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Cascading Routers...

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Hello all. I had purchased a new TP-Link TE-ER6020 Router and Switch for VLAN purposes, but then I realized that the Router didn't support my ExpressVPN (anonymity only). I am using DSL, so I have my modem setup in pass-through mode and have my router logging in via PPoE. So, not sure whether I need to have my modem doing the login, and then configure my router to login to ExpressVPN, but then there is no space for all the config scripts. So, I am guessing I am out of luck there.

Either way, I still have my old router (Linksys WRT-3200ACM, which has DD-WRT installed on it, and supports ExpressVPN. So, what I am thinking about doing is Cascading my routers, and putting the Linksys router (Router 1) right after the Modem. Also, it would also be nice to have my security cameras attached to Router 1 and everything else connected to Router 2 (TP-Link), and on separate subnets (Router 1 = and Router 2 = So, I have a couple of questions...

1. Will I be using the LAN to WAN Cascading topology?
2. What will be the default gateway for all the attached devices to Router 2?
3. Both Routers will have Internet access, correct?
4. The only way to access each router is separate access points or by physically plugging into each, correct?
5. I had read that both of the routers will have internet access, but only one of them will be accessible from the outside. Is this correct? If so, which one? Not a biggy either way, just curious.
6. Other than DHCP on each, are there any other weird settings that I can expect to change, i.e. NAT, DMZ, Port Forwarding, etc.? Never needed the play with them before, just didn't know if this configuration required it.

Modem ------> Router 1 ------------> Router 2 -----------> Switch -------> Subnet 2 Devices
|_______> Security Cameras (Subnet 1)

Thank you so much for reading this far... :)


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