Cisco Catalyst SD-WAN Interfaces Configuration Guide, Releases 26.x and Later
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Updated: April 24, 2026
Outlines VPN Interface T1/E1 features, configuration methods using groups and templates, and setup procedures for T1/E1 controllers to enable VPN connectivity.
Details configuration procedures for the VPN Interface T1/E1, covering methods to configure interfaces and T1/E1 controllers using configuration groups and templates.
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