Cannot SSH to DMZ network on home router - C1200v3 & C7

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Cannot SSH to DMZ network on home router - C1200v3 & C7

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Cannot SSH to DMZ network on home router - C1200v3 & C7
Cannot SSH to DMZ network on home router - C1200v3 & C7
2020-02-25 18:13:10 - last edited 2020-02-25 18:14:10
Model: Archer A2300  
Hardware Version: V3
Firmware Version:

I'm trying out the DMZ setting on my Archer C1200 v3.0. I hooked up an old router AC1750 C7 and set it as the DMZ host.


The thought is this DMZ router now should be totally exposed to the internet and any port forwarding I do on the DMZ router would go right out to the internet.
I'm doing this to try and separate me home network (TV, Phones, Personal Laptop) from my Lab setup which I want to be partially accessible remotely.

 I get internet in the DMZ network, Everything is great locally but I can't hit anything from the internet.

 

I forwarded port 422 on the DMZ router as a custom SSH port to my Lab PC.
Didn't work
I tried also adding forwarding from my Home Router,
Didn't work.

Do I need to manually add routes on the Home router to direct traffic? I must not get some limitation to the DMZ feature.

 

Here is a quick sketch of what the network looks like.

https://www.dropbox.com/s/74qwllw2lhu9a43/HomeNetwork%20.jpeg?dl=0

 

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Re:Cannot SSH to DMZ network on home router - C1200v3 & C7
2020-02-26 19:18:03

@Stampede 

 

Let's start with how you have the network setup? For the Archer C7 how is it configured?  As an AP, Static IP on the WAN etc. Which router is the DMZ configured?  Do you have it configured on the C1200 to 192.168.4.2 or do you have it configured on the C7 to 10.40.50.22?  

 

For testing can the Lab PC get access to the internet?  Can it connect to the C1200?

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