Port forwarding problems on Archer MR200

Port forwarding problems on Archer MR200

Port forwarding problems on Archer MR200
Port forwarding problems on Archer MR200
3 weeks ago - last edited a week ago
Model: Archer MR200  
Hardware Version: V5
Firmware Version: 1.2.0.0.9.1 v0001.0

Hello,
I have just changed from a fibre router to a TP Link Archer MR200 and I’m having trouble setting up the port forwarding for my camera system (DVR). The DVR has a fixed IP 192.168.1.12 and port 7000. I have set it up as shown in the screen shot.

 

 

I tried a couple of port checking tools, but the port is closed. What am I doing wrong?

 

 

Another curious thing with this router is it states that the internet IP address is 10.164.213.13, but on the port checking tool it shows as 148.252.129.230. Why is it different? I tried typing in the IP from router, but the port checker still fails.

 

 

Any advice would but much appreciated.
Thank you,
Mick

 

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#1
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1 Accepted Solution
Re:Port forwarding problems on Archer MR200-Solution
3 weeks ago - last edited a week ago

  @Mick_1234 

 

Hi, my understanding is that the ISP needs to assign a public IP to the LTE router instead private IP, whether it is dynamic or fixed. 

For your situation,  10.164.213.13 is a private address that the router got, while 148.252.129.230 belongs to your ISP. So except take port forwarding on the router, it is also required on your ISP side, but they can not do that.

 

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#7
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Re:Port forwarding problems on Archer MR200
3 weeks ago

@Mick_1234 

After spending a day researching this topic, I have discovered that Port Forwarding is not possible on the MR200 using a standard UK SIM card.


This problem was first highlighted by rsethi & Kevin in 2019, https://community.tp-link.com/en/home/forum/topic/172400

 

The “double NAT” problem has Kevin puts it, still exists with SIM providers and is why there are two IP addresses, as I highlighted in my original post. I have just spoken to Lebara help and they confirm that port forwarding is not possible on their SIMs.

 

Fixed IP SIMs are now available, but are extortionate in price (five times the price of normal SIMs). The MR200 would work with this type of SIM, but otherwise forget outside access to this router.

 

Other posts since continue the theme, see https://community.tp-link.com/en/home/forum/topic/553162

 

I wish I had known all this before I bought the router!

Hope my loss helps someone else.

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Re:Port forwarding problems on Archer MR200
3 weeks ago

  @Mick_1234 

 

Hi, thanks for your sharing on our community.

Yes, public IP is usually necessary for port forwarding on a router. And this guide is for your reference.

 

 

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Re:Port forwarding problems on Archer MR200
3 weeks ago

  @Marvin_S 

Yes, I looked at that guide before I bought my router. It what convinced me that it would work! Unfortunately, it doesn’t and I wasted my money.

 

The guide seems to omit the most critical fact, that it only works if you have a special SIM card with a fixed IP. It’s very misleading.

 

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Re:Port forwarding problems on Archer MR200
3 weeks ago

  @Mick_1234 

 

Hi, it is a pity to hear that.

If the ISP assigned a dynamic IP address, it is suggested to follow this guide to set up DDNS. But DDNS does not work if the ISP assigns a private WAN IP address (such as 192.168.1.x) to the router.

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#5
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Re:Port forwarding problems on Archer MR200
3 weeks ago

  @Marvin_S 

If you read Kevin’s reply about the double NAT problem, then you’ll realise what you said is incorrect.

 

In my first post, I mentioned that I ended up with two external IP addresses 10.164.213.13 and 148.252.129.230. This is why DDNS and port forwarding doesn’t work with a normal SIM contract.

 

Unless you have a special fixed IP SIM (at five times the cost), then DDNS and port forwarding doesn’t work. The guides & manuals need to state this clearly.

 

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#6
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Re:Port forwarding problems on Archer MR200-Solution
3 weeks ago - last edited a week ago

  @Mick_1234 

 

Hi, my understanding is that the ISP needs to assign a public IP to the LTE router instead private IP, whether it is dynamic or fixed. 

For your situation,  10.164.213.13 is a private address that the router got, while 148.252.129.230 belongs to your ISP. So except take port forwarding on the router, it is also required on your ISP side, but they can not do that.

 

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