Router is assigning the same IP address
i'm trying to hook up my ps3 and iMac to my wireless router and its assigning both the same IP address so that when I use the internet on one it disconnects the internet on the other. I have no idea how to fix this but I figure it has to be something with my router thanks in advance
It is not possible that router is providing both the devices same Ip address ...... if you had laready provided any Ip addres to either PS3 or I-Mac in that case there would be an Ip address conflict error in your network .....
You can try one thing .... change the Ip address from Maunal to Automatic ....
Also open the routers set up page usin http://192.168.1.1 on browser address bar .....
You will see username & password screen ..... leave username blank & in password use admin.....
Click on wireless ...change the network name to any non-linksys name ........channel - 1 or 11 ..... click save settings .....
Click wireless security ..... use either WEP or WPA security .... have a note of security key .....
Click save settings .....
Check on PS3 & I-Mac if both are connecting to same network at the same time ........
Similar Messages
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Do I need the same ip address for my computer, router and printer?
Do I need the same IP address for my computer, router and printer?
I am trying to reset my router. I have had a lot of problems with "no connection" to my wireless printer. I reinstalled the software and it works for a while.
Also, lose connection a lot on my laptop or it says I am a guest. My cable provider said it is my router.A typical convenient-sized "block" of addresses commonly used is just under 256 addresses. The router almost always is at location xx.yy.zz.1
By default, DHCP will pass out addresses starting at the next address, xx.yy.zz.2 and keep going up toward 254.
By convention, the Address at the end of the range ( xx.yy.zz.255 in this case) is a "magic" address used for broadcast messages, and must not be assigned to an actual device.
To talk to each other easily, the Addresses must "match" in the first three octets of their address, and be different in the last octet, as the above examples do.
When you produce a reference outside that range, such as asking for Apple's web page at:
http://17.149.160.49
It is sent to your Router, which acts as your "agent" in dealing with the Internet. The Router hides your computer's local address and uses its own Public address (provided automatically by your ISP) so send out packets on your behalf, and listen for the answering packets coming back.
When you use a Router that you control, your computer cannot receive unsolicited queries from the Internet at large because the Router's Firewall discards them. Having a Router that you control means you already have the protection of its Firewall, and need not enable the Firewall built-into your Mac. -
My wife and I share the same email address but have separate IPhones. We would like to have each phone individually on "find friends" but cannot do it via email route. How is it done?
make seperate appleID's if you wish to be frinds or if you wish to facetime video chat and if you wish to not recieve the samme imessage msg's unless you turn it off
you can still set both your iphones to use an email address even if both have different appleId's
the appleID is a handle not a link to an email address -
My two iPhone4, Vista PC desktop, Gateway XP desktop and Dell XP portable all have the same IP address. New iPad2 comes up with a different one and seems to eat data from AT&T. All share the same residential router. Shouldn't the iPad IP be the same as the others?
Thanks.
Befuddled new iPad guy.Excuse again. Wrong info. Router # comes up same for all units.
IP addreses are same except for last digit. As< I think it should be.
Think I will visit the Apple store.
Forget it, sorry to bother you. Fail. -
WRT54GS: without Windows, force a given MAC address to always get the same IP address via DHCP?
I have just now set up my WRT54GS to manage my home wireless network, and it works great. I just have one question that I haven't been able to find an answer for (forgive me if I have overlooked an obvious source of information).
I have set up the WRT54GS to be a DHCP server, and it assigns addresses in an ad hoc manner to all the devices that connect to it. In general, this is what I want, but in one case, I want a certain host to always get the same IP address, for example, 192.168.1.10.
You should know that I have no Windows machines on my network. Everything is either running Linux, MacOSX, or Symbian (on a Nokia N95 handheld). Therefore, I can't set up a static IP for my device using the software supplied on the CD that comes with my router, as that software only runs under Windows.
Using a different manufacturer's router, I am able to accomplish this by telling the DHCP software on that router to always assign 192.168.1.10 to the host who connects with a certain MAC address. I can then use this mechanism to force my specific host to always get this desired IP address. However, I haven't been able to find any way to do that with the WRT54GS without the software on the Windows-based CD. Is it possible at all? If I can indeed do this without that Windows software, could someone point me to some docs which explain how to accomplish this?
... or is there perhaps a different way to cause this to happen, perhaps by means of some sort of DHCP client ID?
Thank you very much in advance for any pointers you can give me.
