Cisco Catalyst SD-WAN AppQoE Configuration Guide, Release 26.x and Later

Feature history for DRE-based traffic optimization

Updated: March 10, 2026

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Provides a feature history for DRE-based traffic optimization and AppQoE capabilities, listing features, descriptions, and Cisco IOS XE Catalyst SD-WAN and vManage release references, including profiles, SSL proxy TLS 1.3 support, configuration groups, and Cisco Secure Routers support.

Present the feature history for DRE-based traffic optimization and AppQoE features, with descriptions and release references for Cisco IOS XE Catalyst SD-WAN and Cisco vManage.

Table 1. Feature history
Feature Name	Release Information	Description
Traffic Optimization with DRE	Cisco IOS XE Catalyst SD-WAN Release 17.5.1a Cisco vManage Release 20.5.1	This release extends the DRE functionality to Cisco Catalyst SD-WAN. DRE is a compression technology that reduces the size of data transmitted over the WAN and enables more effective utilization of the WAN.
DRE Profiles	Cisco IOS XE Catalyst SD-WAN Release 17.6.1a Cisco vManage Release 20.6.1	This feature provides the flexibility to use resources for DRE based on your connection requirements by applying profiles such as S, M, L, and XL.
UCS-E Series Server Support for Deploying Cisco Catalyst 8000V	Cisco IOS XE Catalyst SD-WAN Release 17.6.1a Cisco vManage Release 20.6.1	This feature introduces support for deploying Cisco Catalyst 8000V instances, on supported routers, using UCS-E series blade server modules. With this feature, the supported routers can be configured as integrated service nodes, external service nodes, or hybrid clusters with both internal and external service nodes.
UCS-E Series Next Generation Support for Deploying Cisco Catalyst 8000V	Cisco vManage Release 20.11.1 Cisco IOS XE Catalyst SD-WAN Release 17.11.1a	This feature introduces support for deploying Cisco Catalyst 8000V Edge Software on supported routers, using the UCS-E1100D-M6 server module.
SSL Proxy Support for TLS 1.3	Cisco IOS XE Catalyst SD-WAN Release 17.13.1a Cisco Catalyst SD-WAN Manager Release 20.13.1	With this feature, SSL proxy in AppQoE supports the TLS protocol version 1.3.
DRE Optimisation Using Configuration Groups	Cisco IOS XE Catalyst SD-WAN Release 17.14.1a Cisco Catalyst SD-WAN Manager Release 20.14.1	With this feature you can enable DRE optimization using AppQoE feature under Service Profile in a configuration group in Cisco SD-WAN Manager.
Cisco Secure Routers support for AppQoE	Cisco IOS XE Catalyst SD-WAN Release 17.15.3a Cisco Catalyst SD-WAN Manager Release 20.15.3	Added support for additional Cisco Secure Routers.
Cisco Secure Routers support for AppQoE	Cisco IOS XE Catalyst SD-WAN Release 17.18.1aCisco Catalyst SD-WAN Manager Release 20.18.1	Added support for additional Cisco Secure Routers.

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