functionality, Product Specifications

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Rich IOS Functionality

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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	• Switch automatically downloads conﬁguration ﬁle using Dynamic
	Host Conﬁguration Protocol (DHCP).
• Autosensing	• 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	• Each non-SFP port automatically selects half- or full-duplex
	transmission mode to optimize bandwidth.
• Dynamic Trunking Protocol (DTP)	• Switch ports automatically conﬁgure as trunks if connected to a
	trunk port on another switch or router.
• Port Aggregation Protocol (PAgP)	• Switch ports automatically conﬁgure as Cisco Fast EtherChannel®
and Link Aggregation Control Protocol	groups or IEEE 802.3ad groups when there are multiple links to
(LACP)	another switch, router, or server.
• DHCP Relay	• Allows a DHCP relay agent to broadcast DHCP requests to the
	network DHCP server.
• Default conﬁguration	• The switch can be connected to the network and can forward trafﬁc
	with no conﬁguration.
• Auto-MDIX (media-dependent	• All ports automatically adjust transmit and receive pairs depending
interface crossed-over) (Future)	on cable type (cross-over or straight-through) connected.
• Express Setup	• Web browser utility allows simple switch set up so that even novices
	can perform a basic conﬁguration.

Cisco Systems, Inc.

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