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Release Notes for Catalyst 6000 Family for Cisco IOS Release 12.0 XE

Release Notes for Catalyst 6000 Family for Cisco IOS Release 12.0 XE

Current Release (February 7, 2000): 12.0(7)XE1

Previous Release: 12.0(7)XE (Deferred)

Caution These Release Notes are for the Cisco IOS on the Catalyst 6000 Family Release 12.0 XE Supervisor Software product, which runs Cisco IOS Release 12.0 XE on both the supervisor engine and the MSFC. If you are running Catalyst software on the supervisor engine and Cisco IOS Release 12.0 XE only on the MSFC, refer to the Release Notes for Catalyst 6000 Family Multilayer Switch Feature Card Cisco IOS Release 12.0 XE publication.
Note For information about the deferral of 12.0(7)XE, refer to the Field Notice at:
http://www.cisco.com/warp/customer/770/fn11211.shtml

Document Contents

This document consists of these sections:

Early Deployment Releases

Cisco IOS Release 12.0 XE supports the Catalyst 6000 family switches. Release 12.0 XE is based on Cisco IOS Release 12.0 T.

Release 12.0 XE will be merged into Release 12.1 E, which will eventually be merged into 12.1 T. All maintenance updates will be placed into Cisco IOS Release 12.1 E releases. No maintenance updates will be placed into Release 12.0 XE.

For more information about the Cisco IOS software release process, see the Cisco IOS Software Releases: Product Bulletin #537 located on CCO and on the Documentation CD-ROM.

These release notes do not describe features that are available in Release 12.0, Release 12.0 T, or other Release 12.0 Early Deployment (ED) releases.

For information about features in Release 12.0, see the Cross-Platform Release Notes for Cisco IOS Release 12.0  on CCO and the Documentation CD-ROM.

For information about features in other platforms, see the Release Notes for Cisco IOS Release  12.0 index on CCO and the Documentation CD-ROM.

For a list of the software caveats that apply to Release 12.0(7)XE1, see the "Open Caveats in IOS Release 12.0(7)XE1" section and the "Open Caveats in IOS Release 12.0(7)XE" section, the Caveats for Cisco IOS Release 12.0 T  document, and the Caveats for Cisco IOS Release  12.0 document that accompany these release notes. All caveats in Release 12.0 and Release 12.0 T are also in Release 12.0 XE1. The caveats documents are updated for every maintenance release and are located on Cisco Connection Online (CCO) and the Documentation CD-ROM.

Cisco IOS for Catalyst 6000 Family Memory Requirements

Release 12.0 XE requires the following MSFC memory configurations:

The following Supervisor Engine 1 default memory configurations are acceptable for Release 12.0 XE:

Product and Software Version Matrix

Table 1 lists the minimum supervisor engine version and the current recommended Cisco IOS releases for Catalyst 6000 family modules and chassis.


Table 1: Minimum, Recommended, and Default Cisco IOS Releases
Product Number append with
"=" for spares 		Product Description Minimum
Software Version 		Recommended
Software Version
Supervisor Engine 1

WS-X6K-SUP1A-MSFC

Supervisor Engine 1 with ROMMON version 5.2(1) or later, dual-port 1000BaseX uplinks, with enhanced QoS features1,
Policy Feature Card (PFC), and
Multilayer Switch Feature Card (MSFC)

12.0(7)XE

12.0(7)XE1

Ethernet, Fast Ethernet, and Gigabit Ethernet

WS-X6416-GE-MT

16-Port Gigabit Ethernet MT-RJ
with enhanced QoS features

12.0(7)XE

12.0(7)XE1

WS-X6408-GBIC

8-Port Gigabit Ethernet GBIC

12.0(7)XE

12.0(7)XE1

WS-X6408A-GBIC

8-Port Gigabit Ethernet GBIC
with enhanced QoS features

12.0(7)XE

12.0(7)XE1

WS-X6224-100FX-MT

24-Port 100FX Multimode MT-RJ

12.0(7)XE

12.0(7)XE1

WS-X6248-RJ-45

48-Port 10/100TX RJ-45

12.0(7)XE

12.0(7)XE1

WS-X6248-TEL

48-Port 10/100TX RJ-21

12.0(7)XE

12.0(7)XE1

WS-X6024-10FL-MT

24-Port 10BaseFL MT-RJ
with enhanced QoS features

12.0(7)XE

12.0(7)XE1

Modular Chassis

WS-C6009

Catalyst 6009 chassis (9-slot)

12.0(7)XE

12.0(7)XE1

WS-C6509

Catalyst 6509 chassis (9-slot)

12.0(7)XE

12.0(7)XE1

WS-C6006

Catalyst 6006 chassis (6-slot)

12.0(7)XE

12.0(7)XE1

WS-C6506

Catalyst 6506 chassis (6-slot)

12.0(7)XE

12.0(7)XE1

1Also supported: WS-X6K-SUP1-2GE with PFC and MSFC.

