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September 18, 2000
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Note You can find the most current Cisco IOS documentation on Cisco Connection Online (CCO). These electronic documents may contain updates and modification made after the hardcopy documents were printed. |
These release notes for the Cisco MC3810 multiservice access concentrator describe the enhancements provided in Cisco IOS Release 12.1(3a) XI1. These release notes are updated as necessary.
For a list of software caveats that apply to Cisco IOS Release 12.1(3a) XI1, see the "Caveats" section and Caveats for Cisco IOS Release 12.1 T that accompanies these release notes. The caveats document is updated for every maintenance release and is located on CCO and the Documentation CD-ROM.
Use these release notes with the Cross-Platform Release Notes for Cisco IOS Release 12.1 located on CCO and the Documentation CD-ROM.
These release notes describe the following topics:
The Cisco MC3810 multiservice access concentrator is fully supported by Cisco IOS software for multiprotocol routing, bridging, and Systems Network Architecture (SNA). As part of an enterprise backbone or as customer premises equipment (CPE) to serve provider-managed network services, the Cisco MC3810 reduces operating costs and complexity, and increases network throughput and performance.
The Cisco MC3810 provides a complete file system for software images, message files, and reports. The standard Flash memory size is 8 MB, and a 16-MB upgrade option is available. The 16-MB version can hold two code images simultaneously for fail-safe upgrades.
Management and configuration of the Cisco MC3810 should be familiar to the Cisco IOS user and compatible with existing management systems. As such, it provides a superset of the Cisco command-line interface (CLI). The Cisco MC3810 can be managed by standard Cisco management platforms and facilities such as CiscoView and the native remote log-in facilities provided by Telnet and rlogin. Three types of configuration interfaces are provided:
The HTTP-based interface allows configuration from any web browser such as Netscape Navigator or Microsoft Explorer. The SNMP MIB allows management of the Cisco MC3810 from SNMP managers (for example, HP OpenView).
For information on new features and Cisco IOS commands supported by Cisco IOS Release 12.1(3a) XI1, see the "New and Changed Information" section on page 26 and the "Related Documentation" section on page 33.
This section describes the system requirements for Cisco IOS Release 12.1(3a) XI1:
| 12.1(3a) XI1 Feature Sets | Image Name | Recommended Flash Memory | Recommended DRAM Memory | Runs From |
|---|---|---|---|---|
IP Plus | mc3810-is-mz | 16 MB | 64 MB | RAM |
IP Plus VoATM, VoIP | mc3810-a2isv5-mz | 16 MB | 64 MB | RAM |
Enterprise Plus | mc3810-js-mz | 16 MB | 64 MB | RAM |
Enterprise Plus VoATM, VoIP | mc3810-a2jsv5-mz | 16 MB | 64 MB | RAM |
Enterprise Plus VoATM, VoIP, H323 | mc3810-a2jsv5x-mz | 16 MB | 64 MB | RAM |
Cisco IOS Release 12.1(3a) XI1 supports the Cisco MC3810 multiservice access concentrator. The Cisco MC3810 base chassis is a semi-fixed configuration router that can be customized for a specific application at the factory or in the field by a qualified technician. The base chassis includes the following components:
Cisco MC3810 series concentrators are supplied in various standard hardware configurations. These are equipped with different sets of functional modules to provide specific functional capability. Many configurations are possible, but they are all variations of the basic categories described in Table 2. Supported hardware is shown in Table 3. The chassis opening for any mounting area not equipped with a functional module is closed off with a removable cover plate.
