Recursive Routing Failure


You work as the network engineer for a company with an ambitious plan to build a tunnel between Japan and Australia. To support this project you have to configure the network with some new routers. You configure your network but you receive some “%TUN-5-RECURDOWN: Tunnel0 temporarily disabled due to recursive routing” errors. Time to dig to the core of this problem…


  • All IPv4 addresses have been preconfigured for you.
  • Configure RIP version 2 on all routers. Use “network” to advertise everything on all routers.
  • Configure a tunnel0 interface between the FastEthernet interfaces of router Japan and Australia.
  • Configure network /24 on the tunnel0 interface.
  • Solve your recursive routing failure in any possible way.

It took me 1000s of hours reading books and doing labs, making mistakes over and over again until I mastered all the routing protocols for CCNP.

Would you like to be a master of routing too? In a short time without having to read 900 page books or google the answers to your questions and browsing through forums?

I collected all my knowledge and created a single ebook for you that has everything you need to know to become a master of routing.

You will learn all the secrets about tunneling, routing, recursive route failures and more.

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Recursive Routing Failure

Video Solution:

Configuration Files

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Written by René Molenaar - CCIE #41726

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About the Author: Rene Molenaar

René - CCIE #41726 is the creator of where he shares CCNA, CCNP and CCIE R&S labs. He also blogs about networking on