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Always use the same IP address

radioplus
Newbie
Posts: 2
Registered: 14-07-2014

Always use the same IP address

I've got a Raspberry Pi setup and attached using Ethernet to my Technicolor TG582n FTTC Router.
I've got the 'Always use the same IP address' option ticked in the router settings, however this setting only seems to last for 2-3 days before a new IP address is assigned.
The same thing happened when it was using a wireless adaptor, so I tried using Ethernet to see if that helped, but it hasn't.
Any ideas?
5 REPLIES
Community Veteran
Posts: 38,431
Thanks: 1,008
Fixes: 59
Registered: 15-06-2007

Re: Always use the same IP address

the obvious thing to check although I have no idea why or how it could change
Is the device ID the same
TORPC
Grafter
Posts: 5,163
Registered: 08-12-2013

Re: Always use the same IP address

Would this be better placed in Raspberry Pi chat ?Huh
Moderator
Moderator
Posts: 17,555
Thanks: 1,095
Fixes: 127
Registered: 11-01-2008

Re: Always use the same IP address

Nope, it's related to the router giving out DHCP addresses.
Will Moderate For Thanks
Moderator
Moderator
Posts: 17,555
Thanks: 1,095
Fixes: 127
Registered: 11-01-2008

Re: Always use the same IP address

I too have a raspberry pi set to keep the same ip address and even on restart of the router it has kept it as have my other devices.
Will Moderate For Thanks
VileReynard
Seasoned Pro
Posts: 10,674
Thanks: 209
Fixes: 9
Registered: 01-09-2007

Re: Always use the same IP address

The router uses the MAC address on the ethernet card as an identifier.
So you need to make a connection and tell it that this MAC address retains the same connection.