ASA VTI for IPSec Tunnel with Static Routes

All,

I need to migrate some old ASA VPNs (policy-based) to new ASAvs (VTI/route-based). The VPN will do static routing, but inject into BGP towards our own LAN (redistribute static). The far ends are a range of kit like Fortigate, Juniper, Stormshield.

With VTI configuration it's necessary to:

1. Put an IP address/mask on a tunnel interface (this wasn't needed with the old crypto maps)
2. Install a static route towards the destination via the tunnel interface

In the old policy-based config, it looks like the ASA was creating a static route based on the proxy-ids sent by the kit at the far end (set reverse-route). My questions are:

1. With VTI, are the tunnels UP all the time, hence any static route would always be up?
2. What should be the next-hop ip of the static route?

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route <name-of-local-tun-if> 10.0.0.0 255.0.0.0 <what-can-I-put-as-next-hop-ip?> 

Thanks in advance for any advice.