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I've already tried this more than twice. I can connect my laptop via Ethernet cable to the router on Windows, but when I do so on Elementary, the router instantly crashes and reboots. I can use WiFi on both Windows and Elementary, problem-free.

I don't know if there is a driver issue. My Wi-Fi card is Ralink RT3290 and my LAN card/device is Realtek PCIe GBE. I haven't found any good drivers for the LAN device.

Pinging the address used by Elementary for the Ethernet port 192.168.1.65 from Windows results in 'Destination host unreachable'.

After the request from the comments section here is the ip a command result run before plugging the Ethernet cable causing the router to crash not 5 seconds after: 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eno1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000 link/ether ec:b1:d7:94:a3:97 brd ff:ff:ff:ff:ff:ff inet6 2001:8a0:f41a:c700:382c:d508:1bfd:e499/64 scope global temporary tentative dynamic valid_lft 89999sec preferred_lft 85810sec inet6 2001:8a0:f41a:c700:1ad1:c9ac:3e23:852/64 scope global tentative dynamic mngtmpaddr noprefixroute valid_lft 89999sec preferred_lft 89999sec inet6 fe80::a5e4:d:f5f0:25eb/64 scope link noprefixroute valid_lft forever preferred_lft forever 3: wlo1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000 link/ether 38:b1:db:8e:e6:45 brd ff:ff:ff:ff:ff:ff inet 192.168.1.65/24 brd 192.168.1.255 scope global dynamic noprefixroute wlo1 valid_lft 3437sec preferred_lft 3437sec inet6 2001:8a0:f41a:c700:c9d1:4675:a060:adef/64 scope global temporary dynamic valid_lft 89999sec preferred_lft 85739sec inet6 2001:8a0:f41a:c700:53f3:740b:2c3b:72dd/64 scope global dynamic mngtmpaddr noprefixroute valid_lft 89999sec preferred_lft 89999sec inet6 fe80::9c64:fc55:a339:87e6/64 scope link noprefixroute valid_lft forever preferred_lft forever

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    I just added it to the post. @K7AAY – fabiofcferreira Apr 19 at 20:34
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    Just did it. Got "Destination host unreachable." – fabiofcferreira Apr 23 at 21:46
  • Thank you for the testing, appreciate your patience. Anyone else have an idea? – K7AAY Apr 23 at 22:04
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    To be honest, I came to your conclusion the last time I booted to elementary. I may be able to check my routers IP management tables. – fabiofcferreira Apr 23 at 22:06
  • People seem to have culled previous comments, so the comms are a bit patchy, but ... in the text section you're referring to 192.168.1.65 as the ethernet port's IP. In the output of ip a it shows up as the wifi IP address. Are you trying to use the same IP for two interfaces? Could that be confusing your router? – tink Jul 15 at 17:32

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