until a few days my UTM Release 9.315-2 was connected to the internet via PPPoE. All things worked fine and all values needed for establishing a connection are assigned by the ISP.
Now it's connected to another ISP wich has several advantages for me. The connection to the internet is now established by Cisco 800 located between the internet (DSL) and my SG. So no PPPoE for the SG itself, just native IP. All things work fine except one.
Under Network services => DNS => Forwarders the checkbox From ISP assigned forwarders is hooked and there are two IP addresses visible.
Well, I removed this hook and added two dns-servers of my new ISP in the field above and pressed the submit button. But, they won't be accepted, i.e. no FQDNs are resolved from my clients connected to the SG.
If I perform a traceroute on the shell of the SG both DNS-Servers of my new ISP are reached after a few hops and if I test name resolution with dig|host xzy.de they will be answer in the way I expected it.
So my questions are:
[LIST=1]
- why doesn't the SG use this two new manually assigned DNS servers?
- how can I remove the to ISP-assigned DNS-Server from former times forever, i.e. make my SG 'forget' them?
Any ideas? Many thanks in advance!
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