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Release Notes for Catalyst 6000 Family MSFC Cisco IOS Release 12.1(1)EX

Release Notes for Catalyst 6000 Family MSFC Cisco IOS Release 12.1(1)EX

Current Release (February 22, 2000): 12.1(1)EX

Previous Releases:
12.0(7)XE1, 12.0(7)XE (Deferred), 12.0(3)XE2 (Deferred), 12.0(3)XE1 (Deferred)

Note For information about the deferral of 12.0(7)XE, 12.0(3)XE2, and 12.0(3)XE1, refer to the Field Notice at:
http://www.cisco.com/warp/customer/770/fn11211.shtml
Caution Use these Release Notes if you are running Catalyst software on the supervisor engine and Cisco IOS Release 12.1(1)EX on the MSFC and you have a FlexWAN module installed. These Release Notes do not apply to 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 (refer to the Release Notes for Catalyst 6000 Family for Cisco IOS Release 12.0 XE publication).
Note See the online version of these release notes for the most current information about Release 12.1(1)EX.

These release notes describe the features, modifications, and caveats for Release 12.1(1)EX on the Catalyst 6000 family Multilayer Switch Feature Card (MSFC). These release notes are applicable to Release 12.1(1)EX. For features, modifications, and caveats for the Catalyst 6000 family supervisor engine software, refer to the Release Notes for Catalyst 6000 Family Software Release 5.x document.

Note The MSFC ships with Cisco IOS software installed. Ensure that the Catalyst 6000 family supervisor engine is running supervisor engine software release 5.4(1) or later. Software images are also available through Cisco Connection Online (CCO); see the "Cisco Connection Online" section for details.

Contents

This document consists of these sections:

Early Deployment Releases

Cisco IOS Release 12.1(1)EX supports the Catalyst 6000 family MSFC router daughtercard and FlexWAN module. Release 12.1(1)EX is based on Release 12.1(1)E, but it is available before Release 12.1(1)E is available.

Release 12.1(1)EX will be obsoleted after it is merged into Release 12.1(1)E, which will eventually be merged into 12.1 T. All maintenance updates will be placed into Release 12.1 E and future Release 12.1 E maintenance releases. No maintenance updates will be placed into Release 12.1(1)EX.

For more information about the Cisco IOS software release process, see the Cisco IOS Software Releases: Product Bulletin #537 located on the Documentation CD-ROM and on CCO:
http://www.cisco.com/warp/public/cc/cisco/mkt/ios/rel/prodlit/537_pp.htm

These release notes do not describe features that are available in Release 12.1, Release 12.1 T, or other Release 12.1 Early Deployment (ED) releases.

For information about features in Release 12.1, see the Cross-Platform Release Notes for Cisco IOS Release 12.1 on CCO and the Documentation CD-ROM, when available.

For a list of the software caveats that apply to Release 12.1(1)EX, see the "Open and Resolved Caveats in Release 12.1(1)EX" section.

MSFC Memory Requirements

The following MSFC default memory configurations are acceptable for all MSFC images:

Note While 64 MB is the minimum acceptable DRAM configuration, 128MB of DRAM is recommended for most applications.

Software Ordering Information

Table 1 lists the images available for the MSFC and their order numbers:


Table 1: Software Ordering Information
Filename Description Orderable
Product Number
(Flash on System) 		Orderable
Product Number
(Spare Upgrade—Floppy Media)

c6msfc-boot-mz.121-1.EX.bin

Boot loader (available, but not required to support the FlexWAN module)

N/A

N/A

c6msfc-jsv-mz.121-1.EX.bin

Catalyst 6000 Family MSFC Enterprise with FlexWAN module support

SC6MSFCAV-12101EX

SC6MSFCAV-12101EX=

c6msfc-dsv-mz.121-1.EX.bin

Catalyst 6000 Family MSFC Desktop with FlexWAN module support

SC6MSFCBV-12101EX

SC6MSFCBV-12101EX=

c6msfc-isv-mz.121-1.EX.bin

Catalyst 6000 Family MSFC IP with FlexWAN module support

SC6MSFCCV-12101EX

SC6MSFCCV-12101EX=

c6msfc-dsv-mz.121-1.EX.bin

Catalyst 6000 Family MSFC IP/IPX with FlexWAN module support

SC6MSFCDV-12101EX

SC6MSFCDV-12101EX=

Software Image Feature Sets

The orderable software images contain the following feature sets:

Features in IOS Release 12.1(1)EX

Note See the online version of these release notes for the most current information about Release 12.1(1)EX.

