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New Member

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8 Messages

Sun, Aug 15, 2021 12:49 PM

BGW320 Open port for Synology NAS

How do I open a port to access Synology NAS from outside the home?

Accepted Solution

JefferMC

ACE - Expert

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30.3K Messages

1 year ago

Connect to the BGW320 from inside the home at http://192.168.1.254/ , click on the Firewall > NAT/Gaming tab.  You'll probably need to setup a Custom Service with the port you desire, then assign that custom service to your device.

Accepted Solution

ATTHelp

Community Support

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203.7K Messages

1 year ago

The steps should be the same, @daro6825.

 

If you need further assistance, let us know!

 

Aminah, AT&T Community Specialist

Accepted Solution

JefferMC

ACE - Expert

 • 

30.3K Messages

1 year ago

Note that IP Passthrough directly to a non-router/firewall device (such as a NAS) is discouraged.  

Official Solution

ATTHelp

Community Support

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203.7K Messages

1 year ago

Let's see if we can open that port, @daro6825

 

Thanks for the advice, @JefferMC

 

You may want to try port forwarding. This can be used to open ports as well. Just select your RG model and follow the instructions. 

 

You could also try setting up IP passthrough for your RG. It generally helps when trying to connect 3rd party equipment. You'll want to choose a configuration and follow the steps provided. 

 

Please let us know if this helps! 

 

Raiden, AT&T Community Specialist 

New Member

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8 Messages

1 year ago

Thanks…. Can you point me to any documentation with steps to follow?

New Member

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8 Messages

1 year ago

Thanks!  are the steps the same for the BGW320 and the BGW210?

New Member

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4 Messages

1 year ago

I have the same question.    However, what seems to be missing is the connection between the ports and the NAS (ie, identifying the NAS as the device that wants the particular ports).

My NAS (and I imagine all) is connected by ethernet.  I can find it having an IPv6 address, but it does not show an assigned IPv4 address.  

I can get as far as adding a custom service and define the ports I want opened/forwarded, but when I go to the drop-down box "needed by device", I cannot identify the NAS. 

On the Gateway manager (Home Network>IP Allocation) the NAS is not listed (I can see from the MAC addresses); I am presuming because it is an ethernet rather than Wifi connection, but  ??

How do I solve this piece of the puzzle pls and establish port forwarding (I need to do several on the NAS, including for Plex server).  Assume once I have done the first, it will be clear how to do the others.

New Member

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4 Messages

1 year ago

(to be clear on above; my Synology NAS is still connected when on same network, but cannot access remotely)

JefferMC

ACE - Expert

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30.3K Messages

1 year ago

The instructions would be the same for a BGW 320 as a BGW 210.

I don't know why the Synology wouldn't have an private IPv4 unless it did not request an IPv4.  I would check the IP Allocation feature to see if the NAS shows up there, and if so, you can freeze it there, though it really doesn't matter; you don't need to use the IPv4 to do Port Forwarding; you use the MAC.

New Member

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4 Messages

1 year ago

Thanks for your reply.  Re your points:

-  Synology NAS does not show up in the IP allocation table (by checking the MAC address (none that show up has the NAS MAC address)

-  I can see the Synology NAS in the Device>Device List tab.  In this, under "allocation" (where others show "dhcp"), it shows "pending".  However, a dhcp IPv6 address, plus a further slaac IPv6 address.  I can also ping this address on the network and get responses.

-  However, while you say "you don't need to use the IPv4 to do Port Forwarding; you use the MAC.", I do not see how to do this.  However, as noted above, after I have created a Custom Service entry and try to link this service under "Needed by Device" drop down box under "Application Hosting Entry", I get a (fixed) selection that does NOT include the NAS.  So, how do I "use the MAC", or other info, to complete this exercise ?

     

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