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Release Notes for Cisco IOS
Release 12.0

Release Notes for Cisco IOS
Release 12.0

December 7, 1998

These release notes describe the new features and caveats for the Cisco IOS Release 12.0(2). They include selected routing and access server features.

For a list of software caveats that apply to this release, refer to the "Caveats for Release 12.0" section later in this document.

Contents

These release notes discuss the following topics:

System Requirements

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

Memory Requirements

For Cisco routers to take advantage of the Release 12.0 features, you need to have the code or main system memory as listed in Table 1. If you do not, you must upgrade your memory. Some platforms have specific chip or architecture requirements that affect what can be upgraded and in what increments.

The memory requirements listed in Table 1 are minimum requirements. Your specific hardware configuration and the software features you choose to deploy could require you to have more memory.


Table 1: Cisco IOS Release 12.0 Memory Requirements
Feature Set Image Name Required Flash Memory Required DRAM Memory Runs From
Cisco 1003/1004 Series

IP Plus

c1000-bnsy-mz

4 MB

8 MB

RAM

IP/IPX/AT Plus

c1000-bnsy-mz

4 MB

8 MB

RAM

IP/IPX/AT Plus 40

c1000-bnsy40-mz

4 MB

8 MB

RAM

IP Plus 40

c1000-bnsy40-mz

4 MB

8 MB

RAM

IP/IPX/AT Plus 56

c1000-bnsy56-mz

4 MB

8 MB

RAM

IP Plus 56

c1000-bnsy56-mz

4 MB

8 MB

RAM

IP/IPX/AT

c1000-bny-mz

2 MB

8 MB

RAM

IP/IPX

c1000-ny-mz

4 MB

8 MB

RAM

IP

c1000-y-mz

2 MB

8 MB

RAM

Cisco 1005 Series

IP Plus

c1005-bnsy-mz

4 MB

8 MB

RAM

IP/IPX/AT Plus

c1005-bnsy-mz

4 MB

8 MB

RAM

IP Plus 40

c1005-bnsy40-mz

4 MB

8 MB

RAM

IP/IPX/AT Plus 40

c1005-bnsy40-mz

4 MB

8 MB

RAM

IP Plus 56

c1005-bnsy56-mz

4 MB

8 MB

RAM

IP/IPX/AT Plus 56

c1005-bnsy56-mz

4 MB

8 MB

RAM

IP/IPX/AT

c1005-bny-mz

2 MB

8 MB

RAM

IP/IPX/Async

c1005-nqy-mz

2 MB

8 MB

RAM

IP/IPX

c1005-ny-mz

2 MB

8 MB

RAM

IP/Async

c1005-qy-mz

2 MB

8 MB

RAM

IP

c1005-y-mz

2 MB

8 MB

RAM

IP/OSPF/PIM

c1005-y2-mz

2 MB

8 MB

RAM

Cisco LightStream 1010

RAM

Service Provider

ls1010-wp-mz

0 MB

0 MB

RAM

Cisco 1600 Series
IP/IPX/AT/IBM Plus IPSec 561

c1600-bnr2sy56i-l

16 MB

6 MB

RAM

IP/IPX/AT/IBM Plus IPSec 561

c1600-bnr2sy56i-mz

4 MB

12 MB

RAM

IP/IPX/AT/IBM1

c1600-bnr2y-l

8 MB

4 MB

RAM

IP/IPX/AT/IBM1

c1600-bnr2y-mz

4 MB

12 MB

RAM

IP/IPX/FW Plus1

c1600-nosy-l

8 MB

4 MB

Flash

IP/IPX/FW Plus1

c1600-nosy-mz

8 MB

4 MB

Flash

IP/IPX1

c1600-ny-l

6 MB

2 MB

RAM

IP/IPX1

c1600-ny-mz

4 MB

8 MB

RAM

IP/FW Plus IPSec 561

