From the course: Cisco Catalyst SD-WAN Foundations

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Tunnel groups

Tunnel groups - Cisco Switches Tutorial

From the course: Cisco Catalyst SD-WAN Foundations

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Tunnel groups

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- [Instructor] By defaulting Cisco Catalyst SD-WAN, WAN-Edge will try to build a full mesh overlay by establishing tunnels to all other TLOCs, regardless of their color. For scenarios where a full mesh is not the desired overlay topology, there is an option called restrict that allows only tunnels to TLOCs marked with the same color. Typically, this feature is configured on transport marked with private colors because a private cloud usually does not have reachability to public ones such as the internet. However, the TLOC color restrict option is not flexible enough because of the following limitation. Only one interface can be marked with a particular color per WAN-Edge router. A WAN-Edge router can't have multiple interfaces marked with the same color because it breaks the uniqueness of the TLOC route. A TLOC is uniquely represented by a three tuple. System IP, color, encapsulation. The system IP makes the route…

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