| Category | Service Types Supported | Required Modules | Optional Modules |
|---|---|---|---|
Base chassis | Base chassis services1 | None | Optional modules can be added to create other chassis variations |
Analog voice chassis | Base chassis services1 plus compressed analog voice connections to telephone, fax, central office, analog PBX | AVM (analog voice module) with 1 to 6 APMs (analog personality modules) VCM3 or VCM6 or | MFT2 to support a channelized T1 or E1 trunk MFT2 and VDM3 to support video codec dialing |
Digital voice chassis | Base chassis services1 plus compressed digital voice through digital PBX | DVM VCM3 or VCM6 or | MFT2 to support a channelized T1 or E1 trunk MFT2 and VDM to support video codec dialing |
BRI voice chassis | Base chassis services1 plus compressed digital voice through PINX | BVM and MFT1 VCM3 or VCM6 or | MFT to support a channelized T1 or E1 trunk MFT2 and VDM3 to support video codec dialing |
T1/E1 trunk chassis | Base chassis services1 plus channelized T1 or E1 | MFT2 | DVM to support digital cross-connect voice (channel bank functionality/ VDM3 to support video codec dialing VCM3 and/or VCM6, or HCM2 and/or HCM6, to support voice compression |
| Module or Other Hardware Option | Product Number | |
|---|---|---|
| Voice Interface Modules | 6-port AVM1 | MC3810-AVM6= |
1-port E1 DVM, connects to PBX/channel bank/key system2 | MC3810-DVM-E1= | |
1-port T1 DVM, connects to PBX/channel bank/key system2 | MC3810-DVM-T1= | |
1-port unbalanced E1 DVM, connects to PBX/channel bank/key system2 | MC3810-DVM-BNC= | |
4-port BRI voice module3 | MC3810-BVM4= | |
4-port BRI voice module with NT/TE interface |
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| Video Dialing Module | Supports an RS-366 Automatic Calling Equipment (ACE) interface to the DTE port of the videoconferencing equipment4 | MC3810-VDM= |
| Analog Personality Modules5 | 1-port E & M analog module | MC3810-APM-EM= |
1-port FXS analog module | MC3810-APM-FXS= | |
1-port FXO analog module | MC3810-APM-FXO= | |
1-port FXO analog module, approved for the U.K. | MC3810-FXO-UK= | |
1-port FXO analog module, approved for Germany | MC3810-FXO-GER= | |
1-port FXO analog module, approved for PR26 countries | MC3810-FXO-PR2= | |
1-port FXO analog module, approved for PR37 countries | MC3810-FXO-PR3= | |
| Voice Compression Modules8 | 2-DSP HCM, supports up to 8 channels of compressed voice | MC3810-HCM2= |
6-DSP HCM, supports up to 24 channels of compressed voice | MC3810-HCM6= | |
3-DSP VCM, supports up to 6 channels9 of compressed voice | MC3810-VCM3= | |
6-DSP VCM, supports up to 12 channels9 of compressed voice | MC3810-VCM6= | |
| Multiflex Trunk Modules with Optional BRI | 1-port MFT with RJ-48 channelized T1 interface | MC3810-MFT-T1= |
1-port MFT with RJ-48 channelized E1 interface | MC3810-MFT-E1= | |
1-port MFT with unbalanced E1-BNC interface | MC3810-MFT-BNC= | |
1-port MFT with RJ-48 channelized T1 and BRI S/T interfaces | MC3810-MFT-TBS= | |
1-port MFT with unbalanced E1-BNC and BRI S/T interfaces | MC3810-MFT-EUS= | |
| 1Requires one to six APMs and one voice compression module (VCM3 or VCM6). 2Requires one or two voice compression modules (VCM6) for processed voice. 3Requires one voice compression module (VCM3 or VCM6) and Cisco IOS Release 12.0(4)T or a later release. 4Requires MFT for ATM connectivity and Cisco serial V.35 DCE cable (product order number 72-1721-01) that includes a Ringing Indicator (RI) conductor, and a Cisco RS-366 ACE cable (product order number 72-1722-01) to connect the VDM to the videoconferencing equipment RS-366 dial-up DTE port. 5For use with analog voice modules; one AVM requires at least one APM and supports up to six APMs. 6PR2 countries currently include Australia and New Zealand. 7PR3 countries currently include Japan and Singapore. 8VCMs and Cisco IOS Plus feature sets are required for voice processing (for example, switching, compression, echo cancellation, and silence suppression) but not for drop-and-insert applications. 9Cisco MC3810 maximum voice channel support by compression algorithm: G.711 at 64 kbps = 6 channels; G.726 at 32 kbps = 12 channels; G.729 at 8 kbps = 12 channels; G.729a at 8 kbps = 24 channels. |
To determine the version of Cisco IOS software running on a Cisco MC3810, log in and enter the show version EXEC command:
MC3810>#show version Cisco Internetwork Operating System Software IOS (tm) MC3810 Software (mc3810-js-mz), Version 12.1(3a) XI1, RELEASE SOFTWARE
For general information about upgrading to a new software release, see the product bulletin Cisco IOS Upgrade Ordering Instructions on CCO at:
Technical Documents: Product Bulletins: Software: General System Software Bulletins
Cisco IOS software is packaged in feature sets consisting of software images—depending on the platform. Each feature set contains a specific set of Cisco IOS features.
