Question PPPOE Connection with 2 Routers (temp)

Dec 15, 2023
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I have installed a full rack of network POE equipment, camera nvr, ubiquity router and a few other network devcies.

The probelm is I need the existing router/internet connection up and running while the second one is configured with an internet connection. I can't have more than a few minutes of downtime.

Because its sensitive I have ran a parallel wired runs to each terminal ready for the swap . But the issue is I can't seem to get PPPOE connection working with 2 routers.

I spoke to my ISP and they said I have a bank of IP addresses that they will hand out so its not just 1.

In theory a slitter at the drop should work but it does not.

I must be missing something very simple.
 
I have installed a full rack of network POE equipment, camera nvr, ubiquity router and a few other network devcies.

The probelm is I need the existing router/internet connection up and running while the second one is configured with an internet connection. I can't have more than a few minutes of downtime.

Because its sensitive I have ran a parallel wired runs to each terminal ready for the swap . But the issue is I can't seem to get PPPOE connection working with 2 routers.

I spoke to my ISP and they said I have a bank of IP addresses that they will hand out so its not just 1.

In theory a slitter at the drop should work but it does not.

I must be missing something very simple.
Personally, I wouldn't pick Ubiquiti as a mission critical network hardware choice. If you can't have "more than a few minutes of downtime", Ubiquiti is not the right choice in hardware. I have a full Ubiquiti network at home, but I wouldn't pick them for critical networks. They don't have hot swap power supplies and may not even support redundant power. NOT the best choice.
 
This is one of those things your ISP might be the best source of information on how to do this.

Are you changing ISP, do you have a second physical internet connection or are you just changing your router.

PPPoE is mostly seen on DSL connections. You do also see it on some fiber connections where the multiple ISP operate on the same fiber infrastructure.

The details on how they do this vary a lot so it is hard to give even general guidance.

If what you are doing is purely changing your router then the problem likely is that the PPP connection is used for authentication purposes. Some dsl connections for example have a userid and password. Others use other methods to establish the PPP.

Technically you can run multiple pppoe connection over the same physical media but the ISP would have to have configured the equipment to allow it.

If your current IP addresses are somehow tied to some userid/password on the first connection you will not be able to have a second connection up at the same time. It should though be possible to turn the first off and the second on then log in.

BUT this is all conjecture only your ISP really knows how they have things setup, and if you have multiple fixed public IP addresses it is much more complex than you simple user who just wants a internet connection and does not care if the IP changes.