Usage Guidelines and Restrictions

Note Also see the "FlexWAN Module Usage Guidelines and Restrictions" section.

This section provides usage guidelines and restrictions:

Router(config)# ipx route-cache inactivity-timeout 1 100.

The above sets the IPX cache inactivity-timeout to 1 minute and the maximum invalidations per minute to 100.
HSRP addresses only first hop redundancy; it ensures that the default gateway configured on the clients (workstations) remains up even if one router from the HSRP group goes down.
HSRP ensures that traffic going from the client through the default gateway to the ultimate destination is supported with the loss of one MSFC.
The HSRP MAC and IP addresses are never known to the other routers, which means that the reverse traffic from the destination to the originating client may or may not go through the same router. This is especially true if the source and destination are more than one hop away. The second hop router (from the client) will see that the client is reachable through both the MSFCs and through load balancing, could spread the reverse traffic between the two MSFCs.
When one MSFC fails, the HSRP detects it fairly fast (10 seconds based on default HSRP settings), which means that traffic from the client to its destination goes through. However, the second hop router has to rely on the routing protocol's (RIP/OSPF) convergence time (from 30 to 90 seconds) to realize that one MSFC is down and will try to send the reverse traffic to the failed MSFC.
In summary, the reverse traffic flow can happen through either MSFC if the source and destination are more than one hop away.
By making the ACL used for NAT more specific it is possible to limit the software handled packets to only those 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.
If the ACLs on an interface with high priority do not fit in the TCAM, the ACLs for interfaces of lower priority will not be inserted into the TCAM until it is possible to fit the high priority ACLs into the TCAM.
Refer to the Catalyst 6000 Family Multilayer Switch Feature Card and Policy Feature Card Configuration Guide for detailed information.
ip tftp boot-interface tftp_interface
where tftp_interface is the interface the TFTP boot server is on.
SCP-4-DACK_TIMEOUT_MSG:SCP delivery ack timeout for opcode=118
When a delivery acknowledgment timeout occurs for opcode 118 (i.e multicast MLS SCP messages), then the impact depends on whether MMLS is in IDLE or ACTIVE state (can be determined by entering the show mls ip multicast statistics command). If MMLS is ACTIVE, the message is only a warning and can be ignored. If MMLS is IDLE, this message displays:
Multicast MLS is disabled due to internal messaging error
The feature is disabled on the MSFC. You must disable and reenable the IGMP feature on the NMP before reenabling MMLS on the MSFC.

FlexWAN Module Usage Guidelines and Restrictions

Note See the online version of these release notes for the most current information about Release 12.1(1)EX.

Open and Resolved Caveats in Release 12.1(1)EX

This section describes open and resolved caveats in Release 12.1(1)EX.

Open Caveats in Release 12.1(1)EX

This section describes open caveats in Release 12.1(1)EX.

To honor the change in the SPAN configuration, the router software needs to flush the software cache entries on every interface. As a side effect, the Layer 3 table gets purged for each outgoing VLAN. This should only happen when the SPAN configuration changes and the MSFC gets added to or removed from a SPAN session in the ingress direction.
Workaround: Use care when you choose to configure the MSFC as a SPAN source; we recommend that you do so during low traffic. (CSCdm83559)
The MSFC does not send a global purge request to the supervisor engine NMP the first time you enter the no ip routing command on the MSFC after a reload. IP traffic continues to be switched by the NMP even after the MSFC is configured with no ip routing.
Workaround: Issuing the ip routing command followed by the no ip routing command a second time sends a global purge message to the NMP which purges shortcuts on the supervisor engine NMP. (CSCdm91663)

Resolved Caveats in Release 12.1(1)EX

None.

