Table of Contents

Contents
Introduction
System Requirements

Memory Requirements
Hardware Supported
Determining Your Software Release
Microcode Software
Feature Set Tables

New and Changed Information

New Features in Release 12.0(2)XE

Gigabit Ethernet Interface Processor
Cisco 7576 Router
PA-MC-T3 Multi-Channel T3 Port Adapter
PA-MC-E3 Multi-Channel E3 Synchronous Serial Port Adapter
PA-MC-8EI/120, PA-MC-4TI, PA-MC-8TI, and PA-MC-8DSX1 Multi-channel E1 and T1 ISDN PRI Port Adapters

New Features in Release 12.0(1)XE

Cisco 7200 VXR Series Router
NPE-300

Important Notes

Deferral Notice

Caveats

Caveats for Release 12.0(2)XE

Related Documentation

Release-Specific Documents
Feature Modules
Hardware Documents
Software Documents

Service and Support
Software Configuration Tips on the Cisco TAC Home Page
Cisco Connection Online
Documentation CD-ROM

Release Notes for Cisco 7000 Family for Cisco IOS Release 12.0 XE

January 18, 1999

These release notes describe the features for the Cisco 7000 family of routers that support Cisco IOS Release 12.0(2)XE. Cisco IOS Release 12.0 XE is based on Cisco IOS Release 12.0 T.

Use these release notes in conjunction with the Release Notes for Cisco IOS Release 12.0 located on Cisco Connection Online (CCO) and the Documentation CD-ROM. All features supported in Release 12.0 and Release 12.0 T are supported in Release 12.0 XE.

In addition to the caveats listed in "Important Notes" section of this document, the software caveats that apply to Release 12.0 and Release 12.0 T also apply to Release 12.0 XE. For information on other caveats that might apply to Cisco IOS Release 12.0 XE, the caveats documents for Release 12.0 and Release 12.0T  are located on CCO and on the Documentation CD-ROM.

Contents

These release notes discuss the following topics:

• Introduction

• System Requirements

• New and Changed Information

• Important Notes

• Related Documentation

• Service and Support

• Software Configuration Tips on the Cisco TAC Home Page

• Cisco Connection Online

• Documentation CD-ROM

Introduction

Cisco Systems provides several software release "trains" based on a single version of Cisco IOS software. Maintenance releases of the Major train software (such as 12.0) deliver fixes to software defects only, thus providing the most stable software for your network, for the features you need. In addition to the Major train, there are Early Deployment (ED) trains. One ED train---Release 12.0 XE---delivers both fixes to software defects and support for new Cisco platforms and new features.

Detailed software configuration information on the new features and Cisco IOS commands supported by Release 12.0 XE are available on the Documentation CD-ROM and on the Web at http://www.cisco.com.  For more information, refer to the "Related Documentation" section later in this document.

These release notes do not describe features that are available in Release 12.0 or 12.0 T. For information about features in Release 12.0, refer to the Release Notes for Cisco IOS Release 12.0 . For information about features in Release 12.0 T, refer to the "Feature Set Tables" section later in this document.

Cisco IOS Early Deployment Release 12.0(2)XE is synched from 12.0(2.5)T. The 12.0(2)XE will be merged into 12.0(3)T. All maintenance updates will be placed into Release 12.0(3)T and future 12.0T maintenance releases. No maintenance updates will be placed in 12.0(2)XE. For more information about the Cisco IOS software release process, see the Types of Cisco IOS Software Releases: Product Bulletin #537 located on CCO and on the Documentation CD-ROM.

System Requirements

This section describes the system requirements for Release 12.0 XE and includes the following sections:

• Memory Requirements

• Hardware Supported

• Determining Your Software Release

• Microcode Software

• Feature Set Tables

Memory Requirements

Table 1 describes the memory requirements for the feature sets for the Cisco 7000 family of routers supported by Cisco IOS Release 12.0 XE.

Cisco 7200 series routers, Cisco 7500 series routers, and Cisco 7000 series routers with the RSP7000 and RSP7000CI are shipped with a 16- or 20-MB Flash memory card. All feature sets for Cisco 7500 series and Cisco 7000 series routers with RSP7000 and RSP7000CI include VIP support.

