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RT-AC66R Disconnect Issue

Jon4than

New Around Here
Hey all,

Been reading the forums quite some bit on this but cannot locate a solution to the problem I'm experiencing.

Whenever I plug in this ethernet port that's hardwired into the wall and acts as a WAN PPPoE for our PoS system, the entire system drops (cannot access web, admin page, or anything). If I disconnect the cord relatively quickly, I can see in the log that the router receives I receive the following errors & system comes back online:

Jan 16 15:50:23 kernel: vlan1: received packet with own address as source address
Jan 16 15:50:23 kernel: vlan1: received packet with own address as source address
Jan 16 15:50:23 kernel: vlan1: received packet with own address as source address
Jan 16 15:50:23 kernel: vlan1: received packet with own address as source address
Jan 16 15:50:23 kernel: vlan1: received packet with own address as source address
Jan 16 15:50:23 kernel: vlan1: received packet with own address as source address
Jan 16 15:50:23 kernel: vlan1: received packet with own address as source address
Jan 16 15:50:23 kernel: vlan1: received packet with own address as source address
Jan 16 15:50:23 kernel: vlan1: received packet with own address as source address
Jan 16 15:50:23 kernel: vlan1: received packet with own address as source address
Jan 16 15:50:28 kernel: printk: 2779 messages suppressed.
Jan 16 15:50:28 kernel: vlan1: received packet with own address as source address
Jan 16 15:50:33 kernel: printk: 2742 messages suppressed.
Jan 16 15:50:33 kernel: vlan1: received packet with own address as source address
Jan 16 15:50:38 kernel: printk: 2742 messages suppressed.
Jan 16 15:50:38 kernel: vlan1: received packet with own address as source address
Jan 16 15:50:43 kernel: printk: 2731 messages suppressed.
Jan 16 15:50:43 kernel: vlan1: received packet with own address as source address

This started after doing a hard reset of the router when we had a new modem installed and experienced some issues with Comcast. Connection is stable without having that ethernet plugged in, however the moment it's connected these errors appear.

I've tried changing the router's IP to something different but same results occurred. If I SSH into the router and run an ifconfig, the following share the same MAC (br0, eth0, eth1, vlan1) with eth2 being different (as it's the 5Ghz connection), and tun21 & lo have no address.

Current build: Firmware Version:3.0.0.4.270.26 (Merlin build)
Running: QoS, 2.4 / 5Ghz WiFi,
Disabled: AiCloud, Parental Control, WPS


Any insight or help would be greatly appreciated.

Thanks
 
Last edited:
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