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doliveira

Network Setup – Router LAN – DHCP Settings

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GotNoTime

I think that settings up this way, when my server in turned ON all my office computers will use the server as DNS and when the server is turned OFF all the my office computers will use the router as DNS.

You don't want to have your primary DNS server to occasionally vanish because the server is off since devices will still attempt to query it which will mean delays. Just set the router as primary and nothing as secondary.

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jmwills

Leave DNS on the router.

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Poppapete

I have the TL-ER5120 and Server 2012E- R2.

 

I have DNS on router just in case server is off or rebooting.

 

Default Gateway set to router, 192.168.0.1 in my case and probably yours too. ( I bet is will work fine if this box = empty)

 

Default Domain = empty

 

For Primary and Secondary DNS I use my ISP DNS because it is the fastest.  I tested it using Steve Gibsons "DNS Benchmark" a free tool that tells you the fastesr DNS from your place.

 

https://www.grc.com/dns/benchmark.htm

 

I am NOT using AD. No domain.

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doliveira

You don't want to have your primary DNS server to occasionally vanish because the server is off since devices will still attempt to query it which will mean delays. Just set the router as primary and nothing as secondary.

 

 

Leave DNS on the router.

 

Hi GotNoTime and jmwills,

 

Ok, so i will make DNS to run only on the router.

 

 

I have the TL-ER5120 and Server 2012E- R2.

 

I have DNS on router just in case server is off or rebooting.

 

Default Gateway set to router, 192.168.0.1 in my case and probably yours too. ( I bet is will work fine if this box = empty)

 

Default Domain = empty

 

For Primary and Secondary DNS I use my ISP DNS because it is the fastest.  I tested it using Steve Gibsons "DNS Benchmark" a free tool that tells you the fastesr DNS from your place.

 

https://www.grc.com/dns/benchmark.htm

 

I am NOT using AD. No domain.

 

Hi Poppapete,

 

Glad to finnaly see someone else on this forum using the TL-ER5120!

 

The only difference i see from my setup to your setup is that i'm using a a domain private network (mydomain.local), correct?

 

So from what i have understand from your post i should change from my current settings:

 

Default Gateway: 192.168.0.1  (this is my router IP)
Default Domain: myoffice.local (this is my windows network domain name)
Primary DNS: 192.168.0.10 (this is my server IP)
Secondary DNS: 192.168.0.1 (this is my router IP)
 
to this new settings:
 
Default Gateway: 192.168.0.1  (this is my router IP)
Default Domain: leave blank
Primary DNS: 192.168.0.1 (this is my router IP)
Secondary DNS: leave blank
 
Can you please tell me if i understand properly and tell me what are the best settings?
 
Thanks

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Andne

If the client computers are joined to the domain, then the server needs to provide the DNS for them.  There may be a way to have the router forward myoffice.local queries to the server, but given all of the different record types and whatnot that exist for active directory I'm not sure if that'd be reliable or not.

 

At one point there was a service that came as part of the connector that watched for the server being on the network but not being provided at the DNS and would automatically change the client computers to use it instead of the ones provided by the router.  I don't know if that service is still there or not.  Also, I remember it sometimes fouling up my computers such that when I wasn't on the network they wouldn't reset to using the DHCP-provided DNS servers.

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Poppapete

 

Hi GotNoTime and jmwills,

 

Ok, so i will make DNS to run only on the router.

 

 

 

Hi Poppapete,

 

Glad to finnaly see someone else on this forum using the TL-ER5120!

 

The only difference i see from my setup to your setup is that i'm using a a domain private network (mydomain.local), correct?

 

So from what i have understand from your post i should change from my current settings:

 

Default Gateway: 192.168.0.1  (this is my router IP)
Default Domain: myoffice.local (this is my windows network domain name)
Primary DNS: 192.168.0.10 (this is my server IP)
Secondary DNS: 192.168.0.1 (this is my router IP)
 
to this new settings:
 
Default Gateway: 192.168.0.1  (this is my router IP)
Default Domain: leave blank
Primary DNS: 192.168.0.1 (this is my router IP)
Secondary DNS: leave blank
 
Can you please tell me if i understand properly and tell me what are the best settings?
 
Thanks

 

Not so fast.

First is I am not using AD, not on a domain. I have no experience with AD but I am pretty sure the server needs to supply DNS for clients as Andne explained. My settings are for clients connected using the "SkipDomainJoin" and then using the regedit "SkipAutoDNSServerDetection" set to True.  If your clients are Domain Joined then my setting are not good for you. My guess your settings for this page should be:

 

Default Gateway: 192.168.0.1

Default Domain: I would leave empty and suggest this is used if you have more than one domain

Primary DNS: Server IP Address if you are using AD

Secondary DNS: I would leave empty

 

but take advice from someone who has not skipped the domain join.

 

If you have time read this, it is a little out of date but great explaining DNS and Windows Server

 

http://windowsserveressentials.com/2013/06/17/unravelling-the-mystery-of-client-dns-with-essentials-family-servers/

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