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Windows 7: multiple ip address on lan

15 Oct 2012   #1

Windows 7 professional
 
 
multiple ip address on lan

Hello,

I have a strange setting in my windows 7 configuration: There are two ip addresses on the same network connection at the same time.
Quote:
C:\Users\kh>ipconfig
Windows IP Configuration
Wireless LAN adapter Wireless Network Connection:
Connection-specific DNS Suffix . : DELTA.local
Link-local IPv6 Address . . . . . : fe80::9075:5d33:bb3f:2d14%11
IPv4 Address. . . . . . . . . . . : 192.168.0.118
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 192.168.0.130

Ethernet adapter Local Area Connection:
Connection-specific DNS Suffix . : DELTA.local
Link-local IPv6 Address . . . . . : fe80::b847:9d27:f482:eb9e%10
IPv4 Address. . . . . . . . . . . : 192.168.0.68
Subnet Mask . . . . . . . . . . . : 255.255.255.0
IPv4 Address. . . . . . . . . . . : 169.254.227.1
Subnet Mask . . . . . . . . . . . : 255.255.0.0
Default Gateway . . . . . . . . . : 192.168.0.130
Does anyone knows what this is?
The computer is in a domain and the first IP is configured by DHCP.

Already thanks.

My System SpecsSystem Spec
.

15 Oct 2012   #2

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium x86 Service Pack 1 - Linux Mint Mate 14 x64
 
 

Do you have two NIC's? How are you connecting to the network?
My System SpecsSystem Spec
15 Oct 2012   #3

Windows 7 professional
 
 

Hello,

No, i only have one NIC and a wireless. (it's a laptop)

The laptop is connected to the wired network via one patch cable and to the wireless connection.
When i disable the wireless connection, the same ip problems remains.

tx.
My System SpecsSystem Spec
.


15 Oct 2012   #4

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium x86 Service Pack 1 - Linux Mint Mate 14 x64
 
 

I was going to say, that two connections would have created two IP addresses, have you disabled the DHCP after disabling the wireless connection?
My System SpecsSystem Spec
15 Oct 2012   #5

Windows 7 professional
 
 

I disabled the wireless connection,
I've put my laptop on fix IP.
I disabled the ipv6 connection.
Quote:
C:\Users\kh>ipconfig

Windows IP Configuration
Wireless LAN adapter Wireless Network Connection:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . : DELTA.local

Ethernet adapter Local Area Connection:
Connection-specific DNS Suffix . :
IPv4 Address. . . . . . . . . . . : 192.168.0.234
Subnet Mask . . . . . . . . . . . : 255.255.255.0
IPv4 Address. . . . . . . . . . . : 169.254.227.1
Subnet Mask . . . . . . . . . . . : 255.255.0.0
Default Gateway . . . . . . . . . : 192.168.0.130
No luck...

EDIT: i reenabled the DHCP settings and now it is ok.
The first moment the 169.x.x.x address remained and after having the dhcp addres, it was ok.
My System SpecsSystem Spec
19 Oct 2012   #6

Windows 7 professional
 
 

Hello,

I change my ip settings regualary with NetSetMan.
After changing my settings, the mulitple ip adress was back there.

Could that be a problem?
i'm going to try next week to remove it, and then not to use NetSetMan. Hopefully it's that.

gr
My System SpecsSystem Spec
20 Oct 2012   #7

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium x86 Service Pack 1 - Linux Mint Mate 14 x64
 
 

Quote   Quote: Originally Posted by koenh View Post
Hello,

I change my ip settings regualary with NetSetMan.
After changing my settings, the mulitple ip adress was back there.

Could that be a problem?
i'm going to try next week to remove it, and then not to use NetSetMan. Hopefully it's that.

gr
It could be, personally I wouldn't use third-party programs in order to set my IP settings, but would choose to configure the settings within Windows itself.
My System SpecsSystem Spec
20 Oct 2012   #8

Microsoft Community Contributor Award Recipient

Windows 8.1 Pro Preview with Media Center
 
 

That is totally normal, as it should be. There is nothing wrong on your double IP addresses. When connected, every network controller has (must have!) its own IP address. Your first post shows you have both wireless (WLAN) and Ethernet (LAN) adapters, both connected with individual IPs.


EDIT: Sorry, I read your post too fast. My fault, I will try to be more careful

There seems to be a small problem with your Ethernet connection. You have assigned an internal IP to Ethernet but it apparently fails to connect, giving instead that 169.254.X.X address.

Let DHCP assign IP automatically; as you stated in your earlier post it worked so there should be no need to try to manually set an IP.

Kari
My System SpecsSystem Spec
21 Oct 2012   #9

Windows 7 professional
 
 

I have to change my settings on a regular basis. (more then once a day) because at my desk, i have to use DHCP.
I have also to connect to machines on a local network, in another subnet, settings the ip address manual.

I'll try to use only the windows IP settings, although i never had problems in the past...

tx.
My System SpecsSystem Spec
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 multiple ip address on lan





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