c1600-osy56i-l

6 MB

4 MB

RAM

IP/FW Plus IPSec 561

c1600-osy56i-mz

4 MB

10 MB

RAM

IP/FW1

c1600-oy-l

6 MB

4 MB

Flash

IP/FW1

c1600-oy-mz

4 MB

8 MB

RAM

IP Plus1

c1600-sy-l

6 MB

4 MB

Flash

IP Plus1

c1600-sy-mz

4 MB

12 MB

RAM

IP Plus 401

c1600-sy40-l

6 MB

4 MB

Flash

IP Plus 401

c1600-sy40-mz

4 MB

10 MB

RAM

IP Plus 561

c1600-sy56-l

6 MB

4 MB

Flash

IP Plus 561

c1600-sy56-mz

4 MB

10 MB

RAM

IP Plus IPSec 561

c1600-sy56i-l

6 MB

6 MB

RAM

IP Plus IPSec 561

c1600-sy56i-l

6 MB

6 MB

Flash

IP Plus IPSec 561

c1600-sy56i-mz

4 MB

10 MB

RAM

IP1

c1600-y-l

6 MB

4 MB

Flash

IP1

c1600-y-mz

4 MB

8 MB

RAM

Cisco AccessPro Series

IP/IPX/AT/DEC

c2500-d-l

8 MB

4 MB

Flash

IP/IPX/AT/DEC Plus

c2500-ds-l

16 MB

6 MB

Flash

IP

c2500-i-l

8 MB

6 MB

Flash

IP Plus

c2500-is-l

8 MB

4 MB

Flash

Enterprise Plus

c2500-js-l

16 MB

8 MB

Flash

Cisco 2500 Series

IP/IBM/APPN

c2500-ai3r4-l

16 MB

8 MB

Flash

Enterprise/APPN Plus

c2500-ajs-l

16 MB

8 MB

Flash

Enterprise/APPN Plus 40

c2500-ajs40-l

16 MB

8 MB

Flash

Enterprise/APPN Plus 56

c2500-ajs56-l

16 MB

8 MB

Flash

Enterprise/APPN Plus IPSec 56

c2500-ajs56i-l

16 MB

8 MB

Flash

Remote Access Server (RAS)

c2500-c-l

8 MB

6 MB

Flash

IP/IPX/AT/DEC

c2500-d-l

8 MB

4 MB

Flash

IP/IPX/AT/DEC/FW Plus

c2500-dos-l

16 MB

4 MB

Flash

IP/IPX/AT/DEC Plus

c2500-ds-l

16 MB

6 MB

Flash

FRAD

c2500-f-l

8 MB

4 MB

Flash

LAN FRAD/OSPF

c2500-f2in-l

8 MB

4 MB

Flash

LAN FRAD

c2500-fin-l

8 MB

4 MB

Flash

ISDN

c2500-g-l

8 MB

4 MB

Flash

IP

c2500-i-l

8 MB

6 MB

Flash

IP/FW

c2500-io-l

8 MB

4 MB

Flash

IP/FW Plus IPSec 56

c2500-ios56i-l

16 MB

8 MB

Flash

IP Plus

c2500-is-l

8 MB

4 MB

Flash

IP Plus 40

c2500-is40-l

8 MB

4 MB

Flash

IP Plus 56

c2500-is56-l

8 MB

4 MB

Flash

IP Plus IPSec 56

c2500-is56i-l

16 MB

4 MB

Flash

Enterprise/FW Plus 56

c2500-jos56-l

16 MB

8 MB

Flash

Enterprise/FW Plus IPSec 56

c2500-jos56i-l

16 MB

8 MB

Flash

Enterprise Plus

c2500-js-l

16 MB

8 MB

Flash

Enterprise Plus 40

c2500-js40-l

16 MB

8 MB

Flash

Enterprise Plus 56

c2500-js56-l

16 MB

8 MB

Flash

Enterprise Plus IPSec 56

c2500-js56i-l

16 MB

8 MB

Flash

Cisco 25FX Series

Fixed FRAD-SERIAL

c25fx-f-l

8 MB

4 MB

Flash

Fixed LAN FRAD/OSPF

c25fx-f2in-l

8 MB

4 MB

Flash

Fixed LAN FRAD/EIGRP

c25fx-fin-l

8 MB

4 MB

Flash

Cisco 2600 Series

Enterprise/APPN Plus

c2600-ajs-mz

8 MB

32 MB

RAM

Enterprise/APPN Plus 40

c2600-ajs40-mz

8 MB

32 MB

RAM

Enterprise/APPN Plus 56

c2600-ajs56-mz

8 MB

32 MB

RAM

Enterprise/APPN Plus IPSec 56

c2600-ajs56i-mz

8 MB

32 MB

RAM

Remote Access Server (RAS)