Note The ATM modules (WS-X6101-OC12-MMF or WS-X6101-OC12-SMF), the Multilayer Switch Module (WS-X6302-MSM), and the FlexWAN module (WS-X6182-2PA) are not supported. These modules will remain powered down if detected in the system. They will not affect system behavior.

Orderable Software Images

Table 2 lists the software versions and applicable ordering information for Cisco IOS for the Catalyst 6000 family.


Table 2: Orderable Software Images
Filename Description Orderable
Product Number
(Installed on System) 		Orderable
Product Number
(Spare Upgrade—Floppy Media)

c6msfc-boot-mz.120-7.XE1.bin

Boot loader

N/A

N/A

c6sup-js-mz.120-7.XE1.bin

IOS Release 12.0(7)XE1 Enterprise

SC6IOSA-12.0.7XE

SC6IOSA-12.0.7XE=

c6sup-ds-mz.120-7.XE1.bin

IOS Release 12.0(7)XE1 Desktop

SC6IOSB-12.0.7XE

SC6IOSB-12.0.7XE=

c6sup-is-mz.120-7.XE1.bin

IOS Release 12.0(7)XE1 IP

SC6IOSC-12.0.7XE

SC6IOSC-12.0.7XE=

c6sup-ds-mz.120-7.XE1.bin

IOS Release 12.0(7)XE1 IP/IPX

SC6IOSD-12.0.7XE

SC6IOSD-12.0.7XE=

Note Cisco IOS Release 12.0(7)XE is deferred.

Software Image Feature Sets

The orderable software images contain the following feature sets:

Features in IOS Release 12.0(7)XE1 on Catalyst 6000 Family Switches

There are no new features in Release 12.0(7)XE1.

Note The spanning-tree portfast command bpdu-guard keyword has been replaced with the bpduguard keyword. The spanning-tree portfast command still accepts the bpdu-guard keyword.

Features in IOS Release 12.0(7)XE on Catalyst 6000 Family Switches

Refer to Chapter 1, "Product Overview," of the Catalyst 6000 Family IOS Software Configuration Guide for the list of features for the Catalyst 6000 family switches available in IOS Release 12.0(7)XE.

For general product information about the Catalyst 6000 family switches, refer to the Catalyst 4000, 5000, and 6000 Family Software Product Bulletin. For general information about the Catalyst 6000 12.0(7)XE IOS Release, refer to the Cisco IOS on the Catalyst 6000 Family Release 12.0(7)XE Supervisor Software Product Bulletin. Catalyst 6000 family switch product bulletins are at:
http://www.cisco.com/warp/public/cc/pd/si/casi/ca6000/prodlit/

These Release Notes describe the following additional features:

Features Not Supported in IOS Release 12.0(7)XE

With the exception of the following list, all features currently supported by the Catalyst 5.3 software are also supported in IOS Release 12.0(7)XE.

These features are not supported in IOS Release 12.0(7)XE on Catalyst 6000 family switches:

Many of the above features will be supported in future IOS versions.

Usage Guidelines and Restrictions

This section provides usage guidelines and restrictions for the Catalyst 6000 family switches.

Note When numerous protocol features (such as VTP pruning, EtherChannel, and RMON) are enabled concurrently, the number of supported logical spanning tree interfaces is reduced. To achieve these numbers, keep switched traffic off the management VLAN.
Make the ACL used for NAT more specific to limit the software-handled packets to only those packets requiring NAT translation. For example, if you use a general ACL (such as permit ip any any) to specify the traffic that requires NAT, then all traffic inbound or outbound on the NAT outside interface will be software routed (including traffic not originating or destined to NAT inside interfaces). If it is possible to use a more specific ACL (such as permit ip 10.1.1.0 0.0.0.255 any), then only the NAT outside traffic matching that ACL will be software routed. This traffic will still be software routed regardless of whether it is originating or destined to NAT inside interfaces. However, by making the ACL more specific, you can limit the amount of traffic that is software routed due to the NAT ACL.

Open and Resolved Caveats in IOS Release 12.0(7)XE1

This section describes open and resolved caveats in Cisco IOS Release 12.0(7)XE1.

Open Caveats in IOS Release 12.0(7)XE1

This section describes open caveats in Cisco IOS Release 12.0(7)XE1.

