How to configure a VFP interface for an IPsec VPN
An example of how to configure a VFP interface for a VPN tunnel.
set security vpn ipsec site-to-site peer <peer> tunnel <number> uses <vfpN>
description
ip unnumbered
ipv6 unnumbered
ip tcp-mss
ipv6 tcp-mss
firewall
policy route policy-based
disable
address
mtU