c2600-c-mz

4 MB

16 MB

RAM

IP/IPX/AT/DEC

c2600-d-mz

4 MB

16 MB

RAM

IP/IPX/AT/DEC Plus

c2600-ds-mz

8 MB

20 MB

RAM

IP

c2600-i-mz

4 MB

16 MB

RAM

IP Plus

c2600-is-mz

8 MB

20 MB

RAM

IP Plus 40

c2600-is40-mz

8 MB

24 MB

RAM

IP Plus 56

c2600-is56-mz

8 MB

24 MB

RAM

IP Plus IPSec 56

c2600-is56i-mz

8 MB

24 MB

RAM

Enterprise Plus

c2600-js-mz

8 MB

24 MB

RAM

Enterprise Plus 40

c2600-js40-mz

8 MB

24 MB

RAM

Enterprise Plus 56

c2600-js56-mz

8 MB

24 MB

RAM

Enterprise Plus IPSec 56

c2600-js56i-mz

8 MB

32 MB

RAM

Cisco 3620 Series

Enterprise/APPN Plus

c3620-ajs-mz

8 MB

32 MB

RAM

Enterprise/APPN Plus 40

c3620-ajs40-mz

8 MB

32 MB

RAM

Enterprise/APPN Plus IPSec 56

c3620-ajs56i-mz

8 MB

32 MB

RAM

IP/IPX/AT/DEC

c3620-d-mz

4 MB

24 MB

RAM

IP/IPX/AT/DEC Plus

c3620-ds-mz

8 MB

32 MB

RAM

IP

c3620-i-mz

4 MB

16 MB

RAM

IP Plus

c3620-is-mz

8 MB

24 MB

RAM

IP Plus 40

c3620-is40-mz

8 MB

24 MB

RAM

IP Plus IPSec 56

c3620-is56i-mz

8 MB

32 MB

RAM

Enterprise Plus

c3620-js-mz

8 MB

32 MB

RAM

Enterprise Plus 40

c3620-js40-mz

8 MB

32 MB

RAM

Enterprise Plus IPSec 56

c3620-js56i-mz

8 MB

32 MB

RAM

Cisco 3640 Series

Enterprise/APPN Plus

c3640-ajs-mz

8 MB

32 MB

RAM

Enterprise/APPN Plus 40

c3640-ajs40-mz

8 MB

32 MB

RAM

Enterprise/APPN Plus IPSec 56

c3640-ajs56i-mz

8 MB

32 MB

RAM

Remote Access Server (RAS)

