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# 226209 25-Dec-2017 17:08
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I have friends with little technical knowledge. I set up DNS4ME so they could watch some geoblocked films on an Android box. The layout of their place makes it fairly impossible to run an Ethernet cable to the box so it is on wi-fi. It all works fine but because it is on wi-fi, I had to change the DNS server on the router. This particular VF router only has place for one DNS address but it works fine, no problem. 

 

My networking knowledge is limited and my question is what happens if the one DNS server goes down? Since there is no alternate does everything come to a stop, or will the router fall back to the default Vodafone DNS?

 

 





I don't think there is ever a bad time to talk about how absurd war is, how old men make decisions and young people die. - George Clooney
 


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  # 1925030 25-Dec-2017 18:24
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The idea is you have multiple DNS servers set up on your router (x2) for redundancy. If both goes down then you're stuffed however if only one goes down you won't notice anything.







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  # 1925037 25-Dec-2017 19:00
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I get that but the Vodafone router only has place for one DNS address so it is not possible to add the second one. That is why I asked my question. If that server goes down, does the connection just die or does it fall back to The VF default?

 

 





I don't think there is ever a bad time to talk about how absurd war is, how old men make decisions and young people die. - George Clooney
 


 
 
 
 


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  # 1925055 25-Dec-2017 19:33
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It will "go down", in that it won't be able to look up DNS and most anything won't be reachable.

 

I would look into the possibility of changing the DNS on the Android box, or putting the Android box behind its own little router that serves the DNS to it. (Will involve double NAT-ing, but that shouldn't be a problem, I don't think)


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  # 1925088 25-Dec-2017 21:06
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what model is the modem ?

 

and you could just change the dns at the tv box and leave the modem as is





 

 

 


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  # 1925101 25-Dec-2017 21:38
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You *should* be able to set the dns server on the android box.
Try holding the connection until"modify connection" pops up.
You will need to set a fixed ip address and some other settings, but it should let you set the dns4me dns servers ok - both of them.
You can the set the router back.




Nothing is impossible for the man who doesn't have to do it himself - A. H. Weiler

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  # 1925105 25-Dec-2017 21:58
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I have some spare HG659b routers (VFNZ). These can have two DNS servers programmed in. If one would be useful to you PM me.



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  # 1925202 26-Dec-2017 10:12
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jarledb:

 

It will "go down", in that it won't be able to look up DNS and most anything won't be reachable.

 

I would look into the possibility of changing the DNS on the Android box, or putting the Android box behind its own little router that serves the DNS to it. (Will involve double NAT-ing, but that shouldn't be a problem, I don't think)

 

 

Thanks for the suggestion but this is a case of the simpler the better. 

 

 





I don't think there is ever a bad time to talk about how absurd war is, how old men make decisions and young people die. - George Clooney
 


 
 
 
 




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  # 1925203 26-Dec-2017 10:13
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biggal:

 

what model is the modem ?

 

and you could just change the dns at the tv box and leave the modem as is

 

 

I don't recall the model offhand. I can't change the DNS at the box because it is  on wi-fi.

 

 





I don't think there is ever a bad time to talk about how absurd war is, how old men make decisions and young people die. - George Clooney
 




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  # 1925205 26-Dec-2017 10:15
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robjg63: You *should* be able to set the dns server on the android box.
Try holding the connection until"modify connection" pops up.
You will need to set a fixed ip address and some other settings, but it should let you set the dns4me dns servers ok - both of them.
You can the set the router back.

 

Does this also work with wi-fi? I thought it could only be done on Ethernet.

 

 





I don't think there is ever a bad time to talk about how absurd war is, how old men make decisions and young people die. - George Clooney
 




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  # 1925208 26-Dec-2017 10:20
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Dratsab: I have some spare HG659b routers (VFNZ). These can have two DNS servers programmed in. If one would be useful to you PM me.

 

That is a generous offer. Merry Christmas to you, too. I won't take you up on it at this point but thanks for making it. Mainly I just wanted information, as in what would the current router do if the DNS server went down? Since it only allows one server address to be entered, I was hoping it might automatically fall back to the VF default, which would seem sensible. 

 

 





I don't think there is ever a bad time to talk about how absurd war is, how old men make decisions and young people die. - George Clooney
 


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  # 1925240 26-Dec-2017 11:34
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Rikkitic:

robjg63: You *should* be able to set the dns server on the android box.
Try holding the connection until"modify connection" pops up.
You will need to set a fixed ip address and some other settings, but it should let you set the dns4me dns servers ok - both of them.
You can the set the router back.


Does this also work with wi-fi? I thought it could only be done on Ethernet.


 


It's more obvious how to do it on Ethernet, but you should be able to do it on wifi.
Easiest thing is to just press and hold (long hold) on the wifi connection - you should them be able to modify as I mentioned.




Nothing is impossible for the man who doesn't have to do it himself - A. H. Weiler



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  # 1925269 26-Dec-2017 12:29
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robjg63:

 

It's more obvious how to do it on Ethernet, but you should be able to do it on wifi.
Easiest thing is to just press and hold (long hold) on the wifi connection - you should them be able to modify as I mentioned.

 

Okay, I didn't know that. Thanks for the tip.

 

 





I don't think there is ever a bad time to talk about how absurd war is, how old men make decisions and young people die. - George Clooney
 


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  # 1925302 26-Dec-2017 12:44
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Rikkitic:

robjg63:


It's more obvious how to do it on Ethernet, but you should be able to do it on wifi.
Easiest thing is to just press and hold (long hold) on the wifi connection - you should them be able to modify as I mentioned.


Okay, I didn't know that. Thanks for the tip.


 


I know it's ok on versions of android 5 and above.
If your android box has a very old version of Android (and some do), I am not sure if the above is true, but worth checking.




Nothing is impossible for the man who doesn't have to do it himself - A. H. Weiler

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