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by Kruu
Sat Nov 18, 2017 1:07 pm
Forum: Networking and servers
Topic: Internet don't work until I replug Lan cable
Replies: 9
Views: 1050

Re: Internet don't work until I replug Lan cable

I did try that now. But no luck. I dont know why.

My router dont even see RPI in device list so it cant give him IP, until I reconnect cable.
by Kruu
Sat Nov 18, 2017 12:06 pm
Forum: Networking and servers
Topic: Internet don't work until I replug Lan cable
Replies: 9
Views: 1050

Re: Internet don't work until I replug Lan cable

Yes all clear now. Ip and gateway stay even if it is lost.

So yes actually I need a script that I could run when I want, so RPI requests DHCP.

Or just a script that disable/enable rpi's LAN port?

Looking online but nothing useful, any idea?
by Kruu
Sat Nov 18, 2017 7:13 am
Forum: Networking and servers
Topic: Internet don't work until I replug Lan cable
Replies: 9
Views: 1050

Re: Internet don't work until I replug Lan cable

Both of them have DHCP and in both of them is reserved IP address for the RPI (the same address).

But they are not working in the same time so I dont see a problem of havign two DHCP if they are not working simultaneously.

Difference is only in gateway.
by Kruu
Fri Nov 17, 2017 9:04 pm
Forum: Networking and servers
Topic: Internet don't work until I replug Lan cable
Replies: 9
Views: 1050

Internet don't work until I replug Lan cable

I have this situation: 2 routers, same IP range but different gateway. When one is ON the other one is OFF. When I change from one router to another router, internet on RPI don work until I replug by hand UTP cable. In between is switch which is always ON so the RPI dont reconnect after power off/on...
by Kruu
Fri Nov 03, 2017 8:17 pm
Forum: Networking and servers
Topic: Raspberry with 3g modem as backup
Replies: 3
Views: 2176

Re: Raspberry with 3g modem as backup

Anyone solved this issue? My RPI is connected over LAN. I need stable connection to internet so planed to connect 3g usb to as a backup internet if there is no internet over LAN. Need a script that would disable LAN and enable usb where 3g dongle is and automatically connect to mobile internet. And ...
by Kruu
Tue Oct 31, 2017 5:36 am
Forum: Networking and servers
Topic: RPi as backup wifi router
Replies: 10
Views: 3238

Re: RPi as backup wifi router

Yes, but I have internet over Access point, router is not in my controll. Also the thing is that I need backup internet only on my rpi, not the whole network.
by Kruu
Mon Oct 30, 2017 5:29 pm
Forum: Networking and servers
Topic: RPi as backup wifi router
Replies: 10
Views: 3238

Re: RPi as backup wifi router

Is this solved in some way? I need something like this. I have RPI 3 connected to router over LAN cable. But when I dont have internet it would be great that RPI automatically turn on 3G dongle and get internet with it. I have Huawei e353. Only thing is that I need to have internet on my RPI no matt...

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