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Why Can't I Port Forward to the Same Internal Port on Different Devices?

vartistry
Aspirant

Why Can't I Port Forward to the Same Internal Port on Different Devices?

Like many, I made the mistake of getting an Orbi system. It drops constantly and is unreliable, and I'll need to replace it soon, because it's clearly not ready for primetime. Until that day, I'd like to sort out an issue I don't understand. I have multiple devices on my network that accept connections on port 80. I've assigned them discrete IP addresses. On my old Nighthawk, I simply routed unique external ports to specific ips on port 80, and everything was great. But the Orbi refuses to allow that configuration, giving me the classic "The specified port(s) are being used by other configurations. Please check your configurations of USB Readyshare, Remote Management, Port forwarding, Port Triggering, UPnP Port Mapping table, RIP, and Internet connection type" error. But that error does not make sense. I should be able to confgure multiple unique external ports to specific unique ip addresses on port 80:

 

External:10001 -> 10.0.0.1:80

External:10002 -> 10.0.0.2:80

etc

 

I've done this on every router I've ever owned, including NetGear products. Why won't Orbi allow this?

 

Thank you for your help.

Model: RBK50| Orbi AC3000 High-Performance Tri-Band WiFi System
Message 1 of 16

Accepted Solutions
ricky28
Initiate

Re: Why Can't I Port Forward to the Same Internal Port on Different Devices?

Can you try Advance setup -> uPnP and turn uPnP off? Port forwarding to the same port should work after that. uPnP is turn on by default and i don't know why it has anything to do with port forwarding and also the error message is misleading. 

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Model: RBK53| Orbi Router + 2 Satellites Orbi WiFi System
Message 13 of 16

All Replies
Mikey94025
Mentor

Re: Why Can't I Port Forward to the Same Internal Port on Different Devices?

Can you send us a screenshot of what you're trying to do?  It should work.  Here you can see I've been able to port forward to 3389 on two different internal hosts, using different external ports (3389 and 3390).  I also did it to port 80 for two different hosts, using external ports 80 and 81.

orbi2.jpg

 

Message 2 of 16
vartistry
Aspirant

Re: Why Can't I Port Forward to the Same Internal Port on Different Devices?

Thank you for the response. Your screenshot looks exactly like what I expect to happen. Here's how mine looks. The first image shows a forward from external 10002 to internal 10.0.0.22:88. The second shows a failed attempt to add external 10003 to internal 10.0.0.23:88. Of note, I'm on the same firmware as you: V2.1.4.16

 

orbi1.jpg

orbi2.jpg

Message 3 of 16
st_shaw
Master

Re: Why Can't I Port Forward to the Same Internal Port on Different Devices?


@vartistry wrote:

I'd like to sort out an issue I don't understand. I have multiple devices on my network that accept connections on port 80. I've assigned them discrete IP addresses. On my old Nighthawk, I simply routed unique external ports to specific ips on port 80, and everything was great. But the Orbi refuses to allow that configuration, giving me the classic "The specified port(s) are being used by other configurations. Please check your configurations of USB Readyshare, Remote Management, Port forwarding, Port Triggering, UPnP Port Mapping table, RIP, and Internet connection type" error. But that error does not make sense. I should be able to confgure multiple unique external ports to specific unique ip addresses on port 80:

 

External:10001 -> 10.0.0.1:80

External:10002 -> 10.0.0.2:80

etc

 

I've done this on every router I've ever owned, including NetGear products. Why won't Orbi allow this?

 

Thank you for your help.


See my posts in this thread for the solution. You need to create a custom service, otherwise the router thinks you are trying to forward the "http" service more than once.

 

https://community.netgear.com/t5/Orbi/Orbi-port-forwarding-not-working-on-multiple-ports/m-p/1603813...

Message 4 of 16
vartistry
Aspirant

Re: Why Can't I Port Forward to the Same Internal Port on Different Devices?

Thank you for the advice. I apologize if I'm misunderstanding your post, but I believe I'm already trying to create a custom service. See my screenshots where it won't let me create a new service that forwards to a port being used by another service (even though it's two unique IPs).

