How to Download and Install Cisco IOS Release 12.2 (2) XT for Cisco 3600 Series Routers
Cisco IOS Release 12.2 (2) XT is a special release that introduces the Cisco 3631 router and provides new features and enhancements for the Cisco 3600 series routers. Some of the features include Cisco IOS Telephony Service Version 2.0, Survivable Remote Site Telephony Version 2.0, and support for new hardware modules[^1^].
If you want to download and install Cisco IOS Release 12.2 (2) XT for your Cisco 3600 series router, you need to follow these steps:
Verify that your router meets the minimum memory requirements for the feature set you want to use. You can find the memory recommendations in the release notes [^1^].
Obtain the Cisco IOS image file from Cisco.com or a trusted source. The image file name for the IP/FW/IDS PLUS IPSEC 3DES feature set is c3640-jk9s-mz.124-16.bin.
Copy the image file to a TFTP server that is accessible from your router.
Download the image file to your router's flash memory by entering the copy tftp flash command at the enabled prompt. Follow the instructions to specify the source and destination file names and verify the checksum.
Reload your router to activate the new image by entering the reload command at the enabled prompt. Confirm the reload when prompted.
Verify that your router is running the new image by entering the show version command at the enabled prompt. You should see the image file name and version in the output.
Congratulations! You have successfully downloaded and installed Cisco IOS Release 12.2 (2) XT for your Cisco 3600 series router.
If you want to use the Cisco IOS Telephony Service Version 2.0 or the Survivable Remote Site Telephony Version 2.0 features, you need to purchase a feature license and activate it on your router. You also need to download the Cisco IP phone firmware versions from Cisco.com and install them on your phones. For more information on how to configure these features, refer to the release notes and the Cisco IOS Telephony Service Configuration Guide.
Cisco IOS Release 12.2 (2) XT also supports new hardware modules for the Cisco 3600 series routers, such as the 16 Port Ethernet Switch Module (NM-16ESW) and the 4-Port FXO Voice/Fax Expansion Module (for the NM-HDA Network Module). These modules provide additional functionality and flexibility for your network. For more information on how to install and configure these modules, refer to the Cisco Network Modules Hardware Installation Guide and the Cisco Network Modules Software Configuration Guide.
Cisco IOS Release 12.2 (2) XT is a powerful and versatile software release that enhances the performance and capabilities of your Cisco 3600 series router. For more information on the features and caveats of this release, refer to the release notes and the Cisco 3600 Series Multiservice Platforms Release Notes. 061ffe29dd