5268ac and OpenWRT: Difference between revisions

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For any of the below stuff to work, you must FIRST have a device hooked up and connected to the 5268ac with a WAN (not LAN, but WAN) IP Address that is NOT in the range of static IPs allocated to you by AT&T. It can be anything, BUT...

* I very strongly recommend an IP Address in a 'private range', 10.x.x.x, 172.16.x.x, 192.168.x.x.

*I very strongly recommend an IP Address in a 'private range', 10.x.x.x, 172.16.x.x, 192.168.x.x.

* Beyond that, don't use an IP Address in your private LAN range / sub-net.

*Beyond that, don't use an IP Address in your private LAN range / sub-net.

* Assign the WAN port of your device something like 192.168.254.1 / 24 (255.255.255.0)

*Assign the WAN port of your device something like 192.168.254.1 / 24 (255.255.255.0)

* And finally, make sure the AT&T Router has an IP Address assigned to it in the same range (IE, if you chose 192.168.254.1 for your router, 192.168.254.254 for the 5268ac is in that same subnet)

*And finally, make sure the AT&T Router has an IP Address assigned to it in the same range (IE, if you chose 192.168.254.1 for your router, 192.168.254.254 for the 5268ac is in that same subnet)

** Settings Tab, LAN Sub-Tab, Link DHCP Sub-Sub-Tab, DHCP Configuration Section, DHCP Network Range - Configure Manually Button, Router Address Field, etc.

**Settings Tab, LAN Sub-Tab, Link DHCP Sub-Sub-Tab, DHCP Configuration Section, DHCP Network Range - Configure Manually Button, Router Address Field, etc.

In the "Settings Tab, Broadband Sub-Tab, Link Configuration Sub-Sub-Tab, Supplementary Network Section", Add Cascade Router Radio Button sub-fields, there are three items to configure (with an additional Radio Button for an the third item(s)).

* Network Address: This is the first address of the subnet AT&T allocated to you. Not the first of five usable IP Addresses, the first of the 8 IP Address allocated by AT&T ("This Subnet", first usable IP, 2nd, 3rd, 4th, 5th, Default Gateway, Broadcast, the Default Gateway used to be at the bottom of the usable IP range, but not anymore).

*Network Address: This is the first address of the subnet AT&T allocated to you. Not the first of five usable IP Addresses, the first of the 8 IP Address allocated by AT&T ("This Subnet", first usable IP, 2nd, 3rd, 4th, 5th, Default Gateway, Broadcast, the Default Gateway used to be at the bottom of the usable IP range, but not anymore).

* Subnet Mask: 255.255.255.248 (again, this assumes 5 usable static IPs)

*Subnet Mask: 255.255.255.248 (again, this assumes 5 usable static IPs)

* Select Router Router (Pizza Pizza anyone) Radio Button: If this field is populated, great. If not, make sure you have a device connected to the 5268ac device (read the second paragraph of this section). If more than one device with a 'non in the AT&T provided public IP Address range' is connected to the 5268ac, then there will be more than one item in this dropdown list.

*Select Router Router (Pizza Pizza anyone) Radio Button: If this field is populated, great. If not, make sure you have a device connected to the 5268ac device (read the second paragraph of this section). If more than one device with a 'non in the AT&T provided public IP Address range' is connected to the 5268ac, then there will be more than one item in this dropdown list.

* Enter Address Radio Button: If there isn't a device with a 'non in the AT&T provided public IP Address range' IP Address, nothing you put here will work and will result in an Error message that isn't helpful.

*Enter Address Radio Button: If there isn't a device with a 'non in the AT&T provided public IP Address range' IP Address, nothing you put here will work and will result in an Error message that isn't helpful.

Since this is a difficult thing to configure, here's a working example of an old subnet I used to own / have control of about 15 years ago (and still hasn't been allocated to anyone else since then, who says we're running out of IPs?)

Since this is a difficult thing to configure, here's a working example of an old subnet I used to own / have control of about 15 years ago (and still hasn't been allocated to anyone else since then, who says we're running out of IPs?);

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== 5268ac Conclusion ==

...well, there you go. Better information than anything else that's out there. And by my standards, not very good as I was rushed when writing this article. It should be good for experts that are frustrated and beginners to some degree too. Remember, if you're not an expert, there's probably too many assumptions here on basic information, with too few links to external resources. Sorry, again I was in a rush.

