dmvpn tunnel question

When creating a DMVPN tunnel you have to either specify a destination address or tunnel mode gre multipoint not both. What are the benefits/drawbacks of using either or?

Want set this route "ip route vrf force-tunnel 0.0.0.0 0.0.0.0 Tunnel0 name vpn1-orl" but cant if i specify tunnel mode gre multipoint
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progjmAsked:
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Daniel SheppardSenior Network Analyst - Core & PerimeterCommented:
You are better off using a routing protocol (OSPF or EIGRP) to push the default prefix through the tunnel.

As far as Tunnel Mode, with multipoint, it will allow you communicate spoke to spoke without going through the hub.

If you don't need that, you will need split-horizon enabled on your routing protocol to allow proper hub->spoke flooding of the routing protocol database.

I would recommend using multipoint, and instead of using Tunnel0 (which is not brilliant anyways), use your hub's DMVPN ip, or like I said, redistribute your 0.0.0.0/0 at your headend into a routing protocol and let that take care of it.

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progjmAuthor Commented:
Great explanation, thank you!
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