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Port Forwarding not allowing internal/external connections


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Hi all, I run a media server on my network with Sabnzbd, Couch-Potato and Sickbeard.

 

All the programs work fine on the media server with a wired connection to the R1. The problem comes when trying to connect from another computer either on the network or externally.

 

I've added the IP/TCP/UDP/Port details to the port forwarding options using the IP address displayed in the device manager for my media server.

 

The result is that there is no access internally when using the <internal IP>:<Port> details for the program running on the  media server. there is also no connection when i try and connect externally using the <external IP>:<Port>.

 

What am I missing?

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  • Netduma Staff

Is the Netduma in the other router's DMZ? :)

 

Also, if your using a media server, go to Settings >> Miscellaneous and make sure that multicast snooping is enabled as I think that this is used with media servers :)

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So another quick question ( a silly one I might add)...

 

How do i Identify the R1's IP address on the Virgin Media hub to add it to the DMZ? I've turned it back into full Router and Modem mode - but the R1 even though its hard wired isnt showing as connected to the Hub...

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  • Netduma Staff

So another quick question ( a silly one I might add)...

 

How do i Identify the R1's IP address on the Virgin Media hub to add it to the DMZ? I've turned it back into full Router and Modem mode - but the R1 even though its hard wired isnt showing as connected to the Hub...

 

Go to the device manager and it is listed as 'WAN IP'. This is the number you would put into the Virgin media DMZ :)

 

But if you are in modem mode you won't need to do this.

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ok so my setup is:

 

1 - Super Hub - Modem Only mode

2 - R1 as router with ports forwarded for media server

3 - Media Server - wired

 

Still can't connect internally or externally on the ports I've opened on my actual IP address:port, nor internally when specifying the device IP:port?

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  • Netduma Staff

In your OP you said that "All the programs work fine on the media server with a wired connection to the R1". Could you explain when and when you can't connect to the media server please because from that it sounds like under some circumstances you can connect  :)

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ok - so the media server has a monitor attached - I can use that system to run the programs just fine - and they can access the internet just fine with the setup documented in post 10.

 

As the media server just sits there i tend to access the programs remotely - either on my phone or laptop - sometimes whilst connected to my home network, sometimes externally.

 

With the hub acting as router and modem and the port forwarding rules setup on the hub everything works.

 

With the hub as just modem, and the R1 as router with port forwarding setup on the R1 I can't access over the network internally when using the device IP and the program port, or over the internet externally using my ISP provided IP and the port for the program.

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  • Netduma Staff

ok - so the media server has a monitor attached - I can use that system to run the programs just fine - and they can access the internet just fine with the setup documented in post 10.

 

As the media server just sits there i tend to access the programs remotely - either on my phone or laptop - sometimes whilst connected to my home network, sometimes externally.

 

With the hub acting as router and modem and the port forwarding rules setup on the hub everything works.

 

With the hub as just modem, and the R1 as router with port forwarding setup on the R1 I can't access over the network internally when using the device IP and the program port, or over the internet externally using my ISP provided IP and the port for the program.

 

From one of the PCs, can you go to a command prompt, and ping the IP of the media server. To do this type in 'ping ' with '' being the IP. E.g ping '192.168.88.10'. Then paste the output here :)

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thanks dude - here you go, how does this look?

 

ping 192.168.88.234

PING 192.168.88.234 (192.168.88.234): 56 data bytes

64 bytes from 192.168.88.234: icmp_seq=0 ttl=128 time=143.519 ms

64 bytes from 192.168.88.234: icmp_seq=1 ttl=128 time=1.343 ms

64 bytes from 192.168.88.234: icmp_seq=2 ttl=128 time=25.818 ms

64 bytes from 192.168.88.234: icmp_seq=3 ttl=128 time=8.958 ms

64 bytes from 192.168.88.234: icmp_seq=4 ttl=128 time=1.924 ms

64 bytes from 192.168.88.234: icmp_seq=5 ttl=128 time=21.252 ms

64 bytes from 192.168.88.234: icmp_seq=6 ttl=128 time=1.753 ms

64 bytes from 192.168.88.234: icmp_seq=7 ttl=128 time=1.925 ms

64 bytes from 192.168.88.234: icmp_seq=8 ttl=128 time=14.072 ms

64 bytes from 192.168.88.234: icmp_seq=9 ttl=128 time=2.058 ms

64 bytes from 192.168.88.234: icmp_seq=10 ttl=128 time=2.925 ms

64 bytes from 192.168.88.234: icmp_seq=11 ttl=128 time=12.056 ms

64 bytes from 192.168.88.234: icmp_seq=12 ttl=128 time=1.931 ms

64 bytes from 192.168.88.234: icmp_seq=13 ttl=128 time=1.775 ms

64 bytes from 192.168.88.234: icmp_seq=14 ttl=128 time=2.100 ms

64 bytes from 192.168.88.234: icmp_seq=15 ttl=128 time=2.647 ms

64 bytes from 192.168.88.234: icmp_seq=16 ttl=128 time=1.673 ms

64 bytes from 192.168.88.234: icmp_seq=17 ttl=128 time=1.969 ms

64 bytes from 192.168.88.234: icmp_seq=18 ttl=128 time=1.834 ms

64 bytes from 192.168.88.234: icmp_seq=19 ttl=128 time=1.747 ms

64 bytes from 192.168.88.234: icmp_seq=20 ttl=128 time=1.964 ms

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Ok - guys so I fixed it - stupidly the mediaserver didnt recognise the new network as a friendly one - I've logged in and accepted the network into its list of shares and the internal access is now working.

 

 

Apologies for my stupidity and wasting your time on this one!!

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  • Netduma Staff

Great news. I've marked your answer as the accepted one so that others who may have the same problem can fix this issue. Well cone on fixing the issue and if you have any other problem feel free to make a new thread :)

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