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Cisco IOS Software Releases 12.1 E

Cisco IOS Software Release 12.1 EC

Document ID: 20337




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Description of the Release

 

 
 
 
 
 
 

Cisco IOS® Software Release 12.1 EC is a specific technology early deployment release (STED) optimized for the ubr7200 and future ubr10k support. This release is based (parented) upon 12.1E.  The initial release, 12.1(2)EC contains support for all cable features in the 12.1(1)T software release, including (but not limited to):
  • MC16S
  • Interface Bundling
  • DOCSIS 1.0+
  • DPT (PA-SRP-OC12xxx port adapters)
  • MPLS-VPN Support over Cable Interfaces. 
For more information, please see Release Notes for Cisco ubr7200 Series for Cisco IOS Release 12.1T.
Future Cisco IOS Software 12.1EC releases may contain new features. Please see the release notes for specific information

Product and Feature Support

 

 
 
 
 
 
 
 
 

Features

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Cisco IOS Software Release 12.1EC will support the following:

Product/Feature Image name Memory 
Requirements
Cisco uBR7200 Series
  • ubr7200-p-mz - DOCSIS Two-Way
  • ubr7200-is-mz - DOCSIS Two-Way IP Plus
  • ubr7200-k1p-mz - DOCSIS Two-Way with BPI
  • ubr7200-ik1s-mz - DOCSIS Two-Way IP Plus with BPI
  • ubr7200-ist-mz - DOCSIS IP Plus Telco Return
  • ubr7200-ik1st-mz -DOCSIS IP Plus Telco Return with BPI
See 12.1EC Release Notes
The following port adapters are newly supported by Cisco IOS Release 12.1(2) EC1:
  • PA-4E1G-120
  • PA-E3
  • PA-MC-4T1
  • PA-MC-8T1
  • PA-A3-T3
  • PA-A3-E3
  • PA-4T+
  • PA-8T-V35
  • PA-8T-X21
New Software Features in Release 12.1(2) EC1

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 12.1EC as an ED release for the Cisco ubr7200 Series Market. Cisco recommends the use of 12.1EC software for Cable Operator and Broadband Service Providers who want to maximize support for the latest functionality within the DOCSIS and IOS features. Also new hardware support can be found in 12.1 EC software releases.

Lifecycle of Release

 
Cisco IOS Reference Guide
 
Milestones Y2K Compliance Release Designation
CCO FCS: July 26, 2000
See Projected Release Dates for Cisco IOS Software Product Bulletin for later maintenance release dates.

MFG FCS: July 31, 2000

EOS: Forecast - May 2001

Yes ED Release

Maintenance Releases

CCO registered customers can view the Projected Release Dates for Cisco IOS Software Product Bulletin

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: Defects Resolved Download
Image
Maintenance releases every eight weeks, one week after parent (12.1E) maintenance release
Each interim build fix will be in the next maintenance release. [an error occurred while processing this directive] CCO IOS Upgrade Planner [an error occurred while processing this directive]

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Updated: Feb 19, 2003 Document ID: 20337