c3640-c2is-mz

16 MB

64 MB

RAM

IP/IPX/AT/DEC

c3640-d-mz

4 MB

24 MB

RAM

IP/IPX/AT/DEC Plus

c3640-ds-mz

8 MB

32 MB

RAM

IP

c3640-i-mz

4 MB

16 MB

RAM

IP Plus

c3640-is-mz

8 MB

24 MB

RAM

IP Plus 40

c3640-is40-mz

8 MB

24 MB

RAM

IP Plus IPSec 56

c3640-is56i-mz

8 MB

32 MB

RAM

IP/System Controller

Enterprise Plus

c3640-js-mz

8 MB

32 MB

RAM

Enterprise Plus 40

c3640-js40-mz

8 MB

32 MB

RAM

Enterprise Plus IPSec 56

c3640-js56i-mz

8 MB

32 MB

RAM

Cisco MC3810

IP/IPX/IBM/ATM

mc3810-a2inr3-mz

8 MB

32 MB

RAM

IP/IPX/AT/IBM/Voice

mc3810-binr3v2-mz

8 MB

32 MB

RAM

IP/IPX/AT/IBM/ATM/Voice

mc3810-a2binr3v2

8 MB

32 MB

RAM

Cisco 4000 Series

Enterprise/APPN Plus

c4000-ajs-mz

8 MB

32 MB

RAM

Enterprise/APPN Plus 40

c4000-ajs40-mz

8 MB

32 MB

RAM

Enterprise/APPN Plus IPSec 56

c4000-ajs56i-mz

8 MB

32 MB

RAM

IP/IPX/AT/DEC

c4000-d-mz

4 MB

16 MB

RAM

IP/IPX/AT/DEC Plus

c4000-ds-mz

4 MB

16 MB

RAM

IP

c4000-i-mz

4 MB

16 MB

RAM

IP Plus

c4000-is-mz

4 MB

16 MB

RAM

IP Plus 40

c4000-is40-mz

4 MB

16 MB

RAM

IP Plus IPSec 56

c4000-is56i-mz

4 MB

16 MB

RAM

Enterprise Plus

c4000-js-mz

8 MB

16 MB

RAM

Enterprise Plus 40

c4000-js40-mz

8 MB

16 MB

RAM

Enterprise Plus IPSec 56

c4000-js56i-mz

8 MB

16 MB

RAM

Cisco 4500/4700 Series

Enterprise/APPPN/DBCONN

c4500-aejs-mz

8 MB

32 MB

RAM

Enterprise/APPPN/DBCONN 40

c4500-aejs40-mz

8 MB

32 MB

RAM

Enterprise/APPN/DBCONN
IPSec 56

c4500-aejs56i-mz

8 MB

32 MB

RAM

Enterprise/APPN Plus

c4500-ajs-mz

8 MB

32 MB

RAM

Enterprise/APPN Plus 40

c4500-ajs40-mz

8 MB

32 MB

RAM

Enterprise/APPN Plus IPSec 56

c4500-ajs56i-mz

8 MB

32 MB

RAM

IP/IPX/AT/DEC

c4500-d-mz

4 MB

32 MB

RAM

IP/IPX/AT/DEC Plus

c4500-ds-mz

8 MB

32 MB

RAM

IP

c4500-i-mz

4 MB

32 MB

RAM

IP Plus

c4500-is-mz

8 MB

32 MB

RAM

IP Plus 40

c4500-is40-mz

8 MB

32 MB

RAM

IP Plus IPSec 56

c4500-is56i-mz

8 MB

32 MB

RAM

Enterprise Plus

c4500-js-mz

8 MB

32 MB

RAM

Enterprise Plus 40

c4500-js40-mz

8 MB

32 MB

RAM

Enterprise Plus IPSec 56

c4500-js56i-mz

8 MB

32 MB

RAM

Cisco Catalyst 5000 RSM

Enterprise/APPN 40

c5rsm-ajsv40-mz

16 MB

32 MB

N/A

Enterprise/APPN 56

c5rsm-ajsv56-mz

16 MB

32 MB

N/A

Desktop/IBM

c5rsm-dsv-mz

16 MB

32 MB

N/A

Desktop/IBM 40

c5rsm-dsv40-mz

16 MB

32 MB

N/A

Desktop/IBM IPSec 56

c5rsm-dsv56i-mz

16 MB

32 MB

N/A

IP/VIP

c5rsm-isv-mz

16 MB

32 MB

N/A

IP/VIP 40

c5rsm-isv40-mz

16 MB

32 MB

N/A

IP/VIP IPSec 56

c5rsm-isv56i-mz

16 MB

32 MB

N/A

Enterprise/VIP

c5rsm-jsv-mz

16 MB

32 MB

N/A

Enterprise/VIP 40

c5rsm-jsv40-mz

16 MB

32 MB

N/A

Enterprise/VIP IPSec 56

c5rsm-jsv56i-mz

16 MB

32 MB

N/A

Cisco AS5200 Access Server

Desktop

c5200-d-l

8 MB

8 MB

Flash

Desktop Plus

c5200-ds-l

16 MB

8 MB

Flash

IP

c5200-i-l

8 MB

8 MB

Flash

IP Plus

c5200-is-l

8 MB

8 MB

Flash

Enterprise

c5200-j-l

16 MB

8 MB

Flash

Enterprise Plus

c5200-js-l

16 MB

8 MB

Flash

Cisco AS5300 Access Server

Desktop

c5300-d-mz

8 MB

32 MB

RAM

Desktop Plus

c5300-ds-mz

8 MB

32 MB

RAM

IP

c5300-i-mz

8 MB

32 MB

RAM

IP Plus

c5300-is-mz

8 MB

32 MB

RAM

IP Plus 40

c5300-is40-mz

8 MB

32 MB

RAM

IP Plus IPSec 56

c5300-is56i-mz

8 MB

32 MB

RAM

Enterprise

c5300-j-mz

8 MB

32 MB

