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DMVPN - tunnel source loopback

im working on a DMVPN scenario. we have two dmvpn hubs and various branches, the problem is that the branches connect to the hub on different physical links, what would be the tunnel source on the multipoint gre tunnel...is it loopback , and what would be the nhs for spokes ,,,

plz reply soon and in detail

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Bronze

Re: DMVPN - tunnel source loopback

Do the tunnels rekey after one lifetime cycle and continue working with the loopback source interface?

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