Table 1: Memory Requirements for Cisco 7000 Family of Routers

Feature Set by Router	Image Name	Required Flash Memory	Required DRAM Memory	Release 12.0 XE Runs From
Cisco 7200 Series
Enterprise/APPN/DBCONN	c7200-aejs-mz	16 MB	32 MB	RAM
Enterprise/APPN/DBCONN 40	c7200-aejs40-mz	16 MB	32 MB	RAM
Enterprise/APPN/DBCONN IPSec 56	c7200-aejs56i-mz	16 MB	32 MB	RAM
Enterprise/APPN	c7200-ajs-mz	16 MB	32 MB	RAM
Enterprise/APPN 40	c7200-ajs40-mz	16 MB	32 MB	RAM
Enterprise/APPN IPSec 56	c7200-ajs56i-mz	16 MB	32 MB	RAM
Desktop/IBM	c7200-ds-mz	16 MB	32 MB	RAM
Desktop/IBM 40	c7200-ds40-mz	16 MB	32 MB	RAM
Desktop/IBM IPSec 56	c7200-ds56i-mz	16 MB	32 MB	RAM
Network Layer 3 Switching	c7200-inu-mz	16 MB	32 MB	RAM
IP	c7200-is-mz	16 MB	32 MB	RAM
IP 40	c7200-is40-mz	16 MB	32 MB	RAM
IP IPSec 56	c7200-is56i-mz	16 MB	32 MB	RAM
Enterprise	c7200-js-mz	16 MB	32 MB	RAM
Enterprise 40	c7200-js40-mz	16 MB	32 MB	RAM
Enterprise IPSec 56	c7200-js56i-mz	16 MB	32 MB	RAM
Cisco 7500 Series
Enterprise/APPN/DBCONN	rsp-aejsv-mz	16 MB	32 MB	RAM
Enterprise/APPN/DBCONN 40	rsp-aejsv40-mz	16 MB	32 MB	RAM
Enterprise/APPN/DBCONN IPSec 56	rsp-aejsv56i-mz	16 MB	32 MB	RAM
Enterprise/APPN	rsp-ajsv-mz	16 MB	32 MB	RAM
Enterprise/APPN 40	rsp-ajsv40-mz	16 MB	32 MB	RAM
Enterprise/APPN IPSec 56	rsp-ajsv56i-mz	16 MB	32 MB	RAM
Desktop/IBM/APPN	rsp-adsv-mz	16 MB	32 MB	RAM
Desktop/IBM	rsp-dsv-mz	16 MB	32 MB	RAM
Desktop/IBM 40	rsp-dsv40-mz	16 MB	32 MB	RAM
Desktop/IBM IPSec 56	rsp-dsv56i-mz	16 MB	32 MB	RAM
IP	rsp-isv-mz	16 MB	32 MB	RAM
IP 40	rsp-isv40-mz	16 MB	32 MB	RAM
IP IPSec 56	rsp-isv56i-mz	16 MB	32 MB	RAM
Enterprise	rsp-jsv-mz	16 MB	32 MB	RAM
Enterprise 40	rsp-jsv40-mz	16 MB	32 MB	RAM
Enterprise IPSec 56	rsp-jsv56i-mz	16 MB	32 MB	RAM

.

Hardware Supported

Cisco IOS Release 12.0 XE supports the following platforms:

• Cisco 7200 series (including the Cisco 7202, Cisco 7204, 7204VXR, Cisco 7206 and 7206VXR)

• Cisco 7500 series (including the Cisco 7505, Cisco 7507, Cisco 7513, and Cisco 7576)

• Cisco 7000 series routers (including the Cisco 7000 and Cisco 7010) upgraded with the 7000 Series Route Switch Processor (RSP7000) and 7000 Series Chassis Interface (RSP7000CI)

Determining Your Software Release

To determine the version of Cisco IOS software currently running on the Cisco 7000 family of routers, log on to the router and use the show version EXEC command. The following is sample output from the show version command. The version number is indicated on the second line as shown below:

Cisco Internetwork Operating System Software 
IOS (tm) 7200 Software (C7200-JS-M), Version 12.0(2)XE, RELEASE SOFTWARE
 

Additional command output lines include more information, such as processor revision numbers, memory amounts, hardware IDs, and partition information.

Microcode Software

Table 2 lists the current microcode versions for the Cisco 7500/RSP series. Microcode software images are bundled with the system software image. Bundling eliminates the need to store separate microcode images. When the router starts, the system software unpacks the microcode software bundle and loads the proper software on all the interface processor boards. For more information on microcode, refer to the Release Notes for Cisco IOS Release 12.0  located on CCO and the Documentation CD-ROM.

