Release Notes

• Cisco IOS Release 12.1
  Cross-Platform Release Notes and Caveats

• Caveats
  Caveats documentation for Cisco IOS Releases 12.1 and 12.1 T (includes open and resolved severity 1 and 2 caveats and select severity 3 caveats for all platforms)

• Feature Pack Release Notes

• Cisco SOHO 70 Series Routers
  Release 12.1 XP, 12.1 YB, 12.1 YC

• Cisco CVA120 Series Cable Voice Adapters
  Release 12.1 XU

• Cisco Voice Gateway 200 (VG200)
  Release 12.1 T, 12.1 XE, 12.1 XM, 12.1 YH

• Cisco 800 Series Routers
  Release 12.1 T, 12.1 XB, 12.1 XF, 12.1 XG, 12.1 YB, 12.1 YC

• Cisco uBR900 Series Cable Access Routers
  Release 12.1, 12.1 T, 12.1 XL, 12.1 XM

• Cisco 1000 Series Routers
  Release 12.1 T

• Cisco 1400 Series Routers
  Release 12.1 T

• Cisco 1600 Series Routers
  Release 12.1 T, 12.1 XG

• Cisco 1700 Series Routers
  Release 12.1 T, 12.1 XC, 12.1 XJ, 12.1 XM, 12.1 XP, 12.1 XT, 12.1 YB

• Cisco IAD 2420 Integrated Access Devices
  Release 12.1 XR, 12.1 YD

• Cisco 2500 Series Routers
  Release 12.1 T, 12.1 XM

• Cisco 2600 Series Routers
  Release 12.1, 12.1 T, 12.1 XH, 12.1 XI, 12.1 XM, 12.1 XQ, 12.1 YB, 12.1 YD

• Catalyst 2940 Switches
  Release 12.1(20)EA1, 12.1(20)EA2, 12.1(22)EA, 12.1(22)EA2, 12.2(22)EA3, 12.1(22)EA4, 12.1(22)EA5, 12.1(22)EA6, 12.1(22)EA7

• Catalyst 2950 Switches
  Release 12.1(20)EA1, 12.1(20)EA2, 12.1(22)EA, 12.1(22)EA2, 12.2(22)EA3, 12.1(22)EA4, 12.1(22)EA5, 12.1(22)EA6, 12.1(22)EA7

• Catalyst 2955 Switches
  Release 12.1(20)EA1, 12.1(20)EA2, 12.1(22)EA2, 12.1(22)EA3, 12.1(22)EA4, 12.1(22)EA5, 12.1(22)EA6, 12.1(22)EA7

• Catalyst 3550 Switches
  Release 12.1(20)EA1, 12.1(20)EA2, 12.l(22)EA1, 12.1(22)EA2, 12.1(22)EA3, 12.1(22)EA4, 12.1(22)EA5, 12.1(22)EA6

• Cisco 3600 Series Routers
  Release 12.1, 12.1 T, 12.1 XH, 12.1 XI, 12.1 XM, 12.1 XQ, 12.1 YB, 12.1 YD

• Catalyst 3750 Metro Switches
  Release 12.1(14)AX, 12.1(14)AX1, 12.1(14)AX2, 12.1(14)AX3, 12.1(14)AX4

• Cisco MC3810 Multiservice Access Concentrator
  Release 12.1, 12.1 T, 12.1 XA, 12.1 XH, 12.1 XI, 12.1 XM

• Cisco 4000 Series Routers
  Release 12.1 and 12.1 T

• Catalyst 4000 Access Gateway Module
  Release 12.1 XI, YF

• Catalyst 4224 Access Gateway Switch
  Release 12.1(5)YE, 12.1(5)YI

• Catalyst 4000 Family Multilayer Switches
  Release 12.1 EW

• Cisco AS5200 Universal Access Servers
  Release 12.1, 12.1 AA

• Cisco AS5300 Universal Access Servers
  Release 12.1, 12.1 T, 12.1 AA, 12.1 XH, 12.1 XI, 12.1 XM

• Cisco AS5350 Universal Gateway
  Release 12.1 XM, 12.1 XQ

• Cisco AS5400 Universal Gateway
  Release 12.1 T, 12.1 XD, 12.1 XM

• Cisco AS5800 Universal Access Server
  Release 12.1, 12.1 T, 12.1 AA, 12.1 XH, 12.1 XI, 12.1 XL, 12.1 XM, 12.1 XV

• Cisco AS5850 Universal Gateway
  Release 12.1 XV

• Catalyst 6000 Family Multilayer Switches
  Release 12.1 E

• Cisco 6400 Universal Access Concentrator
  Release 12.1 DB, 12.1 DC

• Cisco 7000 Family Routers
  Cisco 7100 Series, Cisco 7200 Series, Cisco 7300 Series, and Cisco 7500 Series Routers
  

• Cisco uBR7100 Series Cable Routers
  Release 12.1 EC

• Cisco uBR7200 Series Cable Routers
  Release 12.1, 12.1 T, 12.1 EC, 12.1 XM, 12.1 XQ

• Cisco 7600 Internet Router
  Release 12.1 E

• Cisco Integrated Communications System 7750
  Releases 12.1(3)XI, 12.1(5)T

• Cisco IGX 8400 Series WAN Switches
  Release 12.1 YA

• Cisco 8500 Series and LightStream 1010 Routers
  Release 12.1(5)EY 1, 12.1(6)EY, 12.1(7a)EY

• CIP Microcode Release Note and Upgrade Instructions

• CPA Microcode Release Note and Upgrade Instructions

• Cisco NI-2 DSLAMs
  Release 12.1 DA for Cisco 6130, Cisco 6160, Cisco 6260