Open Caveats for the FlexWAN Module in Release 12.1(1)EX

Note See the online version of these release notes for the most current information about Release 12.1(1)EX.

This section describes open caveats in Release 12.1(1)EX for the FlexWAN module.

    frame-relay multicast-dlci <dlci>
The FlexWAN modules currently does not support MMLS for traffic going to Frame Relay interfaces when only broadcast DLCIs are configured:
    frame-relay map ip <addr1> <dlci1> broadcast
    frame-relay map ip <addr2> <dlci2> broadcast
    frame-relay map ip <addr3> <dlci3> broadcast
To ensure proper multicast operation with broadcast DLCIs, configure the following on the Frame Relay interface:
    no mls ip multicast
The FlexWAN module supports MMLS for traffic received from Frame Relay interfaces. (CSCdp53762)

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

Related Documentation

The following sections describe the documentation available for the MSFC on Catalyst 6000 family switches. These documents consist of hardware and software installation guides, Cisco IOS configuration and command references, system error messages, feature modules, and other documents. Documentation is available as printed manuals or electronic documents.

Use these release notes with these documents:

Release-Specific Documents

The following documents are specific to Release 12.1 and are located on CCO  and the Documentation CD-ROM:

On CCO  at:
Technical Documents: Documentation Home Page: Cisco IOS Software Configuration: Cisco IOS Release 12.1
http://www.cisco.com/univercd/cc/td/doc/product/software/ios121/121relnt/xprn121/index.htm
On the Documentation CD-ROM at:
Cisco Product Documentation: Cisco IOS Software Configuration: Cisco IOS Release 12.1: Release Notes: Cross-Platform Release Notes
As a supplement to the caveats listed in the "Open and Resolved Caveats in Release 12.1(1)EX" section, see the Caveats for Cisco IOS Release 12.1 document.
On CCO  at:
Technical Documents: Documentation Home Page: Cisco IOS Software Configuration: Cisco IOS Release 12.1: Caveats
On the Documentation CD-ROM at:
Cisco Product Documentation: Cisco IOS Software Configuration: Cisco IOS Release 12.1: Caveats
On CCO  at:
Technical Documents: Documentation Home Page: Cisco IOS Software Configuration: Cisco IOS Release 12.0: Release Notes: Catalyst 6000 Family Multilayer Switches: Release Notes for Cisco IOS Release 12.0 XE : Release Notes for MSFC IOS Release 12.0
On the Documentation CD-ROM at:
Cisco Product Documentation: Cisco IOS Software Configuration: Cisco IOS Release 12.0: Release Notes: Catalyst 6000 Family Multilayer Switches: Release Notes for Cisco IOS Release 12.0 XE : Release Notes for MSFC IOS Release 12.0

Platform-Specific Documents

For information on configuring MSFC and PFC features, refer to these publications at
http://www.cisco.com/univercd/cc/td/doc/product/lan/cat6000/index.htm

Feature Modules

Feature modules describe new features supported by Release 12.1(1) and are an update to the Cisco IOS documentation set.

A feature module consists of a brief overview of the feature, benefits, configuration tasks, and a command reference. As updates, the feature modules are available online on CCO or the documentation CD-ROM. The feature module information is incorporated in the next printing of the Cisco IOS documentation set.

On CCO:
Technical Documents: Documentation Home Page: Cisco IOS Software Configuration: Cisco IOS Release 12.1: New Feature Documentation

On the Documentation CD-ROM:
Cisco Product Documentation: Cisco IOS Software Configuration: Cisco IOS Release 12.1: New Feature Documentation: New Features in Release 12.1

Cisco IOS Software Documentation Set

The Cisco IOS software documentation set consists of the Cisco IOS configuration guides, Cisco IOS command references, and several other supporting documents that are shipped with your order in electronic form on the Documentation CD-ROM, unless you specifically ordered the printed versions.