.
Table 2: Current Microcode Versions

Processor or Module	Current Bundled RSP Microcode Version	Minimum Version Required
AIP (ATM Interface Processor)	20.13	20.13
EIP (Ethernet Interface Processor)	20.3	20.3
FEIP (Fast Ethernet Processor)	20.7	20.7
FIP (FDDI Interface Processor)	20.4	20.4
FSIP (Fast Serial Interface Processor)	20.9	20.9
HIP (HSSI Interface Processor)	20.2	20.2
MIP (MultiChannel Interface Processor)	22.3	22.3
TRIP (Token Ring Interface Processor)	20.2	20.2
VIP2/VIP2C (Versatile Interface Processor)	22.20	22.20
AIP (ATM Interface Processor)	20.13	20.13

Feature Set Tables

The Cisco IOS software is packaged in feature sets (also called software images) depending on the platform. Each feature set contains a specific set of Cisco IOS features. Table 3 lists the Cisco IOS software feature sets available for the Cisco 7000 family of routers in Cisco IOS Release 12.0XE. Release 12.0XE supports the same feature sets as Release 12.0 and 12.0T, but it might also have new features supported by the Cisco 7000 family of routers. Table 4 through Table 7 list the features supported by each feature set for each platform. For a list of new features supported by Cisco IOS Release 12.0XE, please refer to the "New and Changed Information" section of these release notes.

Cisco IOS images with strong encryption (including, but not limited to, 56-bit DES) are subject to U.S. government export controls and have a limited distribution. Images to be installed outside the U.S. require an export license. Customer orders may be denied or subject to delay due to U.S. government regulations. Contact your sales representative or distributor for more information, or send e-mail to export@cisco.com.

Table 3: Cisco IOS Release 12.0 XE Supported Feature Sets

Feature Set	Software Image	Platform
IP	c7200-is-mz	Cisco 7200 series
	rsp-isv-mz	Cisco 7500/RSP series
IP 40	c7200-is40-mz	Cisco 7200 series
	rsp-isv40-mz	Cisco 7500/RSP series
IP IPSec 56	c7200-is56i-mz	Cisco 7200 series
	rsp-isv56i-mz	Cisco 7500/RSP series
Desktop IBM	c7200-ds-mz	Cisco 7200 series
	rsp-dsv-mz	Cisco 7500/RSP series
Desktop IBM APPN	rsp-adsv-mz	Cisco 7500/RSP series
Desktop IBM 40	c7200-ds40-mz	Cisco 7200 series
	rsp-dsv40-mz	Cisco 7500/RSP series
Desktop IBM IPSec 56	c7200-ds56i-mz	Cisco 7200 series
	rsp-dsv56i-mz	Cisco 7500/RSP series
Enterprise	c7200-js-mz	Cisco 7200 series
	rsp-jsv-mz	Cisco 7500/RSP series
Enterprise 40	c7200-js40-mz	Cisco 7200 series
	rsp-jsv40-mz	Cisco 7500/RSP series
Enterprise IPSec 56	c7200-js56i-mz	Cisco 7200 series
	rsp-jsv56i-mz	Cisco 7500/RSP series
Enterprise APPN	c7200-ajs-mz	Cisco 7200 series
	rsp-ajsv-mz	Cisco 7500/RSP series
Enterprise APPN 40	c7200-ajs40-mz	Cisco 7200 series
	rsp-ajs40-mz	Cisco 7500/RSP series
Enterprise APPN IPSec 56	c7200-ajs56i-mz	Cisco 7200 series
	rsp-ajs56i-mz	Cisco 7500/RSP series
Enterprise APPN DBConn	c7200-aejs-mz	Cisco 7200 series
	rsp-aejsv-mz	Cisco 7500/RSP series
Enterprise APPN DBConn 40	c7200-aejs40-mz	Cisco 7200 series
	rsp-aejs40-mz	Cisco 7500/RSP series
Enterprise APPN DBConn IPSec 56	c7200-aejs56i-mz	Cisco 7200 series
	rsp-aejs56i-mz	Cisco 7500/RSP series
Netflow Layer 3 Switching	c7200-inu-mz	Cisco 7200 series

Cisco IOS software is available in different feature sets depending on the platform. Table 4 and Table 5 list the feature sets for Cisco 7200 series routers. Table 6 and Table 7 list the feature sets for Cisco 7500 series routers and Cisco 7000 series routers with RSP7000 and RSP7000CI. Table 6 lists optional feature set licenses for the Cisco 7000 family of routers.

