Cisco Catalyst Express 520-24LC Bedienungsanleitung

Americas Headquarters:

Cisco Systems, Inc., 170 West Tasman Drive, San Jose, CA 95134-1706 USA

Release Notes for the Catalyst Express 520

Switches, Cisco IOS Release 12.2(37)EX and

Later

September 27, 2007

Cisco IOS Release 12.2(37)EX runs on all Catalyst Express 520 switches.

These release notes include important information about this Cisco IOS release and any limitations,

restrictions, and caveats that apply to it. Verify that these release notes are correct for your switch. To

find the release number of the Cisco IOS image running on your switch:

•On a new or unconfigured switch, see the Cisco IOS release label on the rear panel of your switch.

•On a configured switch, see the Switch Information area on the device manager Dashboard window.

The key features are described in the User Guide for the Catalyst Express 520 Switches. For the complete

list of Catalyst Express 520 switch documentation, see the “Switch Documentation Set” section on

page 5.

Contents

This information is in the release notes:

•“System Requirements” section on page 2

•“Upgrading the Switch Software” section on page 3

•“Limitations and Restrictions” section on page 3

•“Important Notes” section on page 4

•“Open Caveats” section on page 4

•“Update to the Catalyst Express 520 User Guide” section on page 5

•“Switch Documentation Set” section on page 5

•“Obtaining Documentation, Obtaining Support, and Security Guidelines” section on page 5

Release Notes for the Catalyst Express 520 Switches, Cisco IOS Release 12.2(37)EX and Later

OL-14615-01

System Requirements

The system requirements are described in these sections:

•“Hardware Supported” section on page 2

•“Device Manager System Requirements” section on page 2

Hardware Supported

Table 1 lists the supported hardware.

Device Manager System Requirements

The device manager hardware and software requirements are described in the User Guide for the

Catalyst Express 520 Switches.

Table 1 Supported Hardware

Switch Description Supported by Minimum Cisco IOS Release

Catalyst Express 520-8PC-K9 8 10/100 PoE1ports

1 dual-purpose port2

1. PoE = Power over Ethernet.

2. Dual-purpose port = one 10/100/1000BASE-T copper port and one small form-factor pluggable [SFP] module slot.

Cisco IOS Release 12.2(35)EX

Catalyst Express 520-24LC-K9 20 10/100 Ethernet ports

4 10/100 PoE ports

2 dual-purpose ports

Cisco IOS Release 12.2(37)EX

Catalyst Express 520-24PC-K9 24 10/100 PoE ports

2 dual-purpose ports

Cisco IOS Release 12.2(37)EX

Catalyst Express 520-24TT-K9 24 10/100 Ethernet ports

2 10/100/1000 Ethernet ports

Cisco IOS Release 12.2(37)EX

Catalyst Express 520G-24TC 24 10/100/1000 Ethernet ports

2 dual-purpose ports

Cisco IOS Release 12.2(37)EX

SFP3modules

3. SFP = small form-factor pluggable.

100BASE-BX-10D, -BX-10U, -FX-FE,

-FX-GE, -LX,

1000BASE-LX/LH, -SX, -T

Cisco IOS Release 12.2(35)EX

Redundant power systems Cisco RPS 675 Redundant Power System

Cisco Redundant Power System 2300

Cisco IOS Release 12.2(35)EX

Cisco IOS Release 12.2(37)EX

Release Notes for the Catalyst Express 520 Switches, Cisco IOS Release 12.2(37)EX and Later

OL-14615-01

Upgrading the Switch Software

The software upgrade procedure is described in the Cisco Configuration Assistant online help. To

upgrade the switch, you must download and use Cisco Configuration Assistant.

Limitations and Restrictions

You should review this section before you begin working with the switch. These are known limitations

that will not be fixed, and there is not always a workaround. Some features might not work as

documented, and some features could be affected by recent changes to the switch hardware or software.

These are the device manager limitations:

•CSCei30778

When a PC is connected directly to a switch port, the username password dialog appears twice

before the device manager appears.

The workaround is to enter the username and the password in both dialogs.

•CSCsd48669

The PC must have a network interface card (NIC) driver that supports IEEE 802.1Q packet tagging

if either:

–

The PC is directly connected to a Catalyst Express 520 switch port that is configured with the Switch

port role

–

The PC is connected to a switch that is connected through an access port to a Catalyst

Express 520 switch port that is configured with the Switch port role.

•CSCsh93742

You cannot configure the copper interface of the dual-purpose port if an SFP module is installed in

it.

The workaround is to first remove the SFP module and then to connect the copper cable.

•CSCsi40050

You cannot set up the switch for the first time if the switch is connected to an upstream DHCP server

and to your management station at the same time. (You can set up the switch by using a PC

connected to one of the switch Ethernet ports or by connecting the switch to a DHCP server, but not

both.)

The workaround is to disconnect the switch from the uplink DHCP server, connect a PC to one of

the switch Ethernet ports, and configure the switch by using the Express Setup program.

•CSCsi70143

A port fails under these conditions:

–

The port speed is configured at either 10Mb/s or 100Mb/s (instead of auto), and it is connected

to another port that also has the speed configured as 10Mb/s or 100Mb/s.

–

The ports are connected by a straight-through cable.

The workaround is to use a crossover cable to connect the two ports, regardless of the speed settings.

Release Notes for the Catalyst Express 520 Switches, Cisco IOS Release 12.2(37)EX and Later

OL-14615-01

Important Notes

•CSCsj52489

When you start the device manager from a Firefox browser session, an invalid certificate error

appears.

