Port forwarding suddenly not working ?

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jhewitt

Jun 9, 2018
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So recently like past two weeks I have suddenly been unable to port forward/>?

I have been doing port forwarding for my various servers for years and now its not working..

So I bought a brand new d7000v2 which doesn't want to port forward? neither does the d6300?



For the test I am using a TS3 server creates a virtual voice server on port 9987 (UDP). The ServerQuery is listening on port 10011 (TCP) and file transfers will use port 30033 (TCP)...



I can connect internally to the teamspeak server from various differnet devices

As soon as I try to connect via my external ip... well it can't connect



Model: D6300,D7000v2
Connection type: Fibre
 
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B

bill001g

Titan
Aug 9, 2012
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How are you testing. Are you using a completely external network or are you attempting to access the outside ip address from a internal device.

If you are connecting via external device then you have to start to think the ISP is doing something.

If you are on a inside device the router needs a special feature called hairpin nat for this to work. Most do not document if they support it or not. It tends to put a lot of overhead on the router because the source and destination ip are both your external ip address.
 
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J

jhewitt

Jun 9, 2018
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using a friend as a test

Already asked the isp if they are doing anything funny... they replied no

and the d6300 does support this I use to connect to my own external ip from the same network... only the past two weeks it suddenly stopped working
 
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bill001g

Titan
Aug 9, 2012
28,322
2,755
125,640
These are always tough because you don't really know if the router even got the data. Even though you say you have fiber the router you list is dsl. If you had a direct ethernet port you could plug a pc in directly and run wireshark and see if you were getting packets on those ports.

Although it is likely going to be messy you likely can set your router to run in bridge mode and then plug a pc in but some dsl will require your ethernet port to be set to use pppoe on your pc.

If the router was not dsl you could also load other firmware that lets you do more but nobody supports routers with dsl modems because of software license issues on the DSL support.
 
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J

jhewitt

Jun 9, 2018
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Its using pppoe on the wan port because fibre....
Even though they are listed as DSL they support fibre on the wan port
Wireshark I tried..... yeah it didn't go well
 
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