Cisco IOS Software Releases 12.3 T

Cisco IOS Software Release 12.3T

Document ID: 45042

This document includes information for these Cisco IOS® Software 12.3T maintenance releases:

  • Cisco IOS Software Release 12.3(2)T
  • Cisco IOS Software Release 12.3(11)T

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Description of the Release

The Cisco IOS® Software Release 12.3T family drives business productivity by delivering Security, Voice, and Wireless innovations to Enterprise, Access, and Service Provider Aggregation customers. The Cisco IOS Software Release 12.3T family will be issued as a series of individual releases, each of which will create significant revenue opportunities and will include hundreds of new business-critical features, powerful new hardware support, and ongoing quality improvements. Cisco will ultimately consolidate all of these individual 12.3T releases to form the next major release.

Cisco IOS Software Release 12.3T greatly enhances customer productivity with nearly one hundred features across more than thirty Cisco platforms. Highlights of Cisco IOS Software Release 12.3T include the Cisco 830 Series Router and Cisco Security Device Manager.

Product and Feature Support

Cisco IOS Software Release 12.3(2)T supports these platforms:

Product/Feature Image Name Memory  Requirements
Cisco 802
Cisco 803
Cisco 804
Cisco 805
Cisco 806
Cisco 811
Cisco 813
Cisco 826
Cisco 827
Cisco 827H
Cisco 827-4V
Cisco 828
Cisco 831
Cisco 836
Cisco 837
Cisco 10000-PRE1
Cisco 10000-PRE2
Cisco 1100 Wireless Access Point
Cisco 1200 Wireless Access Point
Cisco 1400
Cisco 1410 Wireless Bridge
Cisco 1601-1604
Cisco 1601R-1605R
Cisco 1701
Cisco 1710
Cisco 1711
Cisco 1712
Cisco 1720
Cisco 1721
Cisco 1750
Cisco 1751
Cisco 1751-V
Cisco 1760
Cisco 2500 Frame Relay access device (FRAD)
Cisco 2501-2525
Cisco 25FX
Cisco 2610-2613
Cisco 2610XM-2611XM
Cisco 2620-2621
Cisco 2620XM-2621XM
Cisco 2650-2651
Cisco 2650XM-2651XM
Cisco 2651XM
Cisco 2691
Cisco 3250
Cisco 3620
Cisco 3631
Cisco 3640
Cisco 3640A
Cisco 3660
Cisco 3725
Cisco 3745
Cisco 4500
Cisco 4500-M/4700/4700-M
Cisco 6400-Node Route Processors (NRP)-1
Cisco 6400-NRP-2SV
Cisco 6400-Node Switch Processors (NSP)
Cisco 7100
Cisco 7200
Cisco 7301
Cisco 7304-Network Processing Engine (NPE)-G100
Cisco 7304-Network Services Engine (NSE)-100
Cisco 7400
Cisco 7500
Cisco 7600-Communication Media Module (CMM)
Cisco 7600-Multi-processor WAN Application Module (MWAM)
Cisco 7600-SUP2/Multilayer Switch Feature Card (MSFC)2
Cisco 7600-SUP720
Cisco 8850RPM-PR
Cisco 8850RPM-XF
Cisco AS5300
Cisco AS5350
Cisco AS5400
Cisco AS5400HPX
Cisco AS5800
Cisco AS5850
Cisco Catalyst 4000-Access Gateway Module (AGM)
Cisco Catalyst 4224
Cisco Catalyst 5000-RSM
Cisco Catalyst 6000-CMM
Cisco Catalyst 6000-MSFC2
Cisco Catalyst 6000-MSFC3
Cisco Catalyst 6000-MWAM
Cisco Catalyst 6000-SUP2/MSFC2/PFC2
Cisco Catalyst 6000-SUP720
Cisco Cable Voice Adapter (CVA) 120
Cisco Distributed Director 2501/2502
Cisco Distributed Director 4700M
Cisco IAD2420
Cisco IAD2430
Cisco IAD2431-IAD2432
Cisco ICS7700
Cisco IGX8400-URM
Cisco MC3810
Cisco MWR 1900
Cisco NI2-6015
Cisco NI2-6100
Cisco NI2-6130
Cisco NI2-6160
Cisco NI2-6260
Cisco ONS15104
Cisco SLT
Cisco SOHO71
Cisco SOHO76
Cisco SOHO77
Cisco SOHO77H
Cisco SOHO78
Cisco SOHO91
Cisco SOHO96
Cisco SOHO97
Cisco UBR10K
Cisco UBR7100
Cisco UBR7200
Cisco UBR905
Cisco UBR920
Cisco UBR925
Cisco VG200
See Release Notes See Release Notes

Cisco IOS Software Release 12.3(11)T suports these platforms in addition to the platforms listed for Cisco IOS Software Release 12.3(2)T.