Documentation Modules

Each module in the Cisco IOS documentation set consists of two books: a configuration guide and a corresponding command reference. Chapters in a configuration guide describe protocols, configuration tasks, and Cisco IOS software functionality and contain comprehensive configuration examples. Chapters in a command reference provide complete command syntax information. You can use each configuration guide in conjunction with its corresponding command reference.

On CCO and the Documentation CD-ROM, two master hot-linked documents provide information for the Cisco IOS software documentation set.

On CCO at:
Technical Documents: Documentation Home Page: Cisco IOS Software Configuration: Cisco IOS Release 12.1: Configuration Guides and Command References

On the Documentation CD-ROM:
Cisco Products Documentation: Cisco IOS Software Configuration: Cisco IOS Release 12.1: Configuration Guides and Command References

Release 12.1 Documentation Set

The following table describes the contents of the Cisco IOS Release 12.1 software documentation set, which is available in electronic form and in printed form ordered.

Note You can find the most current Cisco IOS documentation on CCO  and the Documentation CD-ROM. These electronic documents may contain updates and modifications made after the hard-copy documents were printed.

On CCO  at:
Technical Documents: Documentation Home Page: Cisco IOS Software Configuration: Cisco IOS Release 12.1

On the Documentation CD-ROM at:
Cisco Product Documentation: Cisco IOS Software Configuration: Cisco IOS Release 12.1

Books Chapter Topics

Configuration Fundamentals Configuration Guide

Configuration Fundamentals Command Reference

Configuration Fundamentals Overview
Cisco IOS User Interfaces
File Management
System Management

Bridging and IBM Networking Configuration Guide

Bridging and IBM Networking Command Reference

Transparent Bridging
Source-Route Bridging
Token Ring Inter-Switch Link
Remote Source-Route Bridging
DLSw+
STUN and BSTUN
LLC2 and SDLC
IBM Network Media Translation
DSPU and SNA Service Point
SNA Frame Relay Access Support
APPN
Cisco Database Connection
NCIA Client/Server Topologies
Cisco Mainframe Channel Connection
Airline Product Set

Dial Solutions Configuration Guide

Dial Solutions Command Reference

X.25 over ISDN
Appletalk Remote Access
Asynchronous Callback, DDR, PPP, SLIP
Bandwidth Allocation Control Protocol
ISDN Basic Rate Service
ISDN Caller ID Callback
PPP Callback for DDR
Channelized E1 & T1
Dial Backup for Dialer Profiles
Dial Backup Using Dialer Watch
Dial Backup for Serial Lines
Peer-to-Peer DDR with Dialer Profiles
DialOut
Dial-In Terminal Services
Dial-on-Demand Routing (DDR)
Dial Backup
Dial-Out Modem Pooling
Large-Scale Dial Solutions
Cost-Control Solutions
Virtual Private Dialup Networks
Dial Business Solutions and Examples

Cisco IOS Interface Configuration Guide

Cisco IOS Interface Command Reference

Interface Configuration Overview
LAN Interfaces
Logical Interfaces
Serial Interfaces

Network Protocols Configuration Guide, Part 1

Network Protocols Command Reference, Part 1

IP Overview
IP Addressing and Services
IP Routing Protocols

Network Protocols Configuration Guide, Part 2

Network Protocols Command Reference, Part 2

AppleTalk
Novell IPX

Network Protocols Configuration Guide, Part 3

Network Protocols Command Reference, Part 3

Network Protocols Overview
Apollo Domain
Banyan VINES
DECnet
ISO CLNS
XNS

Security Configuration Guide

Security Command Reference

AAA Security Services
Security Server Protocols
Traffic Filtering and Firewalls
IP Security and Encryption
Passwords and Privileges
Neighbor Router Authentication
IP Security Options

Cisco IOS Switching Services Configuration Guide

Cisco IOS Switching Services Command Reference

Switching Services
Switching Paths for IP Networks
Virtual LAN (VLAN) Switching and Routing

