I cant access my static ips from any outside connection with UDM pro need help!!!!!!

Hello, @alphaparth! Thanks for taking the time to post and engage the community forums with your questions. 

We recommend you try to manually configure IP/Passthrough this will assist with accessing your static IP address. 

1. Open a browser on a computer that is directly connected to the RG.
2. In the address bar, enter http://sm.att.com/d4ea8c40.
3. Select the Firewall tab in the RG GUI page.
4. Select IP Passthrough below the Firewall tab.
5. Enter the Device Access Code if prompted.
6. Select Passthrough option from the Allocation Mode drop-down menu.
7. Select manual from the Passthrough Mode drop-down.
8. Select Save. A re-starting gateway reminder message appears. 
9. Select Restart Now to complete the setting change.
10. Manually configure your device to use the WAN IP address, default gateway, and Broadband Subnet mask from your gateway.

Please do not hesitate to reach back out to us for additional assistance.

Faith, AT&T Community Specialist

Thats the first thing I tried but doesn't allow incoming connections... 

Thanks for letting us know that, alphaparth.

For further assistance, we recommend reaching out to the team at our paid service, HomeTech. They provide 24/7 support for a range of networking concerns and can help you find a resolution.

If you need help with anything else, we'll be here.

Thank you for visiting the AT&T Community Forums.

Aminah, AT&T Community Specialist

Why would I pay for technical support? Its a simple request that Im asking! I have a static block that I pay extra for monthly. No one that ATT has put me in touch with is able to tell me how to configure my BGW320-505 router to successfully passthrough my static IPs to my router. What is the procedure so that what I am paying for will work? This has nothing to do with my router because Im very familiar with it. Im not certified to use your router and I dont know the order of operations or configuration settings to apply to correctly setup that up on the BGW320-505 that att has provided!

@JefferMC I see that you are a high ranking member on the leaderboard is there any suggestions or guidance that you can provide on this issue?

Avoid HomeTech.  Responses from people who have tried have not been positive.   Note that there are issues with eddanm's post described later.

@alphaparth Can you be more specific about exactly the end result you're looking to achieve with your home configuration?  Do you just want to have the UDMP have one of the 5 public static addresses and everything be NATted to that single public address, and let the UDMP handle that NAT and any required port forwarding...  OR... do you want to have multiple public addresses behind the UDMP to be reached from the public Internet (e.g. servers)?    .... OR ... do you want something else.  Please describe in infuriating detail.

I'm also desperately trying to get this to work with no success. My goal with my 5 static public ip's was to run the att gateway in passthrough mode. my Dream Machine pro will have the first ip. Then as needed on my lan to statically assign a couple of devices with the static ip's remaining. any other time or any other situation this is a very easy setup. no matter what i try with this ATT gateway is not working and i've tried every possible configuration scenerio. The only way i can get the static ip's to work is while connected directly to one of the lan ports on the security gateway which i don't want as that device only has 1 5Gb port. I'm using that port to feed the dream machine pro a 5gb link..... i'm going sfp to etheret(10 GB link to a windows datacenter server I would like one of the static ip's on.. no scenerio i've tried in the configurations work.. any advice would be greatly appreciated . Att support verified I configured my public subnet settings are correct in the att gateway 

So you'd like the public Dynamic address assigned to your UDMP and the UDMP to NAT for that.  IP Passthrough will do that.

You'd like the UDMP to handle the subnet internally for you.  That's easy... set up the Cascaded Router feature.  [Ignoring IP Passthrough for the moment], it gets a "WAN" IP of one of the local privates on the BGW320, it should be configured to have the Public Router IP (the .6) on its LAN, and it can handle the useable addresses (.1 - .5) connected to it and route them to the BGW320.

You'd like both... in this case, set the cascaded router's address to 0.0.0.0 in the BGW320 setup, which will cause it to use the IP Passthrough IP address to be used.  The Gateway will happily do this.  The problem that I see is that you now need to configure the UDMP to handle two different routing situations AT THE SAME TIME:

(a) routing/NAT for the Public Dynamic Address and private addresses on the UDMP

(b) routing (w/o NAT) for the Public Addresses block

This is a complex configuration for the UDMP.

I want to have multiple public addresses behind the UDMP to be reached from the public Internet (e.g. servers)... So whenever I try using just IP passthrough Im not able to get any incoming connections and when conducting a traceroute it shows that it doesnt even reach my ATT router or the Gateway of the static IPs.

Let me try setting up cascaded feature and see how that goes.. Ill keep you posted on what the outcome is. Thank you for your prompt response!

@JefferMC you are right its very complex to do that configuration as you mentioned in your last message. Basically I want to have multiple public addresses behind the UDMP to be reached from the public Internet (e.g. servers)... I want all 5 static IPs that i have to be controlled (routing/NAT) by the UDMP. Whats the best config for this or is this even possible? Im seeing 2 configs where:

1. is IP passthrough (this doesn't allow any incoming connections)

2. is Cascaded router (the 2 different routing situations at the same time)

Thank you again for your valuable guidance on this...