The tables use the following conventions to identify feature sets:

• Yes---The feature set is offered for the platform

• No---The feature set is not offered for the platform

• In ---The 12.0T maintenance release that first introduces a feature. For example, (2) means a feature is introduced in 12.0(2)T. If a cell is empty in this column, the feature was included in the initial base release. .
  Table 4: Cisco IOS Software Feature Sets for the Cisco 7200 Series, Part 1

  Features	In1	Desktop /IBM	Desktop/IBM 40	Desktop/IBM IPSec 56	IP	IP 40	IP IPSec 56
  Connectivity
  Level 2 Tunnel Protocol (L2TP)	(1)	Yes	Yes	Yes	Yes	Yes	Yes
  RIP Enhancements	(1)	Yes	Yes	Yes	Yes	Yes	Yes
  IBM Support
  Bridging Code Rework		No	No	No	No	No	No
  RIF Passthru in DLSw+		Yes	Yes	Yes	Yes	Yes	Yes
  Internet
  WCCP		Yes	Yes	Yes	Yes	Yes	Yes
  IP Routing
  Easy IP Phase 2-DHCP Server	(1)	Yes	Yes	Yes	Yes	Yes	Yes
  Expanded IP Access Lists		Yes	Yes	Yes	Yes	Yes	Yes
  MAC Address and Precedence Accounting		Yes	Yes	Yes	Yes	Yes	Yes
  OSPF Packet Pacing	(1)	Yes	Yes	Yes	Yes	Yes	Yes
  OSPF Point to Multipoint		Yes	Yes	Yes	Yes	Yes	Yes
  LAN Support
  Fast EtherChannel I and II		No	No	No	No	No	No
  Management
  Cisco IOS File System		Yes	Yes	Yes	Yes	Yes	Yes
  Conditionally Triggered Debugging		Yes	Yes	Yes	Yes	Yes	Yes
  Entity MIB		Yes	Yes	Yes	Yes	Yes	Yes
  Expression MIB		Yes	Yes	Yes	Yes	Yes	Yes
  ISDN MIB RFC 2127	(1)	Yes	Yes	Yes	Yes	Yes	Yes
  NetFlow Switching Enhancements		Yes	Yes	Yes	Yes	Yes	Yes
  NPE-200 Network Processing Engine		Yes	Yes	Yes	Yes	Yes	Yes
  SNMP Inform Request		No	No	No	No	No	No
  SNMP Manager		Yes	Yes	Yes	Yes	Yes	Yes
  Quality of Service
  CLI Search String	(1)	Yes	Yes	Yes	Yes	Yes	Yes
  Committed Access Rate		Yes	Yes	Yes	Yes	Yes	Yes
  Distributed Weighted Random Early Detection		Yes	Yes	Yes	Yes	Yes	Yes
  Quality of Service Policy Propagation via BGP		Yes	Yes	Yes	Yes	Yes	Yes
  Scalability
  IETF Compliant PPP Over ATM Scalability	(1)	Yes	Yes	Yes	Yes	Yes	Yes
  Security
  Additional Vendor-Proprietary RADIUS Attributes		Yes	Yes	Yes	Yes	Yes	Yes
  Automated Double Authentication		Yes	Yes	Yes	Yes	Yes	Yes
  Certificate Authority Interoperability		No	No	Yes	No	No	Yes
  Internet Key Exchange Security Protocol		No	No	Yes	No	No	Yes
  IPSec Network Security		No	No	Yes	No	No	Yes
  MS-CHAP Support		No	No	No	No	No	No
  Named Method Lists for AAA Authentication & Accounting		Yes	Yes	Yes	Yes	Yes	Yes
  Switching
  Automatic Protection Switching of Packet-over-SONET Circuits		Yes	Yes	Yes	Yes	Yes	Yes
  Cisco Express Forwarding (CEF)		Yes	Yes	Yes	Yes	Yes	Yes
  Cisco IOS STP Enhancements	(1)	Yes	Yes	Yes	Yes	Yes	Yes
  Multicast Distributed Switching		Yes	Yes	Yes	Yes	Yes	Yes
  WAN Services
  Always On Dynamic ISDN		No	No	No	No	No	No
  ATM E.164 Auto Conversion		Yes	Yes	Yes	Yes	Yes	Yes
  ATM PVC Trap Support	(1)	Yes	Yes	Yes	Yes	Yes	Yes
  Cisco IOS IEEE 802.1Q	(1)	Yes	Yes	Yes	Yes	Yes	Yes
  Mobile IP	(1)	Yes	Yes	Yes	Yes	Yes	Yes
  MPPC -- MS PPP Compression		Yes	Yes	Yes	Yes	Yes	Yes
  Multiple ISDN Switch Types		Yes	Yes	Yes	Yes	Yes	Yes
  Multiprotocol over ATM		Yes	Yes	Yes	Yes	Yes	Yes
  National ISDN Switch Types		Yes	Yes	Yes	Yes	Yes	Yes
  Stackable Home Gateway		Yes	Yes	Yes	Yes	Yes	Yes
  Time-Based Access Lists	(1)	Yes	Yes	Yes	Yes	Yes	Yes
  VPDN MIB Feature		Yes	Yes	Yes	Yes	Yes	Yes

  1Indicates the 12.0T maintenance release in which the feature was introduced.

