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Global Accelerated Learning • Est. 1999
Glossary Term TLOC Extension

Training Camp • Cybersecurity Glossary

What is TLOC Extension?

TLOC Extension is a Cisco SD-WAN feature letting one WAN edge router use a neighboring router's transport (TLOC) interface, providing circuit redundancy in dual-router branches.

Glossary > Network Security > TLOC Extension

Understanding TLOC Extension

TLOC Extension is a Cisco SD-WAN feature that allows one WAN edge router to reach a transport network through the transport interface (TLOC) of a directly connected neighboring edge router. It is commonly used in dual-router branch deployments so that each router can access both transport circuits, providing transport redundancy and high availability without requiring a separate physical connection to every WAN link.

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