OS X :: Network Can't Locate IP/Router Using DHCP?
May 8, 2008
Having trouble on my mac while trying to connect to the internet using the built in Ethernet.
It says under network: Built in Ethernet is currently active. Built in ethernet has a self assigned IP address and may not be able to connect to the internet.
I hit the IPv6 and/or DHCP and it locates a IP just not a router number. Is this what is stopping it from connecting? Please help as I have an AP test I would like to study for....
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May 4, 2010
I have an additional question about the Airport Express. I am interested in buying one but don't want to commit until I get a few questions answered.
1. I own a D-link wired router and a d-link wireless router. I have been tempted to buy the express, hook it into my wired router and run wireless off of the apple. I want the express so I can run itunes on my stereo from anywhere in the house.
Would there be any advantages to me using the wireless router in conjunction with the airport express instead?2. I am interested in the DHCP comments from above. If I turn off DHCP on the airport express then any friends who come over to use the wireless internet will need to be personally configured. Could I just assign the Airport Express a static IP address on the wired router, keep a DHCP on on the express for my friends and turn off DHCP on the wired router?
3. I have a PS3. I don't want to slow my gaming speed down. I intend on plugging the PS3 into my existing router (wired or wireless router, I will have it wired though) Will daisy chaining the express off of the router slow down my PS3 connection when other users are not using it?
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Nov 26, 2010
When we share internet connection through ad-hoc wireless network, each individual connecting to our network will be assigned with an unique IP Address and other required fields will be filled with proper data(Gateway and ..).
I used this feature to access my iPad through wifi, and had no intention of sharing an internet connection.
Now that I don't have an internet connection to share, my computer doesn't give any IP to my device, therefore my computer is unable to see my iPad on the network.
I also tried "Create network" feature of mac, but again, since IP addresses have been assigned by self, I'm not able to see my iPad on the network.
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Jun 7, 2006
I am a comitted Mac switcher trying to put my lovely new MacBook onto the office Windows network. I can connect to the office wireless network (WEP key etc) and the little radar Icon in the menu bar lights up. However, I cannot get the MacBook to obtain an IP address via DHCP. I just keep getting the default self assigned address (169.....).
However, when I connect to the network via a cable using the built in ethernet connector, I get the DHCP address just fine and everything works OK.Also, if I assign an IP address manually to the wireless card (checking it is a free address!) it accepts the settings but I cannot network, not even a basic ping of another machine on the local internal network (all our internal machines are using 10.0.0.x addresses and 255.255.255.0 sub net)The DHCP server is not in the wirless router but is a Windows server machine.This is driving me crazy. I have called Apple care and they just dont want to know because there is a Windows machine in the mix. I expected better from them,
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Jun 22, 2012
My MacBook Pro is unable to locate HP Photosmart Premium eAll-in-One on the network... Wirelss printing cannot work.
Info:
MacBook Pro, Mac OS X (10.7.4)
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May 21, 2012
I recently bought a Hp OfficeJet pro 8600 plus printer and have set it up fine on my desktop pc. When I went to install it on my MacBook it wont let me set it wirelessly because it states that The wireless network settings were successfully downloaded to your device. However, your Mac was unable to locate the device on the network.
Please make sure that:
- Your Mac is connected to a wired or wireless network that has access to your device.
- Your device is connected to the wireless network "home".
Click "Retry" to attempt to connect again using the current settings. Click "Go Back" to enter different settings. The weird part is that everything is set up fine as far as the printer it seems that the mac doesn't want to cooperate. I am running OS X Lion with the newest downloads and updated.
Info:
MacBook Pro (17-inch Mid 2010), Mac OS X (10.7.4)
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Apr 20, 2010
So I have a 15" MBP running Snow Leopard and have recently installed a Western Digital MyBook 1TB World Edition on the network to serve as my Time Machine backup drive. Most of the time, it works flawlessly and OSX / Time Machine does its thing and backs up.
Every once in a while, Time Machine says backup has been delayed because it cannot locate the network drive. This when I can easily access the network drive from other machines on the network, and also from my MBP in Finder. It's just Time Machine that somehow fails to find that drive. When I enter Time Machine preferences and look for the drive, it brings it up immediately and asks me for the username and pwd and viola ... it's up and running again.