New and Changed Information

The following sections list the new features supported by the Cisco 7000 family of routers in Cisco IOS Release 12.0 XE.

New Features in Release 12.0(2)XE

The following new features are supported by the Cisco 7000 family of routers in Cisco IOS Release 12.0(2)XE. For easy online access, the feature modules are linked to the applicable Cisco IOS feature module if one exists. Click on the link to open the feature module.

Gigabit Ethernet Interface Processor

The Gigabit Ethernet Interface Processor (GEIP)  is a single-port fixed configuration interface processor that, when combined with the appropriate optical fiber cable, provides one 1000-Mbps Gigabit Ethernet interface that complies with IEEE 802.032 standards. The Gigabit Ethernet interface operates in full-duplex mode at 1000 Mbps in each direction: transmit (TX) and receive (RX).

The GEIP is available on all Cisco 7500 series routers and Cisco 7000 series routers with the 7000 Series Route Switch Processor (RSP7000) and 7000 Series Chassis Interface (RSP7000CI).

An increased maximum Ethernet packet size of 1500 takes advantage of increased bandwidth and the full-duplex point-to-point link. An interface command mtu (maximum transmission unit) allows users to specify an MTU size up to 16K (maximum supported by FX1000). The minimum allowable MTU size is 1500 bytes.

If the interface is configured with a fall-back option, the other port will be reconfigured to support a large packet when a switch-over occurs.

For more information on the GEIP, refer to the GEIP Installation and Configuration Notes . 

Cisco 7576 Router

The Cisco 7576 router  is the newest member of the Cisco 7500 series of routers, which consists of the 5-slot Cisco 7505, 7-slot Cisco 7507, and the 13-slot Cisco 7513. The Cisco 7576 router supports multiprotocol and multimedia routing and bridging with a wide variety of protocols and any combination of available electrical interfaces and media.

The Cisco 7576 router consists of two independent routers configured on a single backplane. This system is housed within the chassis footprint of a Cisco 7513 router. The dual independent router design effectively doubles the system bandwidth that exists in the Cisco 7513 router.

Network interfaces reside on interface processors that provide a direct connection between the two independent dual CyBuses located on the backplane of the Cisco 7576 router and your external networks. The two independent dual CyBuses facilitate the configuration of two independent routers on a single backplane. These routers are identified as router "A" and router "B."

There are bays for up to two AC-input or DC-input power supplies. The Cisco 7576 router will operate with one power supply. While a second power supply is not required, a second power supply allows load sharing and increased system availability.

For additional information on the Cisco 7576 router, refer to the following URL: http://www.cisco.com/univercd/cc/td/doc/product/core/cis7576/index.htm  

PA-MC-T3 Multi-Channel T3 Port Adapter

The PA-MC-T3 Multi-Channel T3 port adapter  is available on Cisco 7200 series routers, Second-Generation Versatile Interface Processor (VIP2) in Cisco 7500 series routers, and Cisco 7000 series routers with the 7000 Series Route Switch Processor (RSP7000) and 7000 Series Chassis Interface (RSP7000CI).

The PA-MC-T3 has one channelized T3 high-speed serial interface that provides access to services at T1 data rates, transferring data bidirectionally.

This port adapter divides the T3 signal stream into 28 T1 lines that can be further divided into the 64 kbps level, up to a total of 128 channels.

For additional information on the PA-MC-T3 port adapter, refer to the PA-MC- T3 Multi-Channel T3 Port Adapter Installation and Configuration  publication that accompanies the hardware.

PA-MC-E3 Multi-Channel E3 Synchronous Serial Port Adapter

The PA-MC-E3 Multi-Channel E3 synchronous serial port adapter  is available on Cisco 7200 series routers, Cisco 7500 series routers, and Cisco 7000 series routers with the 7000 Series Route Switch Processor (RSP7000) and 7000 Series Chassis Interface (RSP7000CI). The PA-MC-E3 has one channelized E3 high-speed serial interface that provides access to services at E1 (2.048 Mbps) data rates, transferring data bidirectionally. This port adapter divides the E3 signal stream into 16 E1 lines that can be further divided to the 64-kbps level, up to a total of 128 channels. The PA-MC-E3 complies with CCITT/ITU G.703 physical layer standards and CCITT/ITU G.751 for E3, G.742 for E2, and G.704 and G.706 for E1 fault and alarm detection and response actions. The E1 lines can be configured as channelized, fractional, and unframed. PRI ISDN will be supported in a later release.

For more information on the PA-MC-E3 Multi-Channel E3 Synchronous Serial Port Adapter, refer to the PA-MC-E3 Multi-Channel E3 Synchronous Serial Port Adapter Installation and Configuration  publication.

