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IP Passthrough with AT&&& Gigapower Pace 5268 to Netgear AC1900 r7000
AT&T UVERSE gigapower has a recommended way to "pass through" IP using what they describe as "dmz plus". There is frighteningly little one can manipulate on the AT&T Pace device. "The device that you...
This answer applies to any router.
AT&T tech support gives out faulty/incomplete information about IP Passthrough using the PACE 5268.
To use "IP Passthrough" :
If you leave the Pace 5268 with its default setting using 192.168.0.x. with a subnet mask of 255.x.x.x. you must switch your own router to 10.x.x.x or 172.x.x.x for "IP Passthrough" to work with your router. Keep the subnet mask the same.
I do not know know technically why the IP address conflict occurs because AT&T does not publish a single technical document on "IP Passthrough" as of this posting. But AT&T numerous times told me it was okay to use 192.168.10.X for my router. I even paid them "extra" for this faulty, wrong, incorrect technical support. They are just reading from scripts. And their go to answer is to blame "the router."
I just switched my router to the other Private IP adress ranges out of desperation at having tried everything else. We should all refuse to hand our personal data transfer over to an AT&T device about which there is little or no information -- and through which new Trump adminstration FCC will make it legal for AT&T to sell any information passing through that PACE 5268.
I would love it if an engineer would weigh in on how/why this conflict is created. The drop in bandwidth is extemely odd.
You don't need to touch the DMZ setting on the R7000. The DMZPlus setting is on the Pace. Point it at the R7000. You may have to reboot the Pace for the DMZPlus setting to take effect.
Once, DMZPlus is working, the firewall duties will be sorta shared between the Pace. The Pace will get first dibs at any traffic that it wants to keep for itself or pass onto other devices connected to it. Any other traffic that it would normally drop will be sent to the R7000 un-NAT-ed. Effectively, your R7000 is the main firewall for devices behind it.
What's kinda cool about this setup is that you can still use the Pace as a router. You can put connect less secure devices, such as IP cameras and other IoT devices, to it. You can even use the Pace's Wi-Fi as a dedicated guest network. Traffic from those devices will be isolated from the R7000.
Thanks for your general answer.
the firewall duties will be sorta shared between the Pace. The Pace will get first dibs at any traffic that it wants to keep for itself or pass onto other devices connected to it. Any other traffic that it would normally drop will be sent to the R7000 un-NAT-ed. Effectively, your R7000 is the main firewall for devices behind it.We are experiencing radical loss in bandwidth, especially on upload, after setting up IP Passthrough DMz Plus. And AT&T tech support is blaming our router settings.
I am wondering about r7000 firewall, DHCP settings, subnets, or any of the other setting which could produce NAT / PAT errors.
You can put connect less secure devices, such as IP cameras and other IoT devices, to it. You can even use the Pace's Wi-Fi as a dedicated guest network. Traffic from those devices will be isolated from the R7000.IOT devices, especially cameras are vulnerable to hacks.
SamLabrador wrote:
Thanks for your general answer.
the firewall duties will be sorta shared between the Pace. The Pace will get first dibs at any traffic that it wants to keep for itself or pass onto other devices connected to it. Any other traffic that it would normally drop will be sent to the R7000 un-NAT-ed. Effectively, your R7000 is the main firewall for devices behind it.We are experiencing radical loss in bandwidth, especially on upload, after setting up IP Passthrough DMz Plus. And AT&T tech support is blaming our router settings.
I am wondering about r7000 firewall, DHCP settings, subnets, or any of the other setting which could produce NAT / PAT errors.
You should try 1 or 2 other speed tests (e.g. speedtest.net, att.com/speedtest, dslreports.com/speedtest). This may help determine whether the one you used is congested.
Make sure that you aren't legitimately using that "lost" bandwidth. Perhaps a device is backing up to the cloud? There's a statistics page on the R7000 on the Advanced home page. It displays average bandwidth consumed since the router was boote, so it can look misleadingly low. You'll want to reset the statistics counter to get something that approximates current usage.
You may also consider doing a factory reset. Then do a minimal setup (i.e. Wi-Fi and basic LAN and WAN settings). Don't turn on any fancy features, like QoS (you don't need on a high speed link like yours), keyword filtering, service blocking, MAC address filtering. These will also slow down the router, although not to the extent that you have seen.
IOT devices, especially cameras are vulnerable to hacks.
All the more reason to put them on an isolated network.
TheEther wrote:
SamLabrador wrote:Thanks for your general answer.
the firewall duties will be sorta shared between the Pace. The Pace will get first dibs at any traffic that it wants to keep for itself or pass onto other devices connected to it. Any other traffic that it would normally drop will be sent to the R7000 un-NAT-ed. Effectively, your R7000 is the main firewall for devices behind it.We are experiencing radical loss in bandwidth, especially on upload, after setting up IP Passthrough DMz Plus. And AT&T tech support is blaming our router settings.
I am wondering about r7000 firewall, DHCP settings, subnets, or any of the other setting which could produce NAT / PAT errors.
You should try 1 or 2 other speed tests (e.g. speedtest.net, att.com/speedtest, dslreports.com/speedtest). This may help determine whether the one you used is congested.
Make sure that you aren't legitimately using that "lost" bandwidth. Perhaps a device is backing up to the cloud? There's a statistics page on the R7000 on the Advanced home page. It displays average bandwidth consumed since the router was boote, so it can look misleadingly low. You'll want to reset the statistics counter to get something that approximates current usage.
You may also consider doing a factory reset. Then do a minimal setup (i.e. Wi-Fi and basic LAN and WAN settings). Don't turn on any fancy features, like QoS (you don't need on a high speed link like yours), keyword filtering, service blocking, MAC address filtering. These will also slow down the router, although not to the extent that you have seen.
Picture is of speedtest.net. There is exactly one PC connected to the r7000, the PC doing the speed test using a Gigabit ethernet card and Cat6 cable. There is no QOS, no cameras running, nothing beyond the PC.
Plugging the PC directly into att&t a Pace 5268 port shows uploads exceeding 700mbps.
I renew my begging for any possible technical explanation.
