Routing Configuration Guide, Cisco IOS XE Catalyst SD-WAN Release 17.x

Feature history for transport gateway

Updated: March 9, 2026

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Overview

This section lists the development milestones and release information for transport gateways, including feature description.

This table describes the developments of this feature, by release.

Table 1. Feature History Table
Feature Name	Release Information	Description
Transport Gateway	Cisco IOS XE Catalyst SD-WAN Release 17.12.1a Cisco Catalyst SD-WAN Manager Release 20.12.1	A transport gateway operates as the hub in a hub-and-spoke routing topology. It offers the advantage of achieving this topology without requiring complex routing policy configuration. The following are some uses of a transport gateway: Providing connectivity to routers in disjoint underlay networks Serving as a gateway (hub) for all traffic in one discrete network to reach another discrete network, such as directing all local network traffic to a cloud gateway

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