Cisco Catalyst Series Switch 2940 Manuale utente

Product Bulletin

New Cisco IOS Software Release 12.1(22)EA9 for

Cisco Catalyst 3550, 2950, 2950 LRE, 2940, and 2955

Series Switches and CIGESM Blade Switch

PB380622

Cisco®announces Cisco IOS®Software updates for the Cisco Catalyst®3550, 2950, 2950

LRE, 2940, and 2955 Series Switches and CIGESM Blade Switch.

This product bulletin contains content and delivery information for Cisco IOS Software Release

12.1(22)EA9.

The following new features are available with Cisco IOS Software Release 12.1(22)EA9 for the

Cisco Catalyst 2940 Series:

●IEEE 802.1x MAC-Authentication-Bypass: This feature allows clientless end users (with

no 802.1x supplicant) to authenticate to the network, utilizing the MAC address of the

device. The switch will initiate an Extensible Authentication Protocol (EAP) conversation

with an authentication, authorization, and accounting (AAA) server on behalf of a device to

authenticate the MAC address itself. This process is transparent to the end user and

utilizes a prepopulated database on the AAA server.

Table 1 lists new features of Cisco IOS Software Release 12.1(22)EA9.

Table 1. Cisco IOS Software Release 12.1(22)EA9 New Features

Feature Cisco

Catalyst 3550

Series

Enhanced

Multilayer

Image

Cisco

Catalyst

3550 Series

Standard

Multilayer

Image

Cisco

Catalyst

2955 Series

Enhanced

Image

Cisco

Catalyst

2950 Series

Enhanced

Image

Cisco

Catalyst

2950 Series

Standard

Image

Cisco

Catalyst

2950 LRE

Series

Cisco

Catalyst

2940 Series

Standard

Image

802.1x MAC

Authentication

Bypass

NNNNNNX

N No plans to add platform support for this feature.

X Feature is new for this platform.

Product Bulletin

Table 2 lists the Layer 2+ capable fixed-configuration Cisco Catalyst switches supported with this

software release.

Table 2. Layer 2+ Products Supported with This Release

Cisco Catalyst

2955 Part Numbers Cisco Catalyst 2950

Series Enhanced

Image Part Numbers

Cisco Catalyst

2950 Series

Standard Image

Part Numbers

Cisco Catalyst

2950 LRE Series

Part Numbers

Cisco Catalyst

2940 Series

Part Numbers

2955C-12

2955S-12

2955T-12

2950T-24

2950C-24

2950G-12-EI

2950G-24-EI

2950G-48-EI

2950G-24-EI-DC

2950-12

2950-24

2950SX-24

2950SX-48

2950T-48

2950LRE-24-997

2950ST-24-LRE

2950ST-8-LRE

2940-8TF

2940-8TT

The following new feature is available with Cisco IOS Software Release 12.1(22)EA9 only for the

CIGESM Blade Switch:

●Management Module Lockout: Management Module Lockout on the CIGESM Blade

Switch will prevent the IBM Management Module from controlling the CIGESM. This feature

is turned off by default. Enabling this feature will allow the normal operation of the switch

and management module independently. Without this feature, the management module

might interrupt the operation of the CIGESM.

Additional Resources

Software Download

Software is available for download from the following links:

●Cisco IOS Software Upgrade Planner:

http://www.cisco.com/cgi-bin/Software/Iosplanner/Planner-tool/iosplanner.cgi?majorRel=

●Guest Level Access Planner: http://www.cisco.com/kobayashi/sw-center/index.shtml

Because of export restrictions on strong cryptography, a separate image is required for

cryptographic features (Secure Shell [SSH] Protocol, Simple Network Management Protocol

Version 3 [SNMPv3], and Kerberos Protocol). These software images can be downloaded from the

corresponding Triple Data Encryption Standard (3DES) area of the links provided in this section.

Product Information

●Cisco Catalyst 2955 Series Switches: http://www.cisco.com/go/catalyst2955

●Cisco Catalyst 2950 Series Switches: http://www.cisco.com/go/catalyst2950

●Cisco Catalyst 2950 LRE Series Switches:

http://www.cisco.com/en/US/products/hw/switches/ps4916/index.html

●Cisco Catalyst 2940 Series Switches: http://www.cisco.com/go/catalyst2940

●Cisco Catalyst 2950, 2950 LRE, and 2940 Series Switches and Cisco Catalyst 2955 Series

Switches release notes:

◦

http://www.cisco.com/univercd/cc/td/doc/product/lan/cat2950/index.htm

◦

http://www.cisco.com/univercd/cc/td/doc/product/lan/cat2940/index.htm

Support

Cisco IOS Software Release 12.1(22)EA9 follows the standard Cisco support policy indicated at

http://www.cisco.com/en/US/products/products_end-of-life_policy.html.

Product Bulletin

Software Image Migration Guide

Figure 1 displays Cisco IOS Software Release 12.1(22)EA9 relative to the 12.1 and 12.1E

releases and identifies the recommended migration path.

Figure 1. Cisco IOS Software Release 12.1EA Release Train

Printed in USA C25-380622-00 11/06

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