PA-MC-8EI/120, PA-MC-4TI, PA-MC-8TI, and PA-MC-8DSX1 Multi-channel E1 and T1 ISDN PRI Port Adapters

The multi-channel E1 and T1 Integrated Services Digital Network (ISDN) Primary Rate Interface (PRI) port adapters (PA-MC-8E1/120, PA-MC-4T1, PA-MC-8T1, and PA-MC-8DSX1)  are available on Cisco 7200 series routers, Cisco 7500 series routers, and Cisco 7000 series routers with the 7000 Series Route Switch Processor (RSP7000) and 7000 Series Chassis Interface (RSP7000CI).

The PA-MC-8E1/120, PA-MC-4T1, and PA-MC-8T1 are single-wide modules that integrate channel service unit (CSU) functionality, data service unit (DSU) functionality, and E1 or T1 channel support into the Cisco router. The PA-MC-8DSX1 is a single-wide module that integrates DS1 DSU functionality and DS0 channel support into the Cisco router.

The PA-MC-8E1/120, PA-MC-4T1, PA-MC-8T1, and PA-MC-8DSX1 provide four or eight independent T1 (100-ohm) or E1 (120-ohm) connections via RJ-48C connectors. Each T1 or E1 port adapter can provide up to 128 separate full-duplex HDLC fractional or full T1 or E1 channels. Individual T1 connections of the DSX-1 version of the port adapters can connect to external CSUs, to digital cross connects (DACS), or to any other equipment that uses a DSX-1 interface.

For more information on these port adapters, refer to the following publications that accompany the hardware:

Multichannel DS1/PRI Port Adapter Installation and Configuration  

Multitchannel E1/PRI Port Adapter Installation and Configuration  

New Features in Release 12.0(1)XE

The following new features are supported by the Cisco 7000 family of routers in Cisco IOS Release 12.0(1)XE. For easy online access, the feature modules are linked to the applicable Cisco IOS feature module if one exists. Click on the link to open the feature module.

Cisco 7200 VXR Series Router

The Cisco 7200 VXR series routers are the newest multiservice members of the Cisco 7200 series routers. The Cisco 7200 VXR routers include the Cisco 7204VXR (4-slot router) and the Cisco 7206VXR (6-slot router). The Cisco 7200 VXR routers are designed to support gigabit capabilities and to improve data, voice, and video integration in both service provider and enterprise environments.

The Cisco 7200 VXR routers include a new midplane that incorporates an integrated time division multiplexing (TDM) switch and Multiservice Interchange (MIX) capability to support future voice applications. MIX interconnects on the midplane provide the ability to switch DS-0 time slots between multichannel T1 or E1 interfaces, much like a digital cross-connect or an add-drop multiplexer. This feature enables the Cisco 7200 VXR routers to switch DS-0 voice channels on a T1 or E1 interface from one voice processing port adapter to another voice processing port adapter. It also enables DS-0s to be switched through the Cisco 7200 VXR routers without any processing, a requirement in certain voice configurations.

The new Cisco 7200 VXR midplane also supports a high-speed network processing engine (NPE-300) to provide increased routing and process switching performance. The Cisco 7204VXR and Cisco 7206VXR both support the NPE-300 in addition to supporting all available network processing engines. The Cisco 7200 VXR routers with the NPE-300 installed support both 25-MHz and 50-MHz port adapter operation.

The Cisco 7206VXR supports high-density port adapters allowing up to 48 Ethernet or serial (clear-channel or channelized) ports, 24 Token Ring ports, 12 HSSI ports, or 6 Fast Ethernet or ATM ports. In multichannel networking environments, the Cisco 7200 VXR routers can support up to 48 channelized T1/E1 lines and up to 6 channelized T3/E3 lines.

For additional information on Cisco 7200VXR series routers, refer to the following URL: http://www.cisco.com/univercd/cc/td/doc/product/core/7200vx/72vxicg/index.htm  

NPE-300

The network processing engine NPE-300 is the newest and the highest performance processor in the family of network processing engines for the Cisco 7200 series routers. The NPE-300 performs at a rate of approximately 300,000 packets per second (pps) in Fast Switching, a 50 percent increase over the NPE-200 performance.

The NPE-300 uses a high-performance 262.5-MHz R7000 RISC processor and can support up to 256 MB of memory providing superior performance for both enterprise and service provider applications that require processor-intensive services. Network layer services such as traffic management, security, and QoS benefit significantly from the high performance of NPE-300.

