what is tunnel0 - Tu0 interface

I have an interface named Tunnel0 - Tu0 showing up in solarwinds on one of my routers. What is this interface? is it virtual?
knfitzAsked:
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schmitty007Commented:
With cisco this can be a crypto-map tunnel or mutlicast tunnel created interface. In short Virtual. See this document
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AnuroopsunddCommented:
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Ernie BeekExpertCommented:
On a Cisco these are the (active) VPN tunnels: tunnel0, tunnel1, etc. depending on how many VPNs you have.
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