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Mar 17, 2010
I have a question. I am currently using a 10/100 router that is connected to the internet and has 8 ports. However I want to take advantage of my 1000 cards on my machines within my home network for transfering files back and forth. So here is my question. If I purchase a switch (10/100/1000), can I have the switch connecting my machines and then have the switch connect to the router to get to the internet? Is this possible? Or do I need something else?
Setup:
Mac's and windows machines--->switch--->router?
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Feb 17, 2012
I just switched from DSL to Cable and had to buy a router for the cable modem. I can't get it to configure with my Mac Pro. It worked with my Macbook Pro after some fiddeling. It's a Netgear gigabit router. My Mac's normally just hook up to the networks.
Info:
Mac Pro, Mac OS X (10.7.2)
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Mar 6, 2009
My current setup is a first gen TC running at 802.11n 5GHz with a Linksys WRT54GS in bridge mode broadcasting 802.11b/g. Both are WPA2 networks, and the setup has been great so far.
When the new AEBS/TC came out, I was looking at the guest network capability and that's got me wondering if there's any way I can create such a network with my setup. I would love to have a network for my DS and PSP to be able to join and would preferably like to have it unsecured to avoid connection issues.
I'm well aware that my TC doesn't have the proper hardware to do that by itself, but is there any way I can create a guest network to allow access to the Internet but not any networked computers on the main network? Would I need a seperate router to do this, or would my current setup be sufficient? What settings would I need, or can this even be done?
Come to think of it, would it just be easier for me to setup an additional gateway using a third router, hide the SSID and have it unsecured? (Although I'd be afraid of compromising my network's security with this method.)
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Dec 14, 2010
Is it possible for me to setup a wireless network/connection from my White Macbook to an Apple TV to share iTunes content WITHOUT a wireless router?
I'm house sitting for a month at Xmas, and they don't have internet in their place (they do, but its one of those wireless dongle things for a laptop)
Don't want Internet, i just want to be able to use my AppleTV i'm getting for xmas for all my media streaming without having to wait till i get my own place a few weeks later!
I have an Airport Express base station but its on a ship coming from London and wont arrive for a few more weeks
Till then looking for a simple (and free) solution
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Jan 1, 2011
My friend bought a new netgear router today. He plugged it in and was ready to get on the internet. The problem is, he can't get on the internet. He is able to connect to the router though. We also tried unplugging the router from the modem and plugging the ethernet straight into his Macbook Pro. From there the internet works perfectly. It is like the modem and the router are not connecting.
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Mar 11, 2008
Tried googling this with no luck. I'm new to the mac/laptop world. My new mac keeps picking my neighbor's network over mine. It (obviously) fails to connect to the neighbors router coz password is required. I then have to scroll down a list of networks and instruct my computer to connect to my router. Is there a way to simplify my life...
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Dec 22, 2009
I have a ADSL router wish is configured in bridging mode and I want to use my Time Capsule as router.
For some reason Time Capsule is complaining about my setup. I've tried all kinds of different settings but I haven't had much success.
The ADSL router must be configured correctly because I have a Netgear Wlan router wish works just fine with the same setup. The Netgear is to be replaced with the Time Capsule now.
I've been struggeling for hours and I'm out of ideas
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Aug 17, 2010
Our company is currently running an Apple Time Capsule that has ~40 users wirelessly connecting to it. Now we recently opened up a new office space that will potentially have more than 50 users that need to connect to our network.
Seeing this we then purchased a Linksys WRT610N wireless router so that we can facilitate more than 50 wireless users. My question therefore is: how do we set this up so that the Linksys router connects to the TC so that we will subsequently be connected to the Internet as well as our network - no matter what SSID (TC or Linksys) we're on. I've been bearing about bridge modes and WAN ports but this is new to us so a brief explanation/procedure would be appreciated.
Keep in mind that we would like to keep the TC as our main router with the Linksys connected to that as well as increase the TC limit of the 50-user connectivity limit.
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Dec 31, 2010
I just purchased my new macbook pro and I wanted to know if it was possible to use the laptop as a router so that my PS3 could connect through it. I followed the steps someone else mentioned:
(1) Open System Preferences on your MacBook Pro, and open "Sharing"
(2) On the left column, click Internet Sharing and check the box
(3) Use the drop-down menu to select Ethernet in "Share your connection from..."
(4) Check the box next to Airport in the section "To computers using..."