The workaround is to delete the certificate(s) in Firefox and then close and restart the browser.

Follow these steps to delete the certificate(s):

–

In Firefox version 1.5, select Tools > Options > Advanced > Security > View Certificates >

Web Sites. Select the certificate(s), and click Delete to delete the certificate(s).

–

In Firefox version 2.0, select Tools > Options > Advanced > Encryption > View

Certificates > Web Sites. Select the certificate(s), and click Delete to delete the certificate(s).

When you start the device manager from Internet Explorer 7.0, a certificate error page appears.

The workaround is to click the Continue to this website (not recommended) link and continue to start

the device manager.

Important Notes

When you start the device manager in secured mode from Internet Explorer 6.0 or from FireFox1.5,

several security certificates appear. Accept all of the certificates. The device manager then appears.

For a complete list of supported browsers and operating systems, see the User Guide for the Catalyst

Express 520 Switches.

Open Caveats

This section describes the open caveats with possible unexpected activity in this software release. Unless

otherwise noted, these severity 3 Cisco IOS configuration caveats apply to all of the Catalyst Express

switches:

•CSCsj60518 (Catalyst 520-24LC, 520-24PC, and 520-24TT switches)

The port configuration is lost if you press the Admin button repeatedly when the switch is entering

and exiting direct managed mode.

The workaround is to not repeatedly press the Admin button when entering and exiting direct

managed mode. Wait at least five seconds before each press of the Admin button.

•CSCsj77293

You might not be able to complete the switch initial setup if you interrupt the process by either

disconnecting your PC from the switch or by changing your PC IP address settings.

The workaround is to restart the entire initial setup procedure, as described in the switch user guide.

•CSCsk22971

If you end your browser session without saving changes to the setup parameters during initial setup

or in direct managed mode, and then open a new browser session, the Express Setup window or the

device manager page might not appear in the new browser session.

The workaround is to type in any URL (for example, www.cisco.com). The browser then displays

the Express Setup window or the device manager.

Release Notes for the Catalyst Express 520 Switches, Cisco IOS Release 12.2(37)EX and Later

OL-14615-01

Update to the Catalyst Express 520 User Guide

The Catalyst Express 520-24PC-K9 switch supports the RPS 675 and RPS 2300 redundant power

systems.

Switch Documentation Set

These documents provide complete information about the switch and are available from this Cisco.com

site:

http://www.cisco.com/en/US/products/ps7238/tsd_products_support_series_home.html

These documents are also available on the Cisco Smart Business Communications System Software and

Documentation CD-ROM that ships with the switch.

You can order printed copies of documents with a DOC-xxxxxx= number from the Cisco.com sites and

from the telephone numbers listed in the URL referenced in the “Obtaining Documentation, Obtaining

Support, and Security Guidelines” section on page 5.

•Release Notes for the Catalyst Express 520 Switches (not orderable but available on Cisco.com)

•Getting Started Guide for the Catalyst Express 520 Switches (order number DOC-7818063=)

•User Guide for the Catalyst Express 520 Switches (not orderable but available on Cisco.com)

•Device manager online help (available on the switch)

•Regulatory Compliance and Safety Information for the Catalyst Express 520 Switches (not orderable

but available on Cisco.com)

•Cisco Limited Lifetime Hardware Warranty Terms for the Catalyst Express 520 Switches (not

orderable but available on Cisco.com)

For other information about related products, see these documents:

•Getting Started with Cisco Network Assistant (not orderable but available on Cisco.com)

•Release Notes for Cisco Network Assistant (not orderable but available on Cisco.com)

•Cisco Small Form-Factor Pluggable Modules Installation Notes (not orderable but available on

Cisco.com)

•Cisco RPS 675 Redundant Power System Hardware Installation Guide (order number

DOC-7815201=)

•Cisco Redundant Power System 2300 Hardware Installation Guide (order number DOC-7817647=)

Obtaining Documentation, Obtaining Support, and Security

Guidelines

For information on obtaining documentation, obtaining support, providing documentation feedback,

security guidelines, and also recommended aliases and general Cisco documents, see the monthly

What’s New in Cisco Product Documentation, which also lists all new and revised Cisco technical

documentation, at:

http://www.cisco.com/en/US/docs/general/whatsnew/whatsnew.html

Release Notes for the Catalyst Express 520 Switches, Cisco IOS Release 12.2(37)EX and Later

OL-14615-01

Obtaining Documentation, Obtaining Support, and Security Guidelines

This document is to be used in conjunction with the documents listed in the “These documents provide complete information about the switch and

are available from this Cisco.com site:” section.

CCVP, the Cisco logo, and the Cisco Square Bridge logo are trademarks of Cisco Systems, Inc.; Changing the Way We Work, Live, Play, and Learn

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the Cisco Certified Internetwork Expert logo, Cisco IOS, Cisco Press, Cisco Systems, Cisco Systems Capital, the Cisco Systems logo, Cisco Unity,

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TransPath are registered trademarks of Cisco Systems, Inc. and/or its affiliates in the United States and certain other countries.

All other trademarks mentioned in this document or Website are the property of their respective owners. The use of the word partner does not imply

a partnership relationship between Cisco and any other company. (0708R)

Any Internet Protocol (IP) addresses used in this document are not intended to be actual addresses. Any examples, command display output, and

figures included in the document are shown for illustrative purposes only. Any use of actual IP addresses in illustrative content is unintentional and

coincidental.

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