| Feature Set Matrix Term | Image Name | |
|---|---|---|
| IP Standard Feature Sets | IP Plus | mc3810-is-mz |
IP Plus VoATM, VoIP | mc3810-a2isv5-mz | |
| Enterprise Feature Sets | Enterprise Plus | mc3810-js-mz |
Enterprise Plus VoATM, VoIP | mc3810-a2jsv5-mz | |
Enterprise Plus VoATM, VoIP, H323 | mc3810-a2jsv5x-mz |
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Caution Cisco IOS images with strong encryption (including, but not limited to 168-bit (3DES) data encryption feature sets) are subject to United States government export controls and have limited distribution. Strong encryption images to be installed outside the United States are likely to require an export license. Customer orders may be denied or subject to delay due to United States government regulations. When applicable, purchaser/user must obtain local import and use authorizations for all encryption strengths. Please contact your sales representative or distributor for more information, or send an e-mail to export@cisco.com. |
Table 5 lists the features and feature sets supported by the Cisco MC3810 in Cisco IOS
Release 12.1(3a) XI1 and uses the following conventions:
| Features in 12.1(3a) XI1 | Feature Set | |||||||
|---|---|---|---|---|---|---|---|---|
| IP | IP Plus | IP Plus/ IPSec 56/No ISDN | IP Plus/ No ISDN | IP Plus/ VoIP and VoATM | IP Plus/ VoIP and VoATM/ IPSec 56 | IP Plus/ IPSec 56 | IP Plus/ VoATM | |
Interworking Signaling Enhancements for H.323 and SIP VoIP | No | No | No | No | No | No | No | No |
VIC-2BRI-NT/TE, MC3810-BVM4-NT/TE | No | Yes | No | No | No | No | No | Yes |
Multimedia Conference Manager with Voice Gateway image with RSVP to ATM SVC | No | No | No | No | No | No | No | No |
| Features in 12.1(3a) XI1 | Feature Sets | |||||||
|---|---|---|---|---|---|---|---|---|
| VoATM No ISDN | VoATM IP Sec 56 | VoATM IP Sec 56/No ISDN | IP Plus VoATM, No ISDN 3DES | IP Plus VoATM, VoIP, 3DES | IP Plus VoFR, 3DES | IP PLus VoFR, No ISDN, 3DES | IP Plus, VoATM, 3DES | |
Interworking Signaling Enhancements for H.323 and SIP VoIP | No | No | No | No | No | No | No | No |
VIC-2BRI-NT/TE, MC3810-BVM4-NT/TE | No | No | No | No | No | No | No | No |
Multimedia Conference Manager with Voice Gateway image with RSVP to ATM SVC | No | No | No | No | No | No | No | No |
| Features in 12.1(3a) XI1 | Feature Sets | |||||||
|---|---|---|---|---|---|---|---|---|
| Enter- prise Plus | Enter- prise Plus/IP Sec 56 | Enterprise Plus/VoIP and VoATM | Enterprise Plus/VoIP and VoATM/ IP Sec 56 | Enter- prise Plus VoATM | Enter- prise Plus VoFR, 3DES | Enter- prise Plus VoATM, 3DES | Enterprise Plus VoATM, VoIP, 3DES | |
Interworking Signaling Enhancements for H.323 and SIP VoIP | No | No | Yes | No | No | No | No | No |
VIC-2BRI-NT/TE, MC3810-BVM4-NT/TE | Yes | No | Yes | No | Yes | No | No | No |
Multimedia Conference Manager with Voice Gateway image with RSVP to ATM SVC | No | No | Yes1 | No | No | No | No | No |
| 1ONLY in Enterprise Plus VoIP, VoATM, H323 (mc3810-a2jsv5x-mz) Feature Set |
The following is a list of the new hardware and software features supported by the Cisco MC3810 for Cisco IOS Release 12.1(3a) XI1.
The following new hardware feature is supported in by the Cisco MC3810 in Cisco IOS Release 12.1(3) XI1.
The ISDN BRI Voice Module (BVM4-NT/TE) for the Cisco MC3810 enables Cisco IOS software to replicate the public switched network interface to a PBX that is compatible with European Telecommunications Standards Institute (ETSI) NET3 and QSIG switch types.
The following new software features are supported by the Cisco MC3810 in Cisco IOS Release 12.1(3a) XI1.
The Interworking Signaling Enhancements for H.323 and SIP VoIP feature enables VoIP networks to properly signal the setup and tear-down of calls when interworking with PSTN networks. These enhancements ensure that in-band tones and announcements are generated when needed so that the voice path is cut-through at the appropriate point of call setup and that early alerting (ringing) does not occur. In addition, support for network-side ISDN and the reducing of speech clipping is addressed.