(CSCdp81930)

Resolved Caveats in IOS Release 12.0(7)XE1

This section describes resolved caveats in Cisco IOS Release 12.0(7)XE1.

%HEARTBEAT-2-NOT_RUNNING
and/or
%SYS-SP-3-CPUHOG
These messages are harmless and can be ignored. This problem is fixed in Release 12.0(7)XE1. (CSCdp57389)

Open Caveats in IOS Release 12.0(7)XE

This section describes open caveats for IOS Release 12.0(7)XE.

%HEARTBEAT-2-NOT_RUNNING
and/or
%SYS-SP-3-CPUHOG
These messages are harmless and can be ignored. This problem is fixed in Release 12.0(7)XE1. (CSCdp57389)

Troubleshooting

This section describes troubleshooting guidelines for the Catalyst 6000 family switch configuration and is divided into the following subsections:

System Troubleshooting

This section contains troubleshooting guidelines for system-level problems:

Module Troubleshooting

This section contains troubleshooting guidelines for module problems:

VLAN Troubleshooting

Note Catalyst 6000 family switches do not support ISL-encapsulated Token Ring frames. To support trunked Token Ring traffic in your network, make trunk connections directly between switches that support ISL-encapsulated Token Ring frames. When a Catalyst 6000 family switch is configured as a VTP server, you can configure Token Ring VLANs from the switch.

Although DTP is a point-to-point protocol, some internetworking devices might forward DTP frames. To avoid connectivity problems that might be caused by a switch acting on these forwarded DTP frames, do the following:

Spanning Tree Troubleshooting

The Spanning Tree Protocol (STP) blocks certain ports to prevent physical loops in a redundant topology. On a blocked port, switches receive spanning tree bridge protocol data units (BPDUs) periodically from neighboring switches. You can configure the frequency with which BPDUs are received by entering the spanning-tree vlan vlan_ID hello-time command (the default frequency is set to 2 seconds). If a switch does not receive a BPDU in the time period defined by the spanning-tree vlan vlan_ID max-age command (20 seconds by default), the blocked port transitions to the listening state, the learning state, and to the forwarding state. As it transitions, the switch waits for the time period specified by the spanning-tree vlan vlan_ID forward-time command (15 seconds by default) in each of these intermediate states. Therefore, a blocked spanning tree interface moves into the forwarding state if it does not receive BPDUs from its neighbor within approximately 50 seconds.

Note We do not recommend using the UplinkFast feature on switches with more than 20 active VLANs. The convergence time might be unacceptably long with more than 20 active VLANs.

Use the following guidelines to debug STP problems:

Recovering From Loss of the Boot Loader Image

If you lose the boot loader image, please refer to the following link for boot loader image recovery procedures:
http://www.cisco.com/warp/customer/473/14.html

Converting from Catalyst Software

Use the procedures in this section to convert from Catalyst software to Cisco IOS for the Catalyst 6000 family switches.

Note The system configuration is lost during the conversion to IOS. Reconfigure the switch after the conversion. We strongly recommend that you back up your supervisor engine Catalyst OS and your MSFC IOS configurations (for example to a TFTP server) before you begin the conversion. The MSFC IOS configuration can be used as a basis for configuring the newly converted system.
Caution Please note that you must follow this sequence exactly to successfully convert your system. Failure to follow these instructions exactly may result in an unusable system. See the "Product and Software Version Matrix" section for information about supported software images. Do not attempt these procedures with other software images.

Perform these steps while the switch is running Catalyst software on the supervisor engine and IOS on the MSFC:

Step 1 Use the show module command to confirm that the PFC and MSFC are installed in your switch:

Step 2 Copy the system configuration.

Step 3 Copy the IOS system software image (for example, c6sup-js-mz.120-7.XE.bin or later) to a Flash PC card in slot0.

Step 4 Use the dir slot0: command to confirm that the Flash PC card in slot0: contains the IOS system software image you just copied.

Step 5 Set the configuration register to boot into ROMMON:

Console> (enable) set boot config-register 0x0 
Configuration register is 0x0 
ignore-config: disabled 
console baud: 9600 
boot: the ROM monitor

Step 6 Session to the MSFC:

Console> (enable) session 15

Step 7 Copy the MSFC configuration.

Step 8 Copy the IOS boot loader image (c6msfc-boot-mz.120-7.XE.bin or later) to the MSFC bootflash: device. 

