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Domain controller

By llopez ·
i have a domain controller which handle DHCP, DNS and GPO ...

now the domain controller should not have internet...

but if i take the gateway out , my clients does not have internet and if i put back the gateway ... they have internet ....

that's going on ... what should i do ?!!!!

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Are

by Wizard-09 In reply to Domain controller

You nuts course your domain controller needs internet connection, your domain controller has 2 nics right it shares internet with the lan so if you take away the gateway it cant access the internet.

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Domain controller

by llopez In reply to Are

my domain just have 1 enabled nic
with the ip and mask , and local dns

i have a unix servers working like gateway working just for that....

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Full

by Wizard-09 In reply to Domain controller

Does your domain controller also share the Internet connection to your lan?

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Domain controller

by llopez In reply to Full

no just use 0ne of the gateways for AV updated and Windows Updates once a month...

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You

by Wizard-09 In reply to Domain controller

Lost me, you say when you remove the gateway from the config, your users lose internet connection. Now I asked you if your Domain Controller is sharing its internet connection with the lan you said no as above so what server is your IIS services running on to share the internet with the lan?

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Domain controller

by llopez In reply to You

checking notes from 4 months back my domain controller does not have gateway but since 2 months have gateway .... like i said my domain just handle local dns, dhcp and policy for users. now when i go to take that gateway out of the domain some of my clients lost the internet and in other computers just go to SLOW and very very slow... i don't understand what is going on...
i don't remember to configure something like sharing internet or something like that...

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Domain controller

by llopez In reply to Domain controller

in other clients which are not allow to use internet .. without any kind of configuration , have internet ... when i go to one of those clients says gateway 10.0.0.200 , where those clients get that gateway info from?

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Could be a DNS issue

by sidekick In reply to Domain controller

If your domain controller is acting as the DNS server for your network and the computers on the network are using ONLY the domain controller for DNS, then the domain controller would need to be able to get to the internet for DNS lookups for external sites like techrepublic.com.

Is that how you are set up?

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Domain controller

by llopez In reply to Could be a DNS issue

yes but only for local ... the gateways have their own dns ip's from the providers...example im from costa rica so those gateway servers have 2 or 3 costarican dns ip's configured but those dns ip's are set up only in the gateway servers...
DC - 10.0.0.1
BDC - 10.0.0.2
Gateway1 - 10.0.0.200
Gateway2 - 10.0.0.201
Gateway3 - 10.0.0.202
Gateway4 - 10.0.0.203
Proxy - 10.0.0.204

so all pc's have dns 10.0.0.1 and 10.0.0.2
and the allowed internet computers have Gateway 10.0.0.202 manually configured...

the ones not internet allowed have 10.0.0.200 automatic configured... how is that possible?
somebody change something in my server ? but what?

the question i have is my restricted internet clients when i make ipconfig show's me an gateway ip address , where those clients take that information.

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DNS and all that

by Kjell_Andorsen In reply to Domain controller

The trick here is that if your clients are set to use your DC as DNS and the DCs don't have internet access your clients will not be able to resolve any non local DNS names regardless of what DNS servers you have set up on your gateways. The clients will not query their default gateway for DNS info unless told to do so.

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