DHCP Bug Causes Deny WiFi Access

Apr 19, 2010

Several universities have reported this. there's a bug in the DHCP client, causing it to keep using an old IP address if it expires while the tablet is asleep.Princeton University's explanation of the problemPrinceton's IT department automatically looks for this IP mistake, and after it happens several times, locks out the device.

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How To Deny Internet Access From Computer

Jun 3, 2012

How can I deny internet access on an IPAD from my computer?

Info:
iPad, Windows Vista

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How To Deny Access To A Person Using Facetime

Nov 13, 2011

Does anyone know how to deny access to a person using face time. I am receiving calls from Face Time and I'd like to know how to stop it. I've looked at the Apple support website but I don't seem to be able to find out how?

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Wifi Problem Due To Poor DHCP Management

Apr 22, 2010

http://everythingipad.com/ipad-wifi-problem-due-to-poor-dhcp-management-983

Information:
Mac OS X (10.6.3)

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Wifi Connecting But Not Gettind DHCP Address With Security Turned On

Apr 5, 2010

Wifi works fine if there is no security turned on.it gets a DHCP address and I can happily surf the web.Turn on Security, the iPad talks to the Router and the Router show that it's MAC address is connected, but I can't get a DHCP address and if I do a Static it still doesn't connect.Now I am using an older Router a Linksys BEFW11S4 which only supports B but it works fine with my iBook G4 with Airport Extreme card.I have tried the Reset (Holding the Home and Power buttons for ten seconds until the Apple Icon shows up) and I still get a 169.254.x.x APIPA address.

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Wifi Network Setting - Values Listed In DHCP Section

May 2, 2010

First goto network settings click on your currently connected wifi network. Take the values listed in the DHCP section (ip address, subnet mask, router, dns) and insert them into the static section number by number. Turn wifi off reset ipad and test if problems with slow connection are gone. I cant guarantee it will work but it certainky is working for me. It wouldnt hurt to try. Please leave feedback on whether it works or not.

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Access To Free WiFi - Device Access Open WiFi Networks

Nov 8, 2010

I plan on taking my iPad but do not need constant internet access so I am not bothering with 3G providers over there. Will my device access open WiFi networks via Safari just as it does here in the US?

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Wi-Fi DHCP Bug Temp Fix

Apr 27, 2010

i have tried this and it does work,go into you wireless router's settings, check your manual for instructions on how to do this.look for the setting that is called "ip address reserve" or something similar. add the MAC address for your ipad to the list and assign a ip address, for example mine is "192.168.1.11". what this will do is assign the ipad the same address every time it connects, this will prevent the DHCP bug from happening. I have yet to experience this issue after doing this.

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Wi-Fi DHCP Failure - OS IOS Version 3.2.2

Oct 28, 2010

My iPad's WiFi connection has just stopped working since a couple of days ago. It can connect to WiFi access point. However, it fails to correctly obtain its IP address and other related information such as mask, DNS, and others. So, it shows full bars on the top of screen, but cannot connect to Internet at all. I had used the Internet connection and hasn't changed any network related option at all. It just stopped working. I've even tried to connect to several different wireless access points, but its symptom is same. So, I do not think that it's a specific wireless router problem.I've reset its network setting; furthermore, I've done with "Restore". Even in the original factory setting, it shows me the same symptom. Is it a hardware problem?

Information:
iPad WiFi 16GB Other OS iOS version 3.2.2

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Switch From DHCP To Static IP?

Dec 2, 2011

Our church school has a small wireless network. I try to support it. For some reason, lately it has stopped giving IP addresses to some machines. Wireless, anyhow. Wired still seems to work OK. Most of the teachers have Windows machines and I install a program called NetSetMan which lets them easily switch from DHCP to a static address I have allocated to them. More a workaround than a solution, but it gets them onto the internet. But now some of them are showing up with iPads. I can go to the settings to give them a static IP, but that means it won't work when they go home (most likely). They kind of glaze over when I try to show them the changes to make. Is there an app which would do for them what NetSetMan does for the Windows machines?

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Unable To Get IP Address From DHCP Server?

Sep 4, 2010

I have an enterprise WPA2 PEAP MSCHAPv2 wireless network. It allows access via 802.1x authentication using Radius (MS IAS Server) with certificates. I can join the network, enter credentials (that I can see work) and get the certificate. The problem is that I don't get an IP address. I get a 169. APIPA address. I tried to use a static IP address and that doesn't work either. I have connected various laptops, iPhones even a Dell Streak to this wireless network without issue. My iPad won't get an IP at all. There are plenty of addresses in the pool.The setup is a 3COM WX3008 wireless LAN controller and 9552 access points.Any ideas? I went through the articles on wireless settings and none of them help at all. I guess my next step is to wipe the iPad.Like I said... EVERYTHING else works, every other device we try is surfing just not the iPad.

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Create A Static IP When Network Uses DHCP

Sep 12, 2010

iPad/Touch connectivity was great until Charter upgraded our router to an SMCd3gn yesterday. We like what the router does for all our other Macs but the mobiles are not happy. I've read about the glories of giving them a static IP but I can't figure out how to do it when our network is DHCP. Do I use the IP address currently assigned on the DHCP screen? The other thing is that we have to use OpenDNS numbers on all the computers or the router is extremely slow, unlike the old one so it's definitely the router. Does this complicate things? If I can make the iPad static could someone tell me what goes where? Surprisingly, this is not yet on the web.

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Limited Wifi Range/Unable To Access Any Public Wifi ?

Dec 8, 2010

Hi, not sure if I've seen this topic covered, so here goes:
I've had 4.2 OS since implementation with no problems with the wifi...until this past weekend. Then, I logged onto wifi at a motel.

Unable to get new connection following morning. Unable to access any public wifi since. I'm back home, and can't connect to my wifi unless I am literally one foot from my router, signal so low as to be ridiculous. Tried multiple trusted routers and reset multiple times at my home, friends' homes, etc. Also, have tried:

re-set all settings, including network settings; brightness up; join network on/off; factory reset, back to square one. NOTHING. Bought 1.5 weeks ago. I know it's not the routers, have used multiple brands/types with no joy.


Information:
iOS 4

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Periodic Loss Of Connection - DHCP Client

Apr 28, 2010

Symptom: signal not weak, but iPad periodically becomes "not connected"

Workaround: go to settings, find the network, and connect to it.

Note: password is not being forgotten in this case.I think my iPad is having problems when it's DHCP lease expires. It does not appear to be renewing its lease gracefully. Instead it winds up disconnected. The DHCP lease expiration is a theory, but it seems to fit. I noticed that disconnections happen about once per day, which corresponds to the 24 hour client lease time as set on my router. Checking the router's lease table, I also saw that several devices were renewing at about the same time, which perhaps also contributes to the problem. Potentially, there could be a brief conflict when this happens When there is an IP conflict, most other devices will just request a new lease. But I figured I could prevent this by manually renewing the iPads lease so that it would have a new renew cycle.

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Access WiFi Vs 3G

Sep 2, 2010

What happen if there is available both: Wi-Fi and 3G, what is the ipadīs criteria to choose what connection to use. I have read 3G is used IF no wi-fi is available, but also read somewhere else it uses the most reliable connection, which is a bit uncertain.

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Unable To Access Wifi

Jun 16, 2012

No problem accessing wifi network at home but often have problems at other private locations even when using correct password. E.g. I cannot access the Internet at my mother's house and I know the password is correct because I set it up and it works for my laptop.

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VNC Software For Wifi-only Access?

Dec 15, 2011

I'm looking for a VNC program to control a MacMini through my iPad. I only need to use it over WiFi, so something like iTeleport is overkill.

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Can't Access Wifi After Update To 5.1.1

May 11, 2012

Can't access wifi with new Ipad after update to 5.1.1

Info:
iPad

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Access Wifi On IPad 3?

Mar 31, 2012

just got the new iPad 3, it will not access my wifi system. My iPad (original) is still doing very well.

Info:
iPad (3rd generation) Wi-Fi, iOS 5.1, will not access wifi

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Unable To Access Internet Via WiFi?

Jun 5, 2010

I'm not able to access internet via wifi but am connected to my wifi network.when i check the wifi settings IP address and subnet mask have details but is blank for router, dns and search domains.What details should I input there?Would it mess anything up if I used the same settings that my iphone uses?

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PASSWORD TO ACCESS WIFI Not Working

Aug 21, 2010

I have wi-fi on my computer. Just bought an ipad and trying to connect to net. Asks for password - I have a) connection identify b) connection pass word. When I enter connection password it does not work

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