A Cisco 7200 VXR router equipped with an NPE-300 can support up to six high-speed port adapters and can also support higher-speed port adapter interfaces including Gigabit Ethernet and OC-12 ATM. The NPE-300 uses SDRAM for storing all packets received or sent from network interfaces. The SDRAM also stores routing tables and network accounting applications. There are two independent SDRAM memory arrays in the system that allow concurrent access by port adapters and the processor. The NPE-300 can be configured with up to 256 MB of processor and packet memory, which is double the 128 MB memory limit on the NPE-200.

Important Notes

Deferral Notice

12.0(2)XE is being deferred on both the 7200 and 7500 platforms. The What's Hot for Cisco IOS Software Release 12.0 document contains information regarding deferrals in Release 12.0XE. On CCO, follow this path:

Software and Support: Software Center: Cisco IOS Software: Cisco IOS 12.0: What's Hot for Cisco IOS Software Release 12.0

Caveats

This section contains the open caveats for the current Cisco IOS maintenance release only. The caveats document for Cisco IOS Release 12.0T is located on CCO and the Documentation CD-ROM.

If you have an account with CCO, you can use Bug Navigator II to find caveats of any severity for any release. Bug Navigator II is at http://www.cisco.com/support/bugtools, or from CCO, select Software & Support:Technical Tools:Bug Toolkit II

The software caveats that apply to Release 12.0 and Release 12.0 T also apply to Release 12.0 XE.

Caveats for Release 12.0(2)XE

This section describes possibly unexpected behavior by Release 12.0(2)XE. There are currently no severity 1 or severity 2 caveats in Release 12.0(2)XE.

Related Documentation

The following sections describe the documentation available for the Cisco 7000 family of routers. Typically these documents consist of hardware installation guides, Cisco IOS configuration and command references, system error messages, and feature modules, which are updates to the Cisco IOS documentation. Documentation is available as printed manuals or electronic documents, except for feature modules, which are available online only.

The most up-to-date documentation can be found on the Web via Cisco Connection Online (CCO) and on the latest Documentation CD-ROM. These electronic documents might contain updates and modifications made after the paper documents were printed. For information on CCO, refer to the"Cisco Connection Online" section. For more information on to the CD-ROM, refer to the "Documentation CD-ROM" section.

Release-Specific Documents

Use these release notes in conjunction with the Release Notes for Cisco IOS Release 12.0  located on Cisco Connection Online (CCO) and the Documentation CD-ROM.

For field notices and other important information relating to a specific software release, refer to the What's Hot for Cisco IOS Software Release 12.0 document located on CCO.

Software and Support: Software Center: Cisco IOS Software: Cisco IOS 12.0: What's Hot for Cisco IOS Software Release 12.0

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

Software Center: Cisco Software Products: Cisco IOS Software: Cisco IOS 12.0: Release Process

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.

For easy online access, feature modules are linked in the "New and Changed Information" section earlier in this release note. To open a feature module for a particular feature, click on the link in the feature description of that particular feature.

To access the feature modules on CCO, follow this path:

Software and Support: Documentation: Cisco IOS Software Configuration: Cisco IOS Release 12.0: New Feature Documentation: New Features in 12.0-Based Limited Lifetime Releases: New Feature 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

Hardware Documents

Hardware documentation for the Cisco 7000 family is listed in Table 8. These documents ship with the Cisco 7000 family.

To access hardware documents on CCO, follow this path:

Products and Ordering: Cisco Product Documentation: Core/High-End Routers

To access hardware documentation on the documentation CD-ROM, follow this path:

Cisco Product Documentation: Core/High-End Routers

Table 8: Hardware Documents for Cisco 7000 Family

Book	Chapter Topics
Cisco 7500 Series Installation and Configuration Guide	Cisco 7500 Series Product Overview Preparing for Installation Installing the Cisco 7500 Series Router Performing a Basic Configuration of the System Maintaining the Cisco 7505 Maintaining the Cisco 7507 Maintaining the Cisco 7513/7576 Troubleshooting the Installation Upgrading DRAM on the Cisco 7500 Series RSPs
Cisco 7200 VXR Installation and Configuration Guide	Cisco 7200 VXR Product Overview Preparing for Installation Installing a Cisco 7200 VXR Router Observing System Startup and Performing a Basic Configuration Troubleshooting the Installation
Cisco 7206 Installation and Configuration Guide	Product Overview Preparing for Installation Installing the Cisco 7206 Performing a Basic Configuration of the Cisco 7206 Troubleshooting the Installation Maintaining the Cisco 7206 Industry-Standard Wiring Plans
Cisco 7204 Installation and Configuration Guide	Product Overview Preparing for Installation Installing the Cisco 7204 Performing a Basic Configuration of the Cisco 7204 Troubleshooting the Installation Maintaining the Cisco 7204 Industry-Standard Wiring Plans
Cisco 7202 Installation and Configuration Guide	About this Guide Product Overview Preparing for Installation Installing the Cisco 7202 Performing a Basic Configuration of the Cisco 7202 Troubleshooting the Installation Maintaining the Cisco 7202

Software Documents

Cisco IOS software documentation is listed in Table 9. Software documentation consists of the Cisco IOS configuration guides and command references and also includes several supporting documents. These documents are shipped with the Cisco 7000 family in electronic form on the Documentation CD-ROM, unless you specifically ordered the printed version of the documents.

