That won't work in my situation. Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 On Jun 19, 2015 10:48 AM, "Sam Tetherow" <[email protected]> wrote:
> I wouldn't blanket rewrite everyone's DNS traffic, there are legitimate > reasons to use external DNS servers. > > Yes you can rewrite the DNS traffic with a simple NAT rule > > /ip firewall nat add chain=dst-nat to-addresses=<new-dns-server> > dst-ports=53 protocol=udp dst-address=<old-dns-server> > /ip firewall nat add chain=dst-nat to-addresses=<new-dns-server> > dst-ports=53 protocol=tcp dst-address=<old-dns-server> > /ip firewall nat add chain=src-nat to-addresses=<old-dns-server> > src-ports=53 protocol=udp src-address=<new-dns-server> > /ip firewall nat add chain=src-nat to-addresses=<old-dns-server> > src-ports=53 protocol=tcp src-address=<new-dns-server> > > I think I still have customers with routers that use my old AT&T DNS IPs > from 9 years ago. > > On 06/19/2015 09:13 AM, Micah Miller wrote: > >> Why use the ip's from the old DNS servers at all? Couldn't you simply >> redirect all DNS traffic from your customers to your new DNS? >> >> Somthing like this possibly: >> /ip firewall nat chain=dst-nat to-addresses=<new-dns-server> >> to-ports=53 protocol=udp src-address=<customer-subnet> dst-port=53 >> >> On Fri, Jun 19, 2015 at 8:55 AM, Josh Luthman >> <[email protected]> wrote: >> >>> Here's my network from a high level: >>> >>> Customers -> Powercode BMU (router) -> Mikrotik Core -> Upstreams >>> Powercode BMU (router) <- DNS servers >>> >>> Is it possible to redirect the traffic in this case? I'm kind of >>> thinking >>> on paper here, but what if I took the IPs of the old DNS servers, put >>> them >>> on the MT core and then did a dstnat to the new IPs? >>> >>> The reasoning behind this is the public IPs of the old servers are TWC >>> addresses and I am moving to my own ARIN (portable) IPs. >>> >>> Josh Luthman >>> Office: 937-552-2340 >>> Direct: 937-552-2343 >>> 1100 Wayne St >>> Suite 1337 >>> Troy, OH 45373 >>> -------------- next part -------------- >>> An HTML attachment was scrubbed... >>> URL: < >>> http://mail.butchevans.com/pipermail/mikrotik/attachments/20150619/34446796/attachment.html >>> > >>> _______________________________________________ >>> Mikrotik mailing list >>> [email protected] >>> http://mail.butchevans.com/mailman/listinfo/mikrotik >>> >>> Visit http://blog.butchevans.com/ for tutorials related to Mikrotik >>> RouterOS >>> >> >> >> > _______________________________________________ > Mikrotik mailing list > [email protected] > http://mail.butchevans.com/mailman/listinfo/mikrotik > > Visit http://blog.butchevans.com/ for tutorials related to Mikrotik > RouterOS > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mail.butchevans.com/pipermail/mikrotik/attachments/20150619/0c03b632/attachment.html> _______________________________________________ Mikrotik mailing list [email protected] http://mail.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS

