Self-assigned IP address and may not be able to connect to the Internet
I am trying to troubleshoot a wireless network in an old sorority house that holds 40 residents, all trying to access wireless using laptops. Some time ago, maybe 6-7 years ago, the ORiNOCO AP-500 system was installed--a Netopia router is connected to the cable modem in the basement of the house, to one AP unit also in the basement, and the switch in a closet on the second floor. There are three AP units plus extenders installed on the second floor and one unit installed on the third floor of the house. We use the MAC address of the users to access the WLANa network which I manage using the AP manager software that came with the system. The residents have been getting very irregular Internet service. I have called the cable modem company to check the signal and they report that it is strong and has not dropped. However, we did have only 5x1.5 mb service and I had it increased to 10x2 mb. I've had two different companies come to look at the equipment only to tell me that the equipment works fine, and still the residents are getting inconsistent Internet connections, if at all. Macs get the message "self-assigned IP address and may not be able to connect to the Internet" and PCs get the message "limited or no connectivity." I am at a loss whether this equipment is salvagable or if I just need all new equipment. I connected a Netgear wireless G router to the Netopia and setup a separate WLANb network that I secured with a WPA-PSK password. I personally use a MacBook with OS X 10.5.5. I am not assigned an IP by the DHCP server when trying to access the WLANa network through the Netopia, but when I switch to the Netgear WLANb network, which is connected to the WLANa network, I am assigned an IP and I can access the Internet. Any thoughts?
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Open Control Panel - Network Connections then right click on the Wireless Network (USB wireless adapter) and then click on Properties. Then in "This connection uses the following items" scroll down to Internet Protocol (TCP/IP) then click on Properties and in the General tab select "Obtain an IP address automatically" also select "Obtain an DNS address automatically" Then click OK
<p>The iPod Touch is the only iPod that can connect to a
computer network using the built-in Wi-Fi adapter more public and open wireless
networks, a dynamic Internet Protocol (IP) for each device when accessing the
network. However, private networks in a number of houses and organizations that
works with static IP addresses. In this scenario, a device always uses the same
unique IP address to connect to the network. You can use an IP address from
your iPod Touch. <br />
<p>1. Tap "Settings," then "Wi-Fi." The
iPod is a list of wireless networks in range. <br />
<p>2. Research on Wi-Fi network you want to participate, while
the use of the IP addresses assigned, press the blue arrow beside the network
name. <br />
<p>3. Tap "Static", enter the IP address you want to
give your iPod. <br />
Try assigning your laptop a static IP. To do this in Windows:
Open Windows Start menu.
Open Control Panel.
Classic view: Open Network Connections Category view: Select Network and Internet Connections, and thenNetwork Connections.
Double-click on your active LAN or Internet connection.
In the General tab, highlight the Internet Protocol (TCP/IP) item, and clickProperties.
In the General tab, click Use the following IP address, and enter:
- IP address. The static IP address you want to assign to this computer (try 192.168.1.110 to start).
- Subnet mask. Subnet mask used by your router (try 255.255.255.0 to start).
- Default gateway. IP address of your router's default gateway (try 192.168.1.1 to start).
In Use the following DNS server addresses, enter all the IP addressses for the DNS servers your router uses (or you can try your router's address, probably 192.168.1.1).
1.Try disbaling and enabling the wireless lan card
2.Check whether Ip addresses assigned in the wireless network card.If the address is assigned by dhcp and not assigned in network card means assign static ip in the range supported in the networkand ping the website or gateway.
3.If the ip is assigned already means try pinging the gateway and dns server .If ping is success means the connection between router and pc and internet is good .In that case you have to check whether authentication is successful if any authentication is used.
if you are trying through wireless, first unplug the wire from the laptop,
make sure that the wireless switch on your laptop is turned on.
click on start, control panel, network connections/network & internet/ Network and sharing center..
right click on wireless network connection Icon, if it says disable, it means it is enabled already.
then click on status..
from here the steps would differ from OS to OS
then click on Support tab (for XP)
check the address type, it should be "Assigned by DHCP"
and if you see the IP Address starts with 169., it is a bad IP and needs to disable the connection and enable it.
if the connection type is "Assigned Manually, right click on wireless network connection icon and click on properties and click Internet Protocol(TCP/IP) and click on properties, in this window, check the option "Obtain IP Address Automatically from DHCP"
click ok and OK ..
again right click on the wireless network connection icon and click on view available networks... click on your router name and click on connect..
now check the functionality.
if you are using windows 7 or vista,
click on status, click on details for the IP Address..
We see DHCP Enabled as YES or NO instead of "Adress type"in XP
if it says no, it means it is assigned manually. to change to DHCP , right click on Wireless Icon, select properties, click on IPV4 IP address and click properties, then select obtain automatic..
Try assigning the IP address manually. To do so go to Network Connections, right click on the wireless connection and click on Properties, select Internet Protocol TCP/IP and click on Properties again. Select use the following IP address and type the address of the same range as of your Router's IP. In case you do not know the range try 192.168.1.5 or 172.16.1.5 with the subnet mask as 255.255.255.0 for both, and when you use the IP as 192.168.1.5 use the default gateway as 192.168.1.1 and for 172.16.1.5 use the default gateway as 172.16.1.1 Also select the lower option as "Use following DNS Server address" and for 192.168.1.5 use 192.168.1.1 and for 220.127.116.11 use 172.16.1.1 .Click on Ok. Click on Ok again and now check for the connectivity.
If the router is not assigning an IP then you are probably not actually connecting to the network. Try disabling your wireless security on the router and see if they connect. If they do then you know the problem lies in that direction.
Hi there, the only reason it doesn't work it's because the wireless key is not correct. It usually shows limited connectivity when the wireless key is not correct. Even just a letter upper or lower case will cause the problem. Since you are connected with the other computer go under the Router settings and double check the wireless key. Check what kind of encryption the router is using, make sure your wireless adapter can support it.
Sounds like the router may need a firmware update as the DHCP service is failing to run correctly.
You can however just use a static ip address.
First of all find out the network address in use.
eg. 192.168.0.1 - 192.168.1.1 - 192.168.2.1
to find out, - start menu - run - cmd - ok - ipconfig
Log on to the client computer as Administrator or as Owner.
Click Start, and then click Control Panel.
Click Network and Internet Connections.
Click Network Connections.
Right-click Wireless Network Connection, and then click Properties.
Click the General tab, click Internet Protocol (TCP/IP) in the This connection uses the following items list, and then click Properties.
In the Internet Protocol (TCP/IP) Properties dialog box, click Obtain an IP address automatically (if it is not already selected), and then click OK.
Note You can also assign a unique static IP address in the range of 192.168.0.2 to 192.168.0.254. For example, you can assign the following static IP address, subnet mask, and default gateway:
IP Address 192.168.0.2 Subnet mask 255.255.255.0 Default gateway 192.168.0.1
This is not the manufacturer's site, but i will try to help.
Is it your own network?
You need to make sure that the network is not protected, or you'll need the password.
Go to Start>Control Panel on your computer
Then go to Network Connections
There should be an icon for your wireless connection.
Right-click -> select Properties In the selectbox select 'Internet Protocol (TCP/IP)' Click Properties Check if 'Obtain an IP-address automatically' and 'Obtain DNS-server' are selected If they were not, Press <Ok> two times and try to connect to the wireless network again.
Can you also tell what IP-address you get? Find it by going to Start > Run Type 'cmd' without the quotation marks and press <Ok> you get a black command box type 'ipconfig', again without the quotation marks and press <Enter> Please tell me the IP-address it tells you...