ROMMON image upgrades are supported on the following routers: Obtaining Technical Assistance Supported Platforms.This document contains the following sections: If you have received a Cisco 2691, Cisco 3631, Cisco 3725, orĬisco 3745 router with a Cisco IOS Release 12.2(13)T or later image already installed, you do not need to upgrade the ROMMON image. This ROMMON image upgrade is required only if you are upgrading Cisco IOS images to Cisco IOS Release 12.2(13)T or later releases. When you attempt to upgrade Cisco IOS images to Cisco IOS Release 12.2(13)T or later releases on Cisco 2691, Cisco 3631, Cisco 3725, and Cisco 3745 routers, you must first ensure that ROMMON image version 12.2(8r)T2 or a later image is installed on the router.Ĭaution Failure to upgrade the ROMMON image to version 12.2(8r)T2 or a later image before upgrading the Cisco IOS image causes the router to operate improperly and enter into an unrecoverable state.
This document contains procedures for downloading ROM Monitor (ROMMON) software image upgrades. Obtaining Additional Publications and Information ROM Monitor Download Procedures for Cisco 2691, Cisco, 3631, Cisco 3725, and Cisco 3745 Routers ROM Monitor Download Procedures for Cisco 2691, Cisco, 3631, Cisco 3725, and Cisco 3745 Routers Table Of Contents