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 For any of the below stuff to work, you must FIRST have a device hooked up and connected to the 5268ac with a WAN (not LAN, but WAN) IP Address that is NOT in the range of static IPs allocated to you by AT&T.  It can be anything, BUT...
-* I very strongly recommend an IP Address in a 'private range', 10.x.x.x, 172.16.x.x, 192.168.x.x.
+*I very strongly recommend an IP Address in a 'private range', 10.x.x.x, 172.16.x.x, 192.168.x.x.
-* Beyond that, don't use an IP Address in your private LAN range / sub-net.
+*Beyond that, don't use an IP Address in your private LAN range / sub-net.
-* Assign the WAN port of your device something like 192.168.254.1 / 24 (255.255.255.0)
+*Assign the WAN port of your device something like 192.168.254.1 / 24 (255.255.255.0)
-* And finally, make sure the AT&T Router has an IP Address assigned to it in the same range (IE, if you chose 192.168.254.1 for your router, 192.168.254.254 for the 5268ac is in that same subnet)
+*And finally, make sure the AT&T Router has an IP Address assigned to it in the same range (IE, if you chose 192.168.254.1 for your router, 192.168.254.254 for the 5268ac is in that same subnet)
-** Settings Tab, LAN Sub-Tab, Link DHCP Sub-Sub-Tab, DHCP Configuration Section, DHCP Network Range - Configure Manually Button, Router Address Field, etc.
+**Settings Tab, LAN Sub-Tab, Link DHCP Sub-Sub-Tab, DHCP Configuration Section, DHCP Network Range - Configure Manually Button, Router Address Field, etc.
 In the "Settings Tab, Broadband Sub-Tab, Link Configuration Sub-Sub-Tab, Supplementary Network Section", Add Cascade Router Radio Button sub-fields, there are three items to configure (with an additional Radio Button for an the third item(s)).
-* Network Address: This is the first address of the subnet AT&T allocated to you.  Not the first of five usable IP Addresses, the first of the 8 IP Address allocated by AT&T ("This Subnet", first usable IP, 2nd, 3rd, 4th, 5th, Default Gateway, Broadcast, the Default Gateway used to be at the bottom of the usable IP range, but not anymore).
+*Network Address: This is the first address of the subnet AT&T allocated to you.  Not the first of five usable IP Addresses, the first of the 8 IP Address allocated by AT&T ("This Subnet", first usable IP, 2nd, 3rd, 4th, 5th, Default Gateway, Broadcast, the Default Gateway used to be at the bottom of the usable IP range, but not anymore).
-* Subnet Mask: 255.255.255.248 (again, this assumes 5 usable static IPs)
+*Subnet Mask: 255.255.255.248 (again, this assumes 5 usable static IPs)
-* Select Router Router (Pizza Pizza anyone) Radio Button: If this field is populated, great.  If not, make sure you have a device connected to the 5268ac device (read the second paragraph of this section).  If more than one device with a 'non in the AT&T provided public IP Address range' is connected to the 5268ac, then there will be more than one item in this dropdown list.
+*Select Router Router (Pizza Pizza anyone) Radio Button: If this field is populated, great.  If not, make sure you have a device connected to the 5268ac device (read the second paragraph of this section).  If more than one device with a 'non in the AT&T provided public IP Address range' is connected to the 5268ac, then there will be more than one item in this dropdown list.
-* Enter Address Radio Button: If there isn't a device with a 'non in the AT&T provided public IP Address range' IP Address, nothing you put here will work and will result in an Error message that isn't helpful.
+*Enter Address Radio Button: If there isn't a device with a 'non in the AT&T provided public IP Address range' IP Address, nothing you put here will work and will result in an Error message that isn't helpful.
-Since this is a difficult thing to configure, here's a working example of an old subnet I used to own / have control of about 15 years ago (and still hasn't been allocated to anyone else since then, who says we're running out of IPs?)
+Since this is a difficult thing to configure, here's a working example of an old subnet I used to own / have control of about 15 years ago (and still hasn't been allocated to anyone else since then, who says we're running out of IPs?);
 [[File:5268ac in Cascade Router Mode Working Configuration.jpg|alt=5268ac in Cascade Router Mode - Working Configuration|center|frameless|986x986px|d5268ac in Cascade Router Mode - Working Configuration]]
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+== 5268ac Conclusion ==
+...well, there you go.  Better information than anything else that's out there.  And by my standards, not very good as I was rushed when writing this article.  It should be good for experts that are frustrated and beginners to some degree too.  Remember, if you're not an expert, there's probably too many assumptions here on basic information, with too few links to external resources.  Sorry, again I was in a rush.