![]() ![]() Given that Standard Maintenance Releases have much shorter support lifetimes whereas Extended Maintenance releases have longer support with more scheduled rebuilds/bug fixes, it is recommended that you stay on Extended Maintenance releases wherever possible. Note: Every subsequent third release (for example, Cisco IOS XE Software release 16.12, 17.3, 17.6, and 17.9) is an Extended Maintenance release. Examples are Cisco IOS XE Software releases 17.1, 17.2, 17.4, 17.5, 17.7, 17.8, 17.10, and 17.11Įxtended Maintenance Release (EMR) - A sustaining support lifetime of 36 months from First Customer Shipment (FCS) with scheduled rebuilds. Standard Maintenance Release (SMR) - A sustaining support lifetime of 12 months from First Customer Shipment (FCS) with scheduled rebuilds. For software recommendations on Cisco Catalyst 9800 Series Wireless Controllers, please refer to this page.Įach Cisco IOS® XE software release is classified as either a Standard Maintenance release or an Extended Maintenance release. ![]() For software recommendations on Cisco Catalyst 1000/2960/3560/CDB/4500, Catalyst 3650/3850, and Catalyst 6500/6800 series switches, please refer to this page.If you use Software-Defined Access (SDA), please refer to the product compatibility matrix which is available here.Beyond these recommendations, if you are required to run a release to utilize newer software features or hardware, the recommendation is to select Extended Maintenance (EM) release trains wherever possible. The information in this document is not meant to be exhaustive and is intended to serve as a general guide to you especially in cases of mass deployments/upgrades. This document describes how to find a stable software release for the Catalyst 9000 series Enterprise switching platforms. ![]()
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