What happens if I log on via my laptop through my mobile phone ?
You will be allocated an IP address via DHCP from a pool owned by the phone company.
What exactly is the underlying question? My actual PCs at home for example usually keep the same IP address on my local network and share the IP of the router. Since the router is always on then it's effectively fixed.
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I was just curious as to which entity ISP/work/phoneprovider the IP address associated me with. I'd not grasped the concept that the mobile phone co is acting as my ISP in this circumstance.
however, as accessing the net via mobile seems to work at the same speed we were getting on 1200 baud modems 15/20 years ago, it's not something I do very often
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If you're using your mobile as a dial-up connection/modem (i.e. calling an ISP's phone number) then yes it will be 9600kbps and very slow. But have you not tried GPRS? If on a 2G network it's acceptable and on 3G network it's quite fast.
The IP address you use to connect to the Internet has to be one on the network of the ISP you're using at the time - it has to be routable on their network.
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Rob - it is a 3G connection, but the coverage is v poor in the part of the world where I use it, even for voice calls. Strange for a rur/urban area very close to a major motorway, but there you go
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Since the router is always on then it's effectively fixed.
not really. The DHCP server owned by the ISP gives your router an IP adress on a lease for a fixed period of time. After that time it will be released back into the pool and your router will reaquire another one. Ok its common to get the same one back again but not guaranteed. So you cant run services that require a fixed ip on that basis.
Edited by Altea Ego on 12/03/2009 at 10:53
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It is not released though the DHCP lease is renewed. Subtle difference. So you will get the same one unless someone reconfigured the DHCP server at the other end.
I don't run services fixed on IP. If I did I'd get the router to register itself with a DNS service to get around this.
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It is not released though the DHCP lease is renewed. Subtle difference.
Mine is. I get different ones.
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Virgin Media stays static (and DHCP in my experience on company networks behaves as I describe). But you're right it could change which is why most routers can register with Dynamic DNS services to get around this.
... just learned that you cannot login to my Linksys router using Chrome as the browser too.
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