Wide-Area Networking Configuration Guide

Wide-Area Networking Command Reference

Wide-Area Network Overview
ATM
Frame Relay
SMDS
X.25 and LAPB

Voice, Video, and Home Applications Configuration Guide

Voice, Video, and Home Applications Command Reference

Voice over IP
Voice over Frame Relay
Voice over ATM
Voice over HDLC
Frame Relay-ATM Internetworking
Synchronized Clocks
Video Support
Universal Broadband Features

Quality of Service Solutions Configuration Guide

Quality of Service Solutions Command Reference

Policy-Based Routing
QoS Policy Propagation via BGP
Committed Access Rate
Weighted Fair Queueing
Custom Queueing
Priority Queueing
Weighted Random
Early Detection
Scheduling
Signaling
RSVP
Packet Drop
Frame Relay Traffic Shaping
Link Fragmentation
RTP Header Compression

  • Cisco IOS Software Command Summary

  • Dial Solutions Quick Configuration Guide

  • System Error Messages

  • Debug Command Reference

 

Obtaining Documentation

World Wide Web

You can access the most current Cisco documentation on the World Wide Web at http://www.cisco.com, http://www-china.cisco.com, or http://www-europe.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 is updated monthly. Therefore, it is probably more current than printed documentation. The CD-ROM package is available as a single unit or as an annual subscription.

Ordering Documentation

Registered CCO users can order the Documentation CD-ROM and other Cisco Product documentation through our online Subscription Services at http://www.cisco.com/cgi-bin/subcat/kaojump.cgi.

Nonregistered CCO users can order documentation through a local account representative by calling Cisco's corporate headquarters (California, USA) at 408 526-4000 or, in North America, call 800 553-NETS (6387).

Obtaining Technical Assistance

Cisco provides Cisco Connection Online (CCO) as a starting point for all technical assistance. Warranty or maintenance contract customers can use the Technical Assistance Center. All customers can submit technical feedback on Cisco documentation using the web, e-mail, a self-addressed stamped response card included in many printed docs, or by sending mail to Cisco.

Cisco Connection Online

Cisco continues to revolutionize how business is done on the Internet. Cisco Connection Online is the foundation of a suite of interactive, networked services that provides immediate, open access to Cisco information and resources at anytime, from anywhere in the world. This highly integrated Internet application is a powerful, easy-to-use tool for doing business with Cisco.

CCO's broad range of features and services helps customers and partners to streamline business processes and improve productivity. Through CCO, you will find information about Cisco and our networking solutions, services, and programs. In addition, you can resolve technical issues with online support services, download and test software packages, and order Cisco learning materials and merchandise. Valuable online skill assessment, training, and certification programs are also available.

Customers and partners can self-register on CCO to obtain additional personalized information and services. Registered users may order products, check on the status of an order and view benefits specific to their relationships with Cisco.

You can access CCO in the following ways:

You can e-mail questions about using CCO to cco-team@cisco.com.

Technical Assistance Center

The Cisco Technical Assistance Center (TAC) is available to warranty or maintenance contract customers who need technical assistance with a Cisco product that is under warranty or covered by a maintenance contract.

To display the TAC web site that includes links to technical support information and software upgrades and for requesting TAC support, use www.cisco.com/techsupport.

To contact by e-mail, use one of the following:

Language E-mail Address

English

tac@cisco.com

Hanzi (Chinese)

chinese-tac@cisco.com

Kanji (Japanese)

japan-tac@cisco.com

Hangul (Korean)

korea-tac@cisco.com

Spanish

tac@cisco.com

Thai

thai-tac@cisco.com

In North America, TAC can be reached at 800 553-2447 or 408 526-7209. For other telephone numbers and TAC e-mail addresses worldwide, consult the following web site: http://www.cisco.com/warp/public/687/Directory/DirTASC.shtml.

Documentation Feedback

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

You can e-mail your comments to bug-doc@cisco.com.

To submit your comments by mail, for your convenience many documents contain a response card behind the front cover. Otherwise, you can mail your comments to the following address:

Cisco Systems, Inc.
Document Resource Connection
170 West Tasman Drive
San Jose, CA 95134-9883

We appreciate and value your comments.





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Posted: Thu Sep 21 11:59:14 PDT 2000
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