Prior to this feature, customers with PBXs that implement only the BRI TE interface, have had to make substantial hardware and software changes on the PBX to implement the NT interface. The implementation of an NT interface on the router allows the customer to connect ISDN PBXs and Key Systems to a multiservice network with a minimum of configuration changes on the PBX.
The Multimedia Conference Manager with Voice Gateway image with RSVP to ATM feature is designed to deliver Cisco's H.323 gatekeeper, proxy and voice gateway solutions with routing as a single Cisco IOS image. In addition, the ability to map H.323 Resource Reservation Protocol (RSVP) reservations to ATM VBR SVCs (switched virtual circuits) has also been incorporated for guaranteeing QoS (quality of service) over ATM backbones for video applications.
This section contains important information about the use of your Cisco IOS Release 12.1(3a) XI1 software.
Old Cisco Management Information Bases (MIBs) will be replaced in a future release. OLD-CISCO-* MIBS are currently being migrated into more scalable MIBs—without affecting existing Cisco IOS products or NMS applications. You can update from deprecated MIBs to the replacement MIBs as shown in Table 8.
| Deprecated MIB | Replacement |
|---|---|
OLD-CISCO-APPLETALK-MIB | RFC1243-MIB |
OLD-CISCO-CHASSIS-MIB | ENTITY-MIB |
OLD-CISCO-CPUK-MIB | In Development |
OLD-CISCO-DECNET-MIB | NA |
OLD-CISCO-ENV-MIB | CISCO-ENVMON-MIB |
OLD-CISCO-FLASH-MIB | CISCO-FLASH-MIB |
OLD-CISCO-INTERFACES-MIB | IF-MIB CISCO-QUEUE-MIB |
OLD-CISCO-IP-MIB | NA |
OLD-CISCO-MEMORY-MIB | CISCO-MEMORY-POOL-MIB |
OLD-CISCO-NOVELL-MIB | NOVELL-IPX-MIB |
OLD-CISCO-SYS-MIB | (Compilation of other OLD* MIBS) |
OLD-CISCO-SYSTEM-MIB | CISCO-CONFIG-COPY-MIB |
OLD-CISCO-TCP-MIB | CISCO-TCP-MIB |
OLD-CISCO-TS-MIB | NA |
OLD-CISCO-VINES-MIB | CISCO-VINES-MIB |
OLD-CISCO-XNS-MIB | NA |
Serial port 1 is restricted to DCE operation when the following occurs:
This section includes important notes regarding use of the Cisco MC3810 with the Public Switched Telephone Network (PSTN).
Exercise care when connecting switched voice ports on the Cisco MC3810 directly to the PSTN because improper configurations can expose a corporate network to telephone fraud.
The Cisco MC3810 can connect a user from the PSTN directly to the corporate wide-area telephone network. You can configure the Cisco MC3810 as a phone switch that can switch a user to any location in that network, even to remote locations that are connected again to another PSTN. However, the Cisco MC3810 does not provide any mechanism to restrict users from calling after they are connected. Without proper network design, this condition could result in the unauthorized use of the corporate network for making calls at the corporation's expense. To prevent this from occurring, Cisco does not recommend connecting a switched voice interface on the Cisco MC3810 directly to the PSTN. Instead, it should be connected to a PBX that implements a security scheme that prevents unauthorized use.
The same opportunity for illicit use does not exist for nonswitched call types such as pass-through connections, although the possibility for fraud does exist at the direct contact point. Pass-through calls create a path to only a single location specified by the network administrator. For example, a pass-through connection might be used to pass a trunk from a PBX to the PSTN. In this case, the trunk on the PBX always passes straight through the Cisco MC3810 to the PSTN. As a result, the necessary security is provided by the PBX.
Caveats describe unexpected behavior in Cisco IOS software releases. Severity 1 caveats are the most serious caveats; severity 2 caveats are less serious.
This section contains open and resolved caveats for Cisco IOS Release 12.1(3a) XI1. All caveats in Release 12.1 and Release 12.1 T are also in Release 12.1(3a) XI1.
For information on caveats in Cisco IOS Release 12.1 and Release 12.1 T, see Caveats for Cisco IOS Release 12.1 , which lists severity 1 and 2 caveats, and is located on CCO and the Documentation CD-ROM.
The caveats listed in this section are open in Cisco IOS Release 12.1(3a)XI1.
%SYS-2-INLIST
%SYS-2-BADSHARE.