Router# copy device:boot_loader_image bootflash:

Step 9 Confirm that the MSFC bootflash: contains the IOS boot loader image: 

Router# dir bootflash: 
Directory of bootflash:/
 
  1  -rw-     1599488   Dec 29 1999 11:12:29 c6msfc-boot-mz.120-7.XE.bin
 
15990784 bytes total (14391168 bytes free)
Router#
Caution You must have a boot loader image in the MSFC bootflash: device to boot successfully. Do not reset the switch unless there is a boot loader image in the MSFC bootflash: device. If there is no boot loader image in the MSFC bootflash: device and the state of the switch does not support the copy command, see the "Recovering From Loss of the Boot Loader Image" section.

Step 10 Set the configuration register of the MSFC to boot into ROMMON:

Router# configure terminal 
Router(config)# config-register 0x0 
Router(config)# end 
Router# 
00:08:02: %SYS-5-CONFIG_I: Configured from console by console 
Router#

Step 11 Return to the supervisor engine: 

Router# exit

Step 12 Reset the switch:

Console> (enable) reset 
This command will reset the system.
Note Perform these steps while the switch is in ROMMON.

Step 13 Verify that the switch has booted into supervisor engine ROMMON. Look for "System Bootstrap, Version 5.2(1)CSX" or later.

Step 14 At the supervisor engine ROMMON prompt, boot the IOS system software image that is in slot0. 

rommon 1 > boot slot0:c6sup-js-mz.120-7.XE.bin

Step 15 Verify that the switch has booted into MSFC ROMMON. Look for "System Bootstrap, Version 12.0(3)XE."

Step 16 Use the BOOTLDR command to set the BOOTLDR environment variable to use the IOS boot loader image that you just copied into the MSFC bootflash: device.

System Bootstrap, Version 12.0(3)XE, RELEASE SOFTWARE 
Copyright (c) 1998 by cisco Systems, Inc. 
Cat6k-MSFC platform with 65536 Kbytes of main memory 
 
rommon 1 > BOOTLDR=bootflash:c6msfc-boot-mz.120-7.XE.bin

Step 17 Use the sync command to save the environment variables you just configured to NVRAM so they are read on the next reset:

rommon 2 > sync

Step 18 Enter a reset command:

rommon 3 > reset

Step 19 Boot the MSFC with the same command used for the supervisor engine: 

rommon 1 > boot slot0:c6sup-js-mz.120-7.XE.bin
Note Perform these steps while the switch is running IOS Release 12.0 XE on both the supervisor engine and the MSFC.
Note The show config command works reliably only after the first reload.

Step 20 Format the supervisor engine bootflash: device:

Router# format sup-bootflash:

Step 21 Configure the MSFC to use the boot loader image:

Router(config)# boot bootldr bootflash:c6msfc-boot-mz.120-7.XE.bin

Step 22 To autoboot an image stored in the supervisor engine bootflash: device, copy the system software image from slot0: 

Router# copy slot0:c6sup-js-mz.120-7.XE.bin sup-bootflash:

Step 23 Configure the switch to autoboot the image:

Note To avoid boot failure, include the device name (slot0: or sup-bootflash:) in the following commands. 
Router(config)# boot system flash slot0:c6sup-js-mz.120-7.XE.bin

or:

Router(config)# boot system flash sup-bootflash:c6sup-js-mz.120-7.XE.bin

Step 24 Set the configuration register parameter to autoboot: 

Router(config)# config-register 0x102

Step 25 Copy the running configuration to the startup configuration in NVRAM: 

Router# copy running-config startup-config

Step 26 Reload the switch: 

Router# reload

Step 27 Configure the switch as described in the Catalyst 6000 Family IOS Software Configuration Guide.

Documentation Updates for Cisco IOS Release 12

This section describes caveats for the Catalyst 6000 family Cisco IOS Release 12 documentation. These changes will be included in the next update to the documentation.

http://www.cisco.com/univercd/cc/td/doc/product/lan/cat6000/ios127xe/cmdref/show1.htm#88146
for information about the show interfaces counters broadcast command.

Copying Files to a Redundant Supervisor Engine and MSFC

Use the following command to copy a file to the slot0: device on a redundant supervisor engine:

Router# copy source_device:source_filename slaveslot0:target_filename

Use the following command to copy a file to the bootflash: device on a redundant supervisor engine:

Router# copy source_device:source_filename slavesup-bootflash:target_filename

Use the following command to copy a file to the bootflash: device on a redundant MSFC:

Router# copy source_device:source_filename slavebootflash:target_filename

You can use these commands to copy the boot loader and the system software image to a redundant supervisor engine and MSFC.

Jumbo Frame Feature

To optimize server-to-server performance, you can configure the MTU size on Gigabit Ethernet interfaces to support jumbo frames. Gigabit Ethernet interfaces with the default MTU size (1500 bytes) cannot form channels with interfaces where the MTU size is larger than the default.