(5) Close System Preferences and open the Airport menu from your Toolbar (top)
(6) Click "Create Network", add a name to your Computer-to-Computer network
(7) Leave the Channel as Automatic, add a password if you require (make sure your PS3 is compatible with your chosen level of security), click Ok.
(8) Connect an ethernet cable between your broadband modem and MacBook Pro
(9) Turn on your PS3 and perform your usual setup when connecting to a wireless network
I have an Ipod, and it did detect the new connection that was setup; however, my PS3 and my Windows Mobile phone did not detect it. Is there a reason for this? Do only Apple devices identify this connection?
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Feb 8, 2010
After extensive Googling, I need to take a break, and find out if someone with more experience knows what I can try next...
I'm not the best when it comes to Networks, or even router configuration. I'll just put that out there, in case I've missed something obvious.
My router connection (DLink 2640B) was working perfectly fine before I upgraded to Snow Leopard. Now I cannot connect to any wireless network, and I cannot connect to the router administration page, either
(192.168.1.1).
The internet connection still works fine on two other laptops. Also, I can connect this iMac via the ethernet cable.
I've tried deleting the files NetworkInterfaces.plist, com.apple.network.identification.plist, and preferences.plist; I've tried rebooting my router; I've tried creating a new network. Airport sees all the networks, tries to connect, then it just says that it fails.
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Jun 11, 2010
Can I use my Airport Express to extend my wireless network while using a Bountiful BWRG500 wireless router?
[URL]
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Feb 2, 2010
I've lived in an apartment for the past year that is connected directly to our university network. I have an airport extreme router that I've tried to set up responsibly with no SSID broadcast, WPA2 with extremely difficult password, transmission power set to 25% etc. It has also been set to 'share a public IP address" and everything has so far worked smoothly.
Recently, however, all apartments in the complex received letters saying that there had been disruptions on the network and that it was most likely due to wifi routers -- which are NOT permitted. If we temporarily disregard that ban, is it possible that my router is causing any disruption? And, if so, what could I do differently to ensure that it does not?
I've tried setting it to bridge mode, but that does not work at all. We are allowed to register 10 mac addresses and I have registered all my devices, but in bridge mode none of them can connect . As I understand it, in bridge mode the university servers are distributing IP addresses to devices that are registered on the network -- is that correct? Then what could be the reason for bridge mode not working if my devices were registered properly?
My main question is whether my router could be causing problems with the above setup?
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Nov 4, 2010
Basically what I wanna know is: Can I configure time machine to back up to a hard disk that is connected to my router? I guess essentially I'm trying to make a homemade time capsule. Is this possible and if so, how?
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Sep 1, 2008
i recently bought an Airport Express, and i finally took it out of its box after i purchased my new stereo. I connected the audio cable to the stereo and the airport unit and plugged it into an outlet. I opened up airport utility on my mac, AX appeared and i configured it to "join a wireless network". After completing the remaining steps, i updated it.. and waited for it to restart. Now here's my problem. It comes up with an error telling me it couldn't find the device after restarting. I have Verizon FiOS as my provider.. and I know that airport express has a history of trouble with the Actiontec router. Is there anything i can do with my current equipment to get this thing to work? I do not need to extend the network.. only join to use airtunes and print wirelessly... Also, my Actiontec router and FiOS connection are through my crappy dell pc downstairs, while i am using my 24" iMac upstairs in my bedroom trying to connect this. Should i change my router's settings?
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Jan 18, 2009
my router is linksys and i want to let my airport express join the network created by linksys wirelessly, would that be done? i was told at apple store that airport can extend existing network, what the problem is?
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Jan 5, 2011
I have just got my 1Tb time capsule and there are a lot of confusing descriptions of how to connect it.
At the moment I have just selected "join existing wireless network" which is a ADSL 2.4ghz G Router that came with my internet package (Thompson TG585 v7).
Does this mean that all traffic goes via the ADSL Router and that I will not be using the 5ghz band when I back up so that all the data will follow a path like this and have slow data rates? :
MAC --2.4ghz--> ADSL Router --2.4ghz--> TC
or will I be communicating directly with the TC at 5ghz for backups and data transfer and 2.4ghz with the ADSL router for internet like this? :
MAC --5ghz--> TC
ADSL Router --2.4ghz--> MAC
If this is not a good setup, what setup would allow me to get the full speed to the time capsule and be connected to the internet.