To access software documents on CCO, follow this path:

Products and Ordering: Cisco Documentation: Cisco IOS Software Configuration: Cisco IOS Release 12.0

To access software documentation on the documentation CD-ROM, follow this path:

Cisco Product Documentation: Cisco IOS Software Configuration: Cisco IOS Release 12.0

Table 9: Software Documents for Cisco 7000 Family

Books	Chapter Topics
Configuration Fundamentals Configuration Guide Configuration Fundamentals Command Reference	Configuration Fundamentals Overview Cisco IOS User Interfaces File Management System Management
Network Protocols Configuration Guide, Part 1 Network Protocols Command Reference, Part 1	IP Addressing IP 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	Apollo Domain Banyan VINES DECnet ISO CLNS XNS
Wide-Area Networking Configuration Guide Wide-Area Networking Command Reference	ATM Frame Relay SMDS X.25 and LAPB
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 Interface Configuration Guide Cisco IOS Interface Configuration Guide	Interface Configurations
Dial Solutions Configuration Guide Dial Solutions Command Reference	Dial-In Port Setup Dial-In Terminal Services Dial-on-Demand Routing (DDR) Dial Backup Dial-Out Modem Pooling Large-Scale Dial Solutions Cost-Control Solutions ISDN X.25 over ISDN VPDN Dial Business Solutions and Examples
Cisco IOS Switching Services Configuration Guide Cisco IOS Switching Services Command Reference	Switching Paths for IP Networks Virtual LAN (VLAN) Switching and Routing
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
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 Video Support Universal Broadband Features
Quality of Service Solutions Configuration Guide Quality of Service Solutions Command Reference	Classification Scheduling Packet Drop Traffic Shaping ATM QoS SNA QoS Line Protocols
Configuration Guide Master Index Command Reference Master Index
Cisco IOS Software Command Summary Cisco IOS System Error Messages Debug Command Reference Dial Solutions Quick Configuration Guide

Service and Support

For service and support for a product purchased from a reseller, contact the reseller. Resellers offer a wide variety of Cisco service and support programs, which are described in the section "Service and Support" in the information packet that shipped with your product.

For service and support for a product purchased directly from Cisco, use CCO.

Software Configuration Tips on the Cisco TAC Home Page

The following URL contains links to access helpful tips on configuring your Cisco products:

http://www.cisco.com/kobayashi/serv_tips.shtml

This URL is subject to change without notice. If it changes, point your web browser to http://www.cisco.com/, and follow this path: Software & Support, Technical Tips (button on left margin).

"Hot Tips" are popular tips and hints gathered from the Cisco Technical Assistance Center (TAC). Most of these documents are available from the TAC FAX-on-demand service. To access FAX-on-demand and receive documents at your FAX machine from the USA, call 888-50-CISCO (888-502-4726). From other areas, call 650-596-4408.

The following sections are provided from the Technical Tips page:

• Field Notices---Designed to provide notification of any critical issues regarding Cisco products. These include problem descriptions, safety or security issues, and hardware defects.

• Hardware---Technical Tips related to specific hardware platforms.

• Internetworking Features---Tips on using and deploying Cisco IOS software features and services.

• Sample Configurations---Actual configuration examples complete with topology and annotations.

• Software Products---MultiNet & Cisco Suite 100, Network Management, Cisco IOS Software Bulletins, and CiscoPro Configurations.

• Special Collections---Other Helpful Documents, Frequently Asked Questions, Security Advisories, References & RFCs, Case Studies, and the CiscoPro Documentation CD-ROM.

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:

• WWW:  http://www.cisco.com

• WWW:  http://www-europe.cisco.com

• WWW:  http://www-china.cisco.com

• Telnet:  cco.cisco.com

• Modem:  From North America, 408 526-8070; from Europe, 33 1 64 46 40 82. Use the following terminal settings: VT100 emulation; databits: 8; parity: none; stop bits: 1; and connection rates up to 28.8 kbps.

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

Posted: Mon Dec 13 16:30:32 PST 1999
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