The jumbo frame feature supports only a single larger-than-default MTU size on the switch. Configuring a Gigabit Ethernet interface with an MTU size greater than the default automatically configures all other interfaces and EtherChannels with MTU sizes greater than the default to the newly configured size. Interfaces that have not been changed from the default are not affected.

Observe the following guidelines when configuring the jumbo frame feature:

To configure the MTU value, perform this task:
Step Command Purpose

1 . 

Router(config)# interface gigabitethernet slot/interface

Access Gigabit Ethernet interface configuration mode.

2 . 

Router(config-if)# mtu mtu_size 9216

Set the MTU size. Valid values are from 1500 to 10240 bytes.

3 . 

Router# show interface gigabitethernet 1/2

Verify the configuration.

This example shows how to set the MTU size on a Gigabit Ethernet interface and verify the configuration:

Router(config)# interface gigabitethernet 1/2 
Router(config-if)# mtu 10240
Router(config-if)# end
Router# show interface gigabitethernet 1/2
GigabitEthernet1/2 is administratively down, line protocol is down
  Hardware is C6k 1000Mb 802.3, address is 0030.9629.9f88 (bia 0030.9629.9f88)
  MTU 10240 bytes, BW 1000000 Kbit, DLY 10 usec,
<...Output Truncated...>
Router#
Note Currently 10240 is the supported maximum MTU size, but this maximum size may change in future releases.

Additional Documentation

The following documents are available for the Catalyst 6000 family switches running IOS release 12.0(7)XE:

Feature Modules

Feature modules describe new features supported by Release 12.0 T and are an update to the Cisco IOS documentation set. As updates, the features modules are available online only. The feature module information is included in the next printing of the Cisco IOS documentation set. Feature modules consist of a brief overview of the feature, benefits, configuration tasks, and a command reference.

To access the feature modules on CCO, follow this path:
Software and Support: Software Center: Cisco IOS Software: Software Configuration: Cisco IOS Release 12.0: New Feature Documentation: New Features in 12.0-Based Limited Lifetime Releases: New Features in Release 12.0XE

To access the feature modules on the documentation CD-ROM, follow this path:
Cisco Product Documentation: Cisco IOS Software Configuration: Cisco IOS Release 12.0: Cisco IOS 12.0XE New Features

Cisco Connection Online

Cisco Connection Online (CCO) is Cisco Systems' primary, real-time support channel. Maintenance customers and partners can self-register on CCO to obtain additional information and services.

Available 24 hours a day, 7 days a week, CCO provides a wealth of standard and value-added services to Cisco's customers and business partners. CCO services include product information, product documentation, software updates, release notes, technical tips, the Bug Navigator, configuration notes, brochures, descriptions of service offerings, and download access to public and authorized files.

CCO serves a wide variety of users through two interfaces that are updated and enhanced simultaneously: a character-based version and a multimedia version that resides on the World Wide Web (WWW). The character-based CCO supports Zmodem, Kermit, Xmodem, FTP, and Internet e-mail, and it is excellent for quick access to information over lower bandwidths. The WWW version of CCO provides richly formatted documents with photographs, figures, graphics, and video, as well as hyperlinks to related information.

You can access CCO in the following ways:

For a copy of CCO's Frequently Asked Questions (FAQ), contact cco-help@cisco.com. For additional information, contact cco-team@cisco.com.

Note If you are a network administrator and need personal technical assistance with a Cisco product that is under warranty or covered by a maintenance contract, contact Cisco's Technical Assistance Center (TAC) at 800 553-2447, 408 526-7209, or tac@cisco.com. To obtain general information about Cisco Systems, Cisco products, or upgrades, contact 800 553-6387, 408 526-7208, or cs-rep@cisco.com.

Documentation CD-ROM

Cisco documentation and additional literature are available in a CD-ROM package, which ships with your product. The Documentation CD-ROM, a member of the Cisco Connection Family, is updated monthly. Therefore, it might be more current than printed documentation. To order additional copies of the Documentation CD-ROM, contact your local sales representative or call customer service. The CD-ROM package is available as a single package or as an annual subscription. You can also access Cisco documentation on the World Wide Web at http://www.cisco.com, http://www-china.cisco.com, or http://www-europe.cisco.com.

If you are reading Cisco product documentation on the World Wide Web, you can submit comments electronically. Click Feedback in the toolbar and select Documentation. After you complete the form, click Submit to send it to Cisco. We appreciate your comments.





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Posted: Thu Sep 21 12:03:01 PDT 2000
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