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Oct 31, 2009
When I make connection with my router I do not have internet, but I go to my network options and I click TCP/IP and then "renew DHCP-lease". The "Router" number change from 192.168.2.1 to 192.168.3.1, and then my internet works. But if I have to restart my mac for some reason, it jumps right back to 192.168.2.1, and i have to click "renew DHCP-lease" again. I have this on my both Macs (MacBook unibody allu, and MacBook white and also on my iPhone).
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Jun 29, 2005
I have a Mac OSX Server (10.4) connected to a switch with various Airport Express terminals around the place. Macs can connect to the network wirelessly (with 128 bit WEP) and WIRED totally fine... but when I try and connect a windows PC either using wireless or WIRED... an IP address isn't assigned. Windows just says "Limited or no connectivity"...
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Mar 8, 2007
The service shows running but will not give an IP address to Mac or PC. As the leases are running out on the machines they are not being renewed. I restarted the service and then the server. Then I reset the DHCP Client list.I turned on a computer lab so that they would all grab a new address.... none of them did. I logged on to a computer and told it to renew its DHCP address and nadda. If i assign a static ip they are fine
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Mar 29, 2012
I have recently purchased a USB Ethernet adapter so I can setup NAT on lion server that runs on a MacBook. I was shocked when it blew away my DHCP Config after I set up NAT, but I stuck with the scope it chose and added the correct DNS and gateway settings.Whenever I start DHCP now, the logs tell me the Config cannot be found, and it blows away all of my modifications to DHCP. On top of that, it won't hand out any addresses.If I stop DHCP, the system logs start telling me that "natpmpd" has started, and then it begins to hand out addresses. The problem with this is, I can't make any changes to the DHCP settings it uses, which means my clients are now getting the incorrect settings for the gateway and DNS.Also, when I modify the Scope with DHCP stopped, the logs tell me it cant update the subnet because it was not found.
Info:
MacBook, Mac OS X (10.7.3)
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Apr 14, 2012
I have setup OS X Lion server to act as the DHCP and DNS server for my local network. DHCP provides gateway address and the local DNS server address.  DNS is set to forward to my ISP DNS servers. 'A' records and 'PTR' records have been created for the various servers on the network and I am able to resolve the servers via dig by name and address. I can also access the internet without issue. DHCP is handing out IP addresses to Windows clients on the network but I am unable to locate the machines with DHCP addresses in DNS either by IP address or FQDN. The windows clients are able to access the internet without issue. Looking at the DNS log there does not appear to be anything recorded when the DHCP address is allocated. Is there something special that needs to be setup either in DHCP or DNS that will allow DHCP to record the host and address details in DNS?
Info:
Mac mini, Mac OS X (10.7.3)
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May 12, 2012
I own a MacMini Server in my home network with Lion Server installed. I configured the DNS Service with a primary zone, providing nameserver (MacMini) etc. Server Admin tool create also a reverse zone 0.0.0.10-in.addr.arpa (my IP Range is 10.0.0.I own also an Airport Extreme Base Station (4th Gen) acting as DSL Modem, DHCP and NAT and creating 2 Wireless networks (private and public network) and it's correctly set up for internet access... In AEBS settings the DNS Servers are 10.0.0.3 (MacMini) and 8.8.8.8...With these settings everyting works fine but all the devices (other Macs, windows PCs, etc.) cannot ping each other... The only machine they can ping is obviusly the MacMini because in the DNS settings i punt manually a machine (A) record...
My question is: is possible to setup Lion Server to dinamically update DNS records using AEBS DHCP entries and reservations ? If possibile i don't want to add all the record manually and I don't want use the AEBS only as an access point...
Info:Mac mini, Mac OS X (10.7.3), Media Center + TM Server
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Jan 9, 2011
I've recently purchased my first Mac (the new 13.3 inch air model). I seem to be having a bit of a problem with wireless networking, though. It seems that my Mac will reconnect to my wireless network perfectly after resuming from sleep mode just fine for a few days, but after those few days, it will mysteriously stop being able to get an IP address from the DHCP server (my wireless router). My PC is able to connect to the network just fine and always seems to be able to get a new address, but the Mac just loses the ability. I have found that the only way I can get the Mac to start grabbing an IP address from the router is by going into the router settings and changing the RIP mode to a value other than what it currently shows. I generally try to stay in RIP_2B mode, but I change it to some other random value whenever it stops connecting.
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