Product Bulletins

• Cisco IOS Software Release 12.1T - No. 1065
  Describes the new features in the 12.1T early deployment release.

• Cisco IOS X Release 12.1(3)XL - No. 1190
  Describes the Cisco IOS Software release for the 12.1(3)XL.

• Cisco IOS Software 12.1(5)XV - No. 1267
• Cisco IOS S/W Release 12.1(5)YE - No. 1343
  Describes the new features introduced in Cisco IOSŪ Software Release 12.1(5)YE for the Cisco Catalyst 4224 Access Gateway Switch.

• Milestone Dates for Cisco IOS software Release 12.1T, No. 1244
  This document explains the End of Sales, End of Engineering and End of Life dates for Cisco IOS software Release 12.1T.

• HD Analog Interface Card and H/W Encryption Accelerator
  IOS support for Concerto (a high density analog interface card), and Garble (a hardware encryption accelerator), both of which are attachments to the Cat4k Gateway line card.

• Cisco IOS Deployment Release 12.1 (11) EA1
• Cisco IOS Release 12.1(10)EV for Cisco ONS 15530, No. 1832
  Describes hardware and software features supported in Cisco IOS Release 12.1(10)EV for Cisco ONS 15530

• Cisco IOS Early Deployment Release 12.1(10)EX, 12.1(10)EX1, & 1
  Describes the content and delivery information concerning Cisco IOSŪ software release 12.1(10)EX, 12.1(10)EX1, and 12.1(10)EX2, special releases focused on the Cisco 7300 Series Router.

• Cisco IOS Software Release 12.1DA End-of-Life Announcement
  Cisco Systems is announcing the end of life for all Cisco IOS Software releases in the Release 12.1DA train.

• Cisco IOS Release 12.1E for Cisco 7100, 7200, 7500, No.1068
  Describes Cisco IOS Release 12.1E for the Cisco 7100, 7200, and 7500 Series platforms.

• Cisco IOS X-Release 12.1(5)YI
  This product bulletin describes the content and delivery information concerning Cisco IOS (TM) software release 12.1(5)YI.

• Cisco IOS X-Release 12.1CX, No. 1287
  Product Bulletin for the Cisco IOS X-Release 12.1(4)CX

• Standards Supported in Cisco IOS Software Release 12.1/12.1T
  Information outlining the standards supported in Cisco IOS Software 12.1/12.1T

• Standards Supported in Cisco IOS Software - No. 1388
  Information outlining the standards supported in Cisco IOS Software 12.1/12.1T.

• 12.1(5)YE Product Bulletin
  This product bulletin describes the new features introduced in Cisco IOSŪ Software Release 12.1(5)YE for the Cisco Catalyst 4224 Access Gateway Switch.

• Cisco IOS SW Release 12.1(5)YB - No. 1277
  Describes the new features introduced in Cisco IOS Software Release 12.1(5)YB for the Cisco 805, 826, 827, 827-4V, and SOHO 77 series routers.

• Cisco IOS Software Release 12.1(3)XP for Cisco SOHO 70 Series
  This bulletin provides new features for the Cisco IOS Software Release 12.1(3)XP for the Cisco SOHO 70 series routers. Release 12.1(3)XP also affects the 1700 series; these features can be found in a separate Cisco 1700 series specific release.

• Cisco IOS Software Release 12.1(5)YC
  This product bulletin describes the new features introduced in Cisco IOSŪ Software Release 12.1(5)YC for the Cisco 811, 813, 827 and SOHO series routers.

• IOS Software Release 12.1(5)EX Catalyst 6500 Series Supervisor
  Use this publication if you have the Cisco IOS Software for the Catalyst 6500 Series products, which run a minimum Cisco IOS Software Release 12.1(5)EX on both the Supervisor Engine 2 and the Multilayer Switch Feature Card 2 (MSFC).

• Catalyst 8500/LightStream 1010 12.1(5)EY Rel Feature List
  This product bulletin describes the new features introduced with the CatalystŪ 8500/LightStreamŪ 1010 12.1(5)Xe release.

• 12.1(5)XU Product Bulletin, No. 1250
  IOS Software Release 12.1(5)XU Product Bulletin

• Cisco IOS X-Release 12.1(5)XM
  This Product bulletin describes the new features introduced in Cisco IOSŪ Software Release 12.1 (5)XM which is an early deployment (ED) release that targets the worldwide market.

• Cisco IOS SW 12.1T Ordering Procedures & Platform - No. 1064
  Outlines ordering procedures for 12.1T software and provides platform support information.

• 12.1(3)XI Product Bulletin
• Cisco IOS Software Release 12.1(3)XG for 820 Series Routers
  This product bulletin describes the new Cisco IOS Software Release 12.1(3)XG features for the 820 series routers. For Cisco 801-804 series features for this release, please see product bulletin number 1169.

• Cisco IOS X-Release 12.1(3)XQ - No. 1204
  IOS Release 12.1(3)XQ Product Bulletin

• Cisco IOS Software Release 12.1(2)XF, No. 1113
  This product bulletin describes the new features introduced in Cisco IOSŪ software release 12.1(2)XF delivering support for the new 800 series routers, including the 811 and 813.

• Cisco IOS Software Release 12.1(3)XG for 801-805 Series Routers
  Describes the new Cisco IOS Software Release 12.1(3)XG features for the 801-805 series routers. For Cisco 820 series features for this release, please read Product Bulletin No. 1168.

• Cisco IOS Software Release 12.1(3)XG for Cisco 1605-R Routers
  This product bulletin describes the new Cisco IOS Software Release 12.1(3)XG features for the 1605-R series routers.

• Cisco IOS Software Release 12.1EC, No. 1136
  Product Bulletin for the Cisco IOS Software Release 12.1EC

• Cisco IOS X-Release 12.1(2a)XH
  12.1(2a)XH Product Bulletin

• Cisco IOS Release 12.1(DA)- No. 1100
  Describes the 12.1(DA) version for the Cisco 6160 DSLAM.

• Cisco IOS SW Release 12.1(1)XE - No. 1098
  Describes the VG200 release 12.1(1)XE.

• 12.1(1)XD Product Bulletin
  12.1(1)XD Product Bulletin

• Cisco IOS Software Release 12.1(1)AA - No. 1079
• Cisco IOS Software Release 12.1(1)XB - No. 1085
  This product bulletin describes the new features introduced in Cisco IOSŪ software release 12.1(1)XB.

• Cisco IOS Software Release 12.1(1)EX - No. 1055