Edgerouter x configuration

Hi to everyone,

I'm trying to configure my edgerouter x and I'm failing.... the setup will be ISP modem/router => ER x => 2 switches => 2 AP's...

I can't take out the ISP router.... and the ISP doesn't allow me to have it on bridge mode...

So, I tried a DMZ. I have that option on my ISP modem/router.
I did the initial set up (Basic one) with the Edgerouter where I chose:

• A static IP for eth0
• 192.168.1.10/29 for eth0
• 192.168.1.1 for the gateway on eth0
• 192.168.1.1 for the DNS server on eth0
• Then, for the LAN (chose just one for now) I put the DHCP on and the address on 192.168.2.1/24

The ISP/Modem configuration is the following:

• primary IP/LAN IP: 192.168.1.1/24
• DHCP range: 192.168.1.64 - 192.168.1.253

With this I can't even see the ER-X getting connected to my ISP router. it's as if it does not exists despite being able to go to the ER-X config page on 192.168.2.1 (if my pc is connected to it).

If I put the eth0 IP of ER-X to DHCP (Automatically obtain network settings from the Internet Service Provider), I can see the ER-X connected to my ISP router. However, if I get, for instance an IP os 192.168.1.86 I not able to ping it... don't know why...

Can Anyone help me? what am I doing wrong?
Thanks in advance :)