The caveats listed in this section are closed or resolved in Cisco IOS Release 12.1(3a) XI1.
The following sections describe the documentation available for the Cisco MC3810. Typically, 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, except for feature modules, which are available online on CCO and the Documentation CD-ROM.
Use these release notes with the documents listed in the following sections:
The following documents are specific to or support Cisco IOS Release 12.1(3) T. They are located on CCO and the Documentation CD-ROM:
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Note If you have an account with CCO, you can use Bug Navigator II to find caveats of any severity for any release. From the CCO home page, log in and click on this path: Software Center: Cisco IOS Software: Cisco IOS Bug Toolkit: Cisco Bug Navigator II. You can also find Bug Navigator II at http://www.cisco.com/support/bugtools |
The documents listed below are available for the Cisco MC3810. These documents are also available online at Cisco Connection Online (CCO) and on the Documentation CD-ROM.
To reach Cisco MC3810 documentation on CCO, follow this path, beginning under the Service & Support heading:
Technical Documents: Documentation Home Page: Access Servers and Access Routers: Multiservice Access Concentrators
To reach Cisco MC3810 documentation on the Documentation CD-ROM, follow this path:
Cisco Product Documentation: Access Servers and Access Routers: Multiservice Access Concentrators
Feature modules describe new features supported by Cisco IOS Release 12.1 T and are updates 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 features modules are available online only. The feature module information is incorporated into the next printing of the Cisco IOS documentation set.
To reach the feature modules on CCO, follow this path, beginning under the Service & Support heading:
Technical Documents: Documentation Home Page: Cisco IOS Software Configuration: Cisco IOS Release 12.1 T: New Feature Documentation
To reach the feature modules on the Documentation CD-ROM, follow this path:
Cisco Product Documentation: Cisco IOS Software Configuration: Cisco IOS Release 12.1 T: New Feature Documentation
The Cisco IOS software documentation set consists of the Cisco IOS configuration guides, Cisco IOS command references, and several other supporting documents. These documents are shipped with your order in electronic form on the Documentation CD-ROM—unless you specifically ordered the printed versions.
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, Cisco IOS software functionality, and comprehensive configuration examples. Chapters in a command reference provide complete command syntax information. Each configuration guide can be used 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.
To reach these documents on CCO, follow this path, beginning under the Service & Support heading:
Technical Documents: Documentation Home Page: Cisco IOS Software Configuration: Cisco IOS Release 12.1 T: Configuration Guides and Command References
To reach these documents on the Documentation CD-ROM, follow this path:
Cisco Product Documentation: Cisco IOS Software Configuration: Cisco IOS Release 12.1: Configuration Guides and Command References
Table 9 describes the contents of the Cisco IOS Release 12.1 software documentation set, which is available in electronic form and in printed form upon request.
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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 hardcopy documents were printed. |
To reach the Cisco IOS documentation set from CCO, click on this path, beginning under the Service & Support heading:
Technical Documents: Documentation Home Page: Cisco IOS Software Configuration: Cisco IOS Release 12.1 T
To reach the Cisco IOS documentation set on the Documentation CD-ROM, click on this path:
Cisco Product Documentation: Cisco IOS Software Configuration: Cisco IOS Release 12.1 T
| Books | Major Topics |
|---|---|
| Cisco IOS User Interfaces |
| Using Cisco IOS Software |
| Preparing for Dial Access |
| Interface Configuration Overview |
| IP Addressing and Services |
| AppleTalk and Novell IPX Overview |
| Apollo Domain, Banyan VINES, DECnet, ISO CLNS, and XNS Overview |
| Multiservice Applications Overview |
| Quality of Service Overview |
| Security Overview |
| Cisco IOS Switching Services Overview |
| Wide-Area Networking Overview |
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You can access the most current Cisco documentation on the World Wide Web at http://www.cisco.com. Translated documentation can be accessed at http://www.cisco.com/public/countries_languages.shtml.
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.
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).
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 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.
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 |
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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/DirTAC.shtml.
If you have a CCO login account, you can reach the following URL, which contains links and helpful tips on configuring your Cisco products:
http://www.cisco.com/kobayashi/technotes/serv_tips.shtml
This URL is subject to change without notice. If it changes, point your Web browser to CCO and click on this path: Technical Assistance Center: Technical Tips. (You must have a CCO account to access this link.)
The following sections are provided from the Technical Tips page:
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
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We appreciate and value your comments
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Note |
Posted: Mon Sep 18 10:59:13 PDT 2000
Copyright 1989-2000©Cisco Systems Inc.