Nat + Public Network

RouterOS General
1

Hello,

I have a RB411 which behind it is two networks, one network is public ips, and the other network is a private network.

I have a masquerade rule to nat the private network, but it also nats my public network breaking all kinds of stuff for me.

How would I get around this?

Thanks

2

Don’t double NAT. At the first boundary NAT to the inside global and establish routing between the two networks without NAT.

I think. Maybe I’m misunderstanding your question. Or are you asking how to get around a NAT rule affecting traffic you don’t want it to affect? If so, post your NAT rule, routing, and IP configuration, and a network diagram.

Edit: eh, I guess it’s a moot point. http://forum.mikrotik.com/t/nat-public-network/48259/1