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Forums › 2degrees › ip addressing over 3G


684 posts

Ultimate Geek
Topic # 106661 28-Jul-2012 23:52 Send private message

Hey, im just curious, i've never seen this mentioned anywhere, but when your phone connects to a 3G network, does it automaticly get an ip address for say a day, or does it get a new one each time a data session is activated?

Or is the cell site like my home router, like does each cell site have it's own address that each device feeds off?













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45 posts

Geek
  Reply # 663470 29-Jul-2012 00:02 Send private message

It pretty much 'leases' it for about 2 hours on 3G, if you go to your network details when conected it should tell you the approx DHCP lease time.


cheers

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Vodafone NZ
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  Reply # 663485 29-Jul-2012 06:40 Send private message

Not cell site related but GGSN or HLR if static IP




Systems Engineer Vodafone NZ

http://forum.vodafone.co.nz

126 posts

Master Geek
  Reply # 663504 29-Jul-2012 09:53 Send private message

All my printers are constantly connected to 2degress, all there IP's changed on or around 5am this morning, I will wait see when the change again to see if it is any particular time. I had some bad firmware once that would reconnect every 30 seconds or so and that got a different ip each time.

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  Reply # 663506 29-Jul-2012 10:01 Send private message

jmumby: All my printers are constantly connected to 2degress, all there IP's changed on or around 5am this morning, I will wait see when the change again to see if it is any particular time. I had some bad firmware once that would reconnect every 30 seconds or so and that got a different ip each time.


They will change whenever your connection restarts. That could be because the device restarts it, or because the network causes it to restart. But as long as the connection remains active your IP address does not change.




iPad + iPhone 4S + 2degrees 3G data 4tw!

These comments are my own and do not represent the opinions of 2degrees.

126 posts

Master Geek
  Reply # 663509 29-Jul-2012 10:05 Send private message

SaltyNZ:
jmumby: All my printers are constantly connected to 2degress, all there IP's changed on or around 5am this morning, I will wait see when the change again to see if it is any particular time. I had some bad firmware once that would reconnect every 30 seconds or so and that got a different ip each time.


They will change whenever your connection restarts. That could be because the device restarts it, or because the network causes it to restart. But as long as the connection remains active your IP address does not change.


Yeah, your probably right. Just remembered they auto reboot at 5am.  

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