Message 5 of 16
st_shaw
Master

Re: Why Can't I Port Forward to the Same Internal Port on Different Devices?

I see what you mean.  I'm not exactly sure how the other posters got this to work beyond using the custom service button.  I won't have access to my Orbi to try anything until the weekend.

Message 6 of 16
vartistry
Aspirant

Re: Why Can't I Port Forward to the Same Internal Port on Different Devices?

Yeah, it's strange. This screen is nearly identical to the one I used when setting up my Nighthawk the same way; it just won't let me do it. Seems like a bug in the admin screen, but maybe I'm missing something.

Message 7 of 16
vartistry
Aspirant

Re: Why Can't I Port Forward to the Same Internal Port on Different Devices?

 Any more ideas on this? Do I just write this off as another reason to avoid Netgear products? This is pretty basic functionality.

Message 8 of 16
rhester72
Virtuoso

Re: Why Can't I Port Forward to the Same Internal Port on Different Devices?

I hate to ask the obvious question, but have you tried a different browser?

Message 9 of 16
vartistry
Aspirant

Re: Why Can't I Port Forward to the Same Internal Port on Different Devices?

A good suggestion to be sure, but yes, I have tried Chrome, IE, and Firefox with no success. 😞

Message 10 of 16
vartistry
Aspirant

Re: Why Can't I Port Forward to the Same Internal Port on Different Devices?

Have you been able to test this with your Orbi @st_shaw  I'm pretty convinced this is a bug in the code and yet another flaw with these shoddy products, but it would be nice to have confirmation. Thanks!

Message 11 of 16
st_shaw
Master

Re: Why Can't I Port Forward to the Same Internal Port on Different Devices?

No, I haven't tested it yet.  I will give it a shot next weekend.

Message 12 of 16
ricky28
Initiate

Re: Why Can't I Port Forward to the Same Internal Port on Different Devices?

Can you try Advance setup -> uPnP and turn uPnP off? Port forwarding to the same port should work after that. uPnP is turn on by default and i don't know why it has anything to do with port forwarding and also the error message is misleading. 

Model: RBK53| Orbi Router + 2 Satellites Orbi WiFi System
Message 13 of 16
FURRYe38
Guru

Re: Why Can't I Port Forward to the Same Internal Port on Different Devices?

If you do any Port Forwarding configurations, uPnP needs to be disabled.

uPnP does a form of automatic port forwarding for devices and ports. When you set manual PF, it needs to be disabled...

 

My Setup ISP SparkLight | Internet Cable 1000↓/50↑ CM2000 Modem | Wifi Router RBK752(v.5) | Switches NG GS105/8 and XS505M | 

Additional NG HW: C7800/CAX80/CM1100/CM1200/CM2000, Orbi: CBK40, CBK752, RBK50, RBK853, RBK752, RBK953, SXK30 | NightHawk: R7000, R7800, R7960P, R8000, R8500, RAXE500, RAX50, XR450, EX7500/EX7700, GS308v3

Message 14 of 16
vartistry
Aspirant

Re: Why Can't I Port Forward to the Same Internal Port on Different Devices?

It was totally UPnP. Many thanks to all who helped track this down.

Message 15 of 16
FURRYe38
Guru

Re: Why Can't I Port Forward to the Same Internal Port on Different Devices?

So disabling uPnP?

 


@vartistry wrote:

It was totally UPnP. Many thanks to all who helped track this down.




 

My Setup ISP SparkLight | Internet Cable 1000↓/50↑ CM2000 Modem | Wifi Router RBK752(v.5) | Switches NG GS105/8 and XS505M | 

Additional NG HW: C7800/CAX80/CM1100/CM1200/CM2000, Orbi: CBK40, CBK752, RBK50, RBK853, RBK752, RBK953, SXK30 | NightHawk: R7000, R7800, R7960P, R8000, R8500, RAXE500, RAX50, XR450, EX7500/EX7700, GS308v3

Message 16 of 16
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