Just another question please, I've got my other VIP configured like this, will those behave in the same way?? 
I will ensure that routes are in place to the internal destination (mapped IP)
Sorry if this is asking too much.
set interface "loopback.2" zone "untrust"
set interface loopback.2 ip 80.100.133.161/27
set interface loopback.2 route
set interface loopback.2 manage ping
set interface loopback.2 vip 80.100.133.170 443 "HTTPS" 10.0.99.211
set interface loopback.2 vip 80.100.133.170 + 4172 "TCP-UDP-4172" 10.0.99.211
set interface "loopback.2" mip 80.100.133.162 host 10.21.0.211 netmask 255.255.255.255 vr "trust"
set interface "loopback.2" mip 80.100.133.162 host 10.21.0.211 netmask 255.255.255.255 vr "trust"
set interface "loopback.2" mip 80.100.133.163 host 10.21.0.212 netmask 255.255.255.255 vr "trust"
set interface "loopback.2" mip 80.100.133.184 host 10.21.0.237 netmask 255.255.255.255 vr "trust"
set interface "loopback.2" mip 80.100.133.182 host 10.21.0.235 netmask 255.255.255.255 vr "trust"
set interface "loopback.2" mip 80.100.133.183 host 10.21.0.240 netmask 255.255.255.255 vr "trust"
set interface "loopback.2" mip 80.100.133.179 host 10.21.0.224 netmask 255.255.255.255 vr "trust"
set interface "loopback.2" mip 80.100.133.177 host 10.21.0.233 netmask 255.255.255.255 vr "trust"
set interface "loopback.2" mip 80.100.133.180 host 10.21.0.230 netmask 255.255.255.255 vr "trust"
set interface "loopback.2" mip 80.100.133.178 host 10.21.0.229 netmask 255.255.255.255 vr "trust"
set interface "loopback.2" mip 80.100.133.185 host 10.21.0.241 netmask 255.255.255.255 vr "trust"
set interface "loopback.2" mip 80.100.133.186 host 10.21.0.251 netmask 255.255.255.255 vr "trust"
set interface "loopback.2" mip 80.100.133.170 host 10.21.0.190 netmask 255.255.255.255 vr "trust"
set interface "loopback.2" mip 80.100.133.171 host 10.21.0.191 netmask 255.255.255.255 vr "trust"
set interface "loopback.2" mip 80.100.133.172 host 10.21.0.192 netmask 255.255.255.255 vr "trust"
set interface "loopback.2" mip 80.100.133.173 host 10.21.0.193 netmask 255.255.255.255 vr "trust"
set interface "loopback.2" mip 80.100.133.174 host 10.21.0.200 netmask 255.255.255.255 vr "trust"
set interface "loopback.2" mip 80.100.133.164 host 10.21.0.201 netmask 255.255.255.255 vr "trust"
set interface "loopback.2" mip 80.100.133.165 host 10.21.0.202 netmask 255.255.255.255 vr "trust"
set interface "loopback.2" mip 80.100.133.166 host 10.21.0.203 netmask 255.255.255.255 vr "trust"
set interface "loopback.2" mip 80.100.133.167 host 10.21.0.204 netmask 255.255.255.255 vr "trust"
set interface "loopback.2" mip 80.100.133.168 host 10.21.0.205 netmask 255.255.255.255 vr "trust"
set interface "loopback.2" mip 80.100.133.169 host 10.21.0.207 netmask 255.255.255.255 vr "trust"
set interface "loopback.2" mip 80.100.133.175 host 10.21.0.215 netmask 255.255.255.255 vr "trust"
set interface "loopback.2" mip 80.100.133.176 host 10.21.0.216 netmask 255.255.255.255 vr "trust"
set interface "loopback.2" mip 80.100.133.187 host 10.21.0.206 netmask 255.255.255.255 vr "trust"
set interface "loopback.2" mip 80.100.133.188 host 10.21.0.217 netmask 255.255.255.255 vr "trust"
set interface "loopback.2" mip 80.100.133.189 host 10.21.0.218 netmask 255.255.255.255 vr "trust"
set interface "loopback.2" mip 80.100.133.190 host 10.21.0.219 netmask 255.255.255.255 vr "trust"
set interface "loopback.2" mip 80.100.133.181 host 10.21.0.220 netmask 255.255.255.255 vr "trust"