Hi Guys,

I have a modem in bridge mode and the Mikrotik dials a PPPoE session to the ISP
On this connection, I have a block of static WAN IPs assigned to me.

I can add these other IPs to a bridge on the mikrotik and they are accessible on the WAN - All works fine,

I now need one of the WAN IPs to be assigned to another router (VOIP) that sits behind the mikrotik. Currently I have done this by 1-1 NAT (Config below) but the VOIP provider wants the real WAN IP on their router.

1 ;;; WAN IP for BT VOIP
chain=srcnat action=src-nat to-addresses=XXX.XXX.XXX.XXX
src-address=172.20.20.1 log=no log-prefix=""

2 ;;; 1-1 NAT for BT VOIP
chain=srcnat action=netmap to-addresses=XXX.XXX.XXX.XXX
src-address=172.20.20.1 log=no log-prefix=""

2 ;;; 1-1 NAT for BT VOIP
chain=dstnat action=netmap to-addresses=172.20.20.1
dst-address=XXX.XXX.XXX.XXX log=no log-prefix=""



Could someone please confirm how I can can passthrough one of the WAN IPs for them to configure directly on their router?

I found this post but am not entirely sure it applies to me as I cant assign the PPPoE interface to a bridge...
viewtopic.php?t=90296

Thanks!