Feature history for DSL PPPoe

Updated: April 24, 2026

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Summarizes the feature history for DSL PPPoE, highlighting version updates, enhancements, and major changes to PPPoE support over time.

Table 1. Feature History
Feature Name	Release Information	Description
Support for Dialer Interface in DSL	Cisco IOS XE Release 17.3.2 Cisco vManage Release 20.3.1	This feature enables tracking of a Point-to-Point Protocol (PPP) session over a dialer interface on Cisco IOS XE Catalyst SD-WAN devices. Dialer interface is used in Digital Subscriber Line (DSL) in the deployments of Point-to-Point Protocol over Ethernet (PPPoE), Point-to-Point Protocol over Asynchronous Transfer Mode (PPPoA). Dialer interface always stay up irrespective of the PPP session status. This helps to avoid the need for additional configuration such as IP SLA and tracking for routing failover to work while using dialer interfaces. The following command is added to configure dialer down-with-vInterface which brings the dialer interface down when the PPP session goes down.

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