Product/Feature Image Name Memory  Requirements
Cisco 1841
Cisco 2801
Cisco 2811
Cisco 805
Cisco 2821
Cisco 2851
Cisco 3220
Cisco 3825
Cisco 3845
Cisco AS5850-ERSC
Cisco AS5850-RSC
Cisco VG224
  • c1841-broadband-mz
  • c2600-adventerprisek9_ivs-mz
  • c2600-ipvoice_ivs-mz
  • c2691-adventerprisek9_ivs-mz
  • c2691-adventerprisek9_sna-mz
  • c2691-ipvoice_ivs-mz
  • c2800nm-adventerprisek9_ivs-mz
  • c2800nm-adventerprisek9_sna-mz
  • c2800nm-ipvoice_ivs-mz
  • c3220-adventerprisek9-mz
  • c3250-adventerprisek9-mz
  • c3250-entbase-mz
  • c3725-adventerprisek9_ivs-mz
  • c3725-adventerprisek9_sna-mz
  • c3725-ipvoice_ivs-mz
  • c3745-adventerprisek9_ivs-mz
  • c3745-adventerprisek9_sna-mz
  • c3745-ipvoice_ivs-mz
  • c3825-adventerprisek9_ivs-mz
  • c3825-adventerprisek9_sna-mz
  • c3825-adventerprisek9-mz
  • c3825-advipservicesk9-mz
  • c3825-advsecurityk9-mz
  • c3825-entbase-mz
  • c3825-entservicesk9-mz
  • c3825-ipbase-mz
  • c3825-ipvoice_ivs-mz
  • c3825-ipvoice-mz
  • c3825-spservicesk9-mz
  • c3845-adventerprisek9_ivs-mz
  • c3845-adventerprisek9_sna-mz
  • c3845-adventerprisek9-mz
  • c3845-advipservicesk9-mz
  • c3845-advsecurityk9-mz
  • c3845-entbase-mz
  • c3845-entservicesk9-mz
  • c3845-ipbase-mz
  • c3845-ipvoice_ivs-mz
  • c3845-ipvoice-mz
  • c3845-spservicesk9-mz
  • c5350-ik9su2-mz
  • c7200-pk9u2-mz
  • c7301-g4jk9su2-mz
  • c7301-pk9u2-mz
  • mwr1900-i-mz
  • mwr1900-ipbase-mz
  • mwr1900-ipvoice-mz
  • mwr1900-is-mz
See Release Notes

Support Pages

For more information, consult the following web pages:

Release Documentation

Parent Release Documentation

Other Links

Target Market

Cisco Systems, Inc. released Cisco IOS Software Release 12.3T as a long-lived release. It is targeted for the Enterprise market.

Lifecycle of Release

Cisco IOS Software Release Reference Guide

Milestones Y2K Compliance Release Designation

12.3(2)T CCO FCS: 7/28/03
12.3(2)T MFG FCS: 8/4/03
12.3(2)T EOS:
12.3(2)T EOE:
12.3(2)T EOL:
12.3(11)T CCO FCS: 7/26/2004
12.3(11)T MFG FCS: 8/4/2004
12.3(11)T EOS:
12.3(11)T EOE:
12.3(11)T EOL:

Yes ED Release

Maintenance Releases

It is highly recommended that Release Notes are used to determine if a maintenance release should be used. Release Notes provide announcements of new features and a summary of known caveats at the time of the renumber.

Maintenance Cycle Download Image
Cisco IOS Software Release 12.3T - No maintenance plans for an X release.

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Important Notes: N/A

Interim Builds

Short-lived X releases do not provide interim builds.

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Recommended Customer Migration Path

To view the projected release date of Cisco IOS Software Release 12.3(11)T, see the Projected Release Dates for Cisco IOS Software Release Product Bulletin.

Updated: Sep 29, 2004 Document ID: 45042