Tony Hoyle wrote:
Ronald Wiplinger wrote:
A PHP program could find the remote address and the remote proxy address. I guess a java program could find out what IP addresses the user has and what neighbor addresses the users has (arp) and the java program could make a DHCP request. If the user just submit his data (findings of the Java), than we would know, if he is using DHCP.
That's a really bad idea. For example on a cable system the provider may allow only one DHCP request per mac address. The provider would then release the IP address that the user is using in favour of the new one, thus breaking his connection.
Hmm, I have never heard about that, but as far as I expierenced with DHCP you would be assigned the same IP address.
(Actually, worse, it could break AUP by pretending to be more than one device connected to the cable modem).
I'd be quite upset if a java program did this.
Short is there something available, where the user can easy find out if he has DHCP?
Why is this information relevant? It tells you nothing about the connection itself - certainly not whether the IP address is dynamic as DHCP can equally give out static addresses.
And what if the connection is over PPP? This is not DHCP although it behaves like it in some ways. Your test would fail in that case.
I need to setup the phone before I give it to the user. However, if the user tells me just, I have Internt - ADSL / Cable I cannot set it up.
Most of the time, they have ONE PPPoE connection. Usually I can guess that by asking how many computers they have connected to the Internet.
But there is also the flavor of 8 dynamic PPPoE available, ...
So the simplest approach is to give him a broadband router as option which can connect to PPPoE, Cable or Fix IP. This device gives him DHCP and the phone works.
bye
Ronald
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