Question about IP address

[Zar]

Now my OS is Vista Ultimate, and I get IP from dhcp server to connect Internet
I mean my IP is like 10.x.x.x

When I was using XP, If I use ipconfig/release & ipconfig/renew,
then I can get a new IP from dhcp.

But now, the method above can't refresh my dynamic IP address
If I want to change my IP address, I must first set a static IP and connect
to gateway
then disable my ethernet adapter, cancel the static IP and use dhcp again.
Finally, MAYBE I can get a new IP.

Even I reboot or shut down my computer for a whole day.
When my computer gets to dhcp server
if there isn't any other computer is USING my IP
then I can't get a new one.

I want to know,
How can I refresh my IP address easily under Vista?

 

[Jack \(MVP-Networking\).]

Hi
It probably Not Vista per-se but the interaction with your specific DHCP
server.
You have to explain better what your DHCP is?
Jack (MVP-Networking).

 

[Zar]

Well, Maybe you're right.
But I really don't know the status about the DHCP Server.

Could you please explain how will a DHCP Server respond to
"ipconfig/release" & "ipconfig/renew"?

 

[Steve Winograd]

Now my OS is Vista Ultimate, and I get IP from dhcp server to connect Internet
I mean my IP is like 10.x.x.x

When I was using XP, If I use ipconfig/release & ipconfig/renew,
then I can get a new IP from dhcp.

But now, the method above can't refresh my dynamic IP address
If I want to change my IP address, I must first set a static IP and connect
to gateway
then disable my ethernet adapter, cancel the static IP and use dhcp again.
Finally, MAYBE I can get a new IP.

Even I reboot or shut down my computer for a whole day.
When my computer gets to dhcp server
if there isn't any other computer is USING my IP
then I can't get a new one.

I want to know,
How can I refresh my IP address easily under Vista?

You can't expect to get a different IP address after doing
ipconfig/release and ipconfig/renew. The DHCP server, not XP or
Vista, decides what address to give you, and it's free to give you the
same address every time.
--
Best Wishes,
Steve Winograd, MS-MVP (Windows Networking)

Please post any reply as a follow-up message in the news group
for everyone to see. I'm sorry, but I don't answer questions
addressed directly to me in E-mail or news groups.

Microsoft Most Valuable Professional Program
http://mvp.support.microsoft.com

 

[Zar]

So,Could you explain why when I use XP, I always get a different IP address?
And why when I use Vista, I can only get the same address?

While I am using Vista, many of my workmates are still using XP
They can change their IP by release&renew, but I can't.

If DHCP server decides IP,
and DHCP server won't care what OS is connecting,
I means XP&Vista makes no difference to DHCP server
Why can't Vista get a new IP?

Or you mean it is just a kind of COINCIDENCE?

 

[Steve Winograd]

So,Could you explain why when I use XP, I always get a different IP address?
And why when I use Vista, I can only get the same address?

I'm sorry, but I can't explain that. On my XP computers, I get the
same IP address every time I do a release and renew.

While I am using Vista, many of my workmates are still using XP
They can change their IP by release&renew, but I can't.

If DHCP server decides IP,
and DHCP server won't care what OS is connecting,
I means XP&Vista makes no difference to DHCP server
Why can't Vista get a new IP?

I'd turn the question around and ask why XP gets a new address. XP
doesn't do that on my computers, and there's no requirement for a DHCP
server to give a new address.

Or you mean it is just a kind of COINCIDENCE?

What device or computer is acting as the DHCP server on your network?

Why do you want to change IP addresses?
--
Best Wishes,
Steve Winograd, MS-MVP (Windows Networking)

Please post any reply as a follow-up message in the news group
for everyone to see. I'm sorry, but I don't answer questions
addressed directly to me in E-mail or news groups.

Microsoft Most Valuable Professional Program
http://mvp.support.microsoft.com