RAM

Enterprise Plus

c5300-js-mz

8 MB

32 MB

RAM

Enterprise Plus 40

c5300-js40-mz

8 MB

32 MB

RAM

Enterprise Plus IPSec 56

c5300-js56i-mz

8 MB

32 MB

RAM

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 uBR7246 Universal Broadband Router

MCNS Two-Way

ubr7200-p-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

Cisco GSR 12000 Series

Service Provider

gsr-p-mz

20 MB

64 MB

Flash

1Cisco 1600 images will be available Q1 99.

Hardware Supported

You can run Cisco IOS Release 12.0 on the following Cisco hardware platforms:

  • Cisco 1003 and Cisco 1004 series

  • Cisco 1005 series

  • Cisco 1600 series

  • Cisco AccessPro series

  • Cisco 2500 series

  • Cisco 25FX series

  • Cisco 2600 series

  • Cisco 3620 series

  • Cisco 3640 series

  • Cisco MC3810

  • Cisco 4000 series

  • Cisco 4500 and Cisco 4700 series

  • Cisco Catalyst 5000 series

  • Cisco AS5200 series

  • Cisco AS5300 series

  • Cisco AS5800 series

  • Cisco 7200 series

  • Cisco 7500 RSPx series

  • Cisco uBR7200 series

Determining Your Software Release

To determine the version of Cisco IOS software currently running on your Cisco network device, log onto the device 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) 2500 Software (C2500-JS-L), Version 12.0(1), RELEASE SOFTWARE
 

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

For information on upgrading to a new software release, refer to the Cisco IOS Software Release Upgrade Paths and Packaging Simplification  product bulletin #703 located on CCO. For more information, refer to the "Cisco Connection Online" section later in this document.

On CCO, follow this path:

Products and Ordering: Product Bulletins: Upgrade Paths and Packaging Simplification

Microcode Software

Table 2 lists the current microcode versions for the Cisco 7500/RSP series. This series includes the Cisco 7000 equipped with the RSP7000 processor, the Cisco 7010 equipped with the RSP7000 processor, and the Cisco 7500 series routers. Note that microcode software images are bundled with the system software image, with the exception of the Channel Interface Processor (CIP) microcode (all system software images) and Versatile Interface Processor (VIP) microcode (certain system software images). 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. Versatile Interface Processor (VIP and VIP2) microcode is bundled into all Cisco 7500 series feature sets listed in Table 2.

For further information about the CIP microcode, refer to the Cisco document Channel Interface Processor Microcode Release Note and Microcode Upgrade Instructions.


Note The Cisco 7000 series previously included the Cisco 7000 and 7010. These products are not supported in Cisco IOS Release 12.0. The Cisco 7000 series now includes the Cisco 7000 equipped with the RSP7000 processor and the Cisco 7010 equipped with the RSP7000 processor.


Table 2: Cisco 7500 Series Routers Microcode Versions
Processor or Module Current Microcode Version Minimum Version Required

AIP (ATM Interface Processor)

20.13

20.13

CIP/CIP2 (Channel Interface Processor)

26.2

26.2

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


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Posted: Fri Jan 29 12:45:30 PST 1999
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