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How do I create a tunnel interface on a Cisco Router ?

Below shows you the steps on how to create a tunnel interface on a Cisco router with the inclusion of OSPF based commands so that Dynamic routing updates can be sent across the link to the remote peer.

interface Tunnel0
ip address [IP] [Mask]
ip ospf network point-to-point
ip ospf mtu-ignore
tunnel source FastEthernet0/0
tunnel destination [remote peer ip]

About the Author

RDonato

R Donato

Rick Donato is the Founder and Chief Editor of Fir3net.com. He currently works as a Principal Network Security Engineer and has a keen interest in automation and the cloud.

You can find Rick on Twitter @f3lix001