Forum Thread

Setting up static IPs

kalf8483 94 10 September 27, 2015 at 10:04 AM
I recently bought a block of static IPs from u-verse and I need help setting them up. I have a game server and some work related devices I would like to route to specific external IPs.

I currently have a 5031NV gateway and a router which I can flash to either dd-wrt or openwrt. I'd like to essentially bypass the at&t gateway and have my router assign the external IPs to specific devices. For example

Internal IP 192.168.1.100 --> External IP 1
Internal IP 192.168.1.101 --> External IP 2
.......

What's the best way of doing this? The at&t gateway has an option for a cascaded router. I wonder if this is what I need to explore.

Thanks in adance

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#2
Quote from kalf8483 View Post :
I recently bought a block of static IPs from u-verse and I need help setting them up. I have a game server and some work related devices I would like to route to specific external IPs.

I currently have a 5031NV gateway and a router which I can flash to either dd-wrt or openwrt. I'd like to essentially bypass the at&t gateway and have my router assign the external IPs to specific devices. For example

Internal IP 192.168.1.100 --> External IP 1
Internal IP 192.168.1.101 --> External IP 2
.......

What's the best way of doing this? The at&t gateway has an option for a cascaded router. I wonder if this is what I need to explore.

Thanks in adance

Not really my area of expertise, but you bought 2 static IP addresses from your internet provider? Aren't those for the cable modem not your routers? Why would you bypass your gateway\router and the built in protections there (assuming you can even do that which I can not see working at all as a router is not a cable modem)? Doesn't one normally use the static IP assigned to the cable modem\gateway and route inbound traffic via specific ports?
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#3
Quote from YanksIn2009 View Post :
Not really my area of expertise, but you bought 2 static IP addresses from your internet provider? Aren't those for the cable modem not your routers? Why would you bypass your gateway\router and the built in protections there (assuming you can even do that which I can not see working at all as a router is not a cable modem)? Doesn't one normally use the static IP assigned to the cable modem\gateway and route inbound traffic via specific ports?
there are more than 2 static IPs. I don't want to use the gateway to assign the IPs, I want to use the router. The router has much more functionality
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#4
Quote from kalf8483 View Post :
I recently bought a block of static IPs from u-verse and I need help setting them up. I have a game server and some work related devices I would like to route to specific external IPs.

I currently have a 5031NV gateway and a router which I can flash to either dd-wrt or openwrt. I'd like to essentially bypass the at&t gateway and have my router assign the external IPs to specific devices. For example

Internal IP 192.168.1.100 --> External IP 1
Internal IP 192.168.1.101 --> External IP 2
.......

What's the best way of doing this? The at&t gateway has an option for a cascaded router. I wonder if this is what I need to explore.

Thanks in adance
You have to assign them in the gateway to your internal device(s). You will then be able to pass those however you want. I believe my U-Verse gateway might have called it DMZplus or something. I don't have U-Verse currently but did this for my setup. There is a drop-down that allows you to pick the WAN IP for assignment.

Also, because you have more than one external IP and I imagine they are on the same network past the router you will need to assign those to the router and then NAT them there. The U-Verse will basically be a transparent NAT to the router.
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#5
Quote from eekthecat View Post :
You have to assign them in the gateway to your internal device(s). You will then be able to pass those however you want. I believe my U-Verse gateway might have called it DMZplus or something. I don't have U-Verse currently but did this for my setup. There is a drop-down that allows you to pick the WAN IP for assignment.

Also, because you have more than one external IP and I imagine they are on the same network past the router you will need to assign those to the router and then NAT them there. The U-Verse will basically be a transparent NAT to the router.
but will this be assigning the IPs with the uverse gateway? id rather just bypass the gateway all together and have my own router assign the IPs appropriately
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#6
Quote from kalf8483 View Post :
but will this be assigning the IPs with the uverse gateway? id rather just bypass the gateway all together and have my own router assign the IPs appropriately
In my experience you must assign via the U-Verse gateway first. After that you can NAT how you desire. It won't affect your setup and is a one-time very easy process.
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