Message Edited by HippoMan on 10-16-2007 05:27 PM
Take a hippopotamus to lunch today.Forget about the CD. There is nothing on the CD which you don't configure better through the router web interface at http://192.168.1.1/ You don't need the CD. Never. I have never used the CD to configure any of my routers. The program on the CD is just a software which helps you with the initial configuration of the router. It is just a software which pretty much contacts the web interface in the background and sends some settings changes there. You can do everything yourself directly. Then you know what you change.
You have to configure the static IP address on the computer and on the computer only, e.g. on your Mac use Static IP instead of DHCP in the network preferences. Enter the IP address you want to use for the computer, the subnet mask, gateway address and DNS server(s). That's it. The router is not involved in any of this.
You just have to make sure that you use an IP address inside the LAN of the router. By default, Linksys routers use the IP address 192.168.1.1 on the LAN side for the the router. The subnet mask is 255.255.255.0. The IP address together with the subnet mask says that all IP addresses 192.168.1.0-255 are considered part of the LAN. Everything else is outside and needs to be routed to the router and from there into the internet. (If you want to know how the subnet mask works exactly read the wikipedia article on it or search for "subnet calculator" or similar in the internet)
Thus, if you connect a computer to your LAN and set a static IP address on the computer it should be inside this IP address subnet/range in order to have internet and LAN access on the computer. It does not matter which address you use as long as it is inside the IP subnet. The DHCP server on the router automatically assign a correct IP address inside the IP subnet and also automatically assigns the correct gateway address (its own address = the address to which everything should be sent which does not belong into the LAN, i.e. the internet traffic) and the DNS server. With static IP you have to assign those values yourself.
But again, there is no Windows computer or CD involved to do that nor is there any configuration on the router required to set the static IP address on the Mac. The IP address you set must simply match your LAN IP which is basically defined through the settings on the router as you want to have internet and thus need access to the router and its address 192.168.1.1.
Some routers allow you define fixed IP addresses for specific devices in the DHCP server of the router. With that function you can set a fixed IP address on the router. The computer can remain on DHCP. It will always get the IP address you have configured in the list on the router through the DHCP server. However, your Linksys router does not have this option. If any device inside your LAN is supposed to receive the same IP address at any time you have to configure that on the device only.
If you have not changed the default LAN IP address, subnet mask and DHCP server settings on the router, the router has 192.168.1.1, subnet mask 255.255.255.0 and the DHCP server uses 192.168.1.100-149 for dynamic assignments. To avoid potential address conflicts you should not use any static IP addresses inside the DHCP server address pool. This leaves you with IP addresses 192.168.1.2-99 and 150-254 as static IP addresses inside your LAN. You can pick any address you like as long as any device with a static IP address has a unique IP address inside your LAN.
Assign the subnet mask 255.255.255.0 on the computer and set the default gateway to 192.168.1.1. The DNS servers are a little bit more complicated. Generally it is better and faster if you use the DNS servers of your ISP. You can, however, also use the IP address of the router 192.168.1.1 as DNS server. The router will then operate as DNS proxy, i.e. it contacts the DNS servers of your ISP for any request from your computer.
If you want to use the DNS servers of your ISP, click on the Status tab in the router web interface. It shows you the current settings of the router on the internet port. It should show you multiple entries for DNS servers. Choose those DNS server IP addresses in the computer.
If you don't want to go through the hassle with the direct access to the DNS servers of your ISP, simple use 192.168.1.1 as only DNS server on the computer.
There are all settings you have to make on your Mac or other computers to assign a static IP address. As long as the IP address is inside 192.168.1.* it belongs to the LAN and has internet access through the router (as long as the default gateway address is 192.168.1.1 of course).
Firmware is loaded either through the web interface of the router, usually somewhere on the Administration tab or with tftp. Both ways work fine on any Mac or Linux box. -
"another device is using the same ip address.." - iOS devices won't connect to AEBS wifi.
I've got a Motorola modem/gateway - 3360 from WalMart. I have the AEBS working in bridge mode connecting my iMac & Printer fine, but my iOS devices won't connect.
While troubleshooting & trying all types of settings, I was able to get EITHER the iMac or the iOS devices connected to internet, but not both at same time.
Then I noticed I am getting "another device is using the same ip address.." message.
I have changed the AEBS ip address & had been able to get either the iMac or iOS devices working depending on which ip address I use.
BUT now, all my iOS devices dont connect to the internet regardless of the ip address of the AEBS.
All my iOS devices see the network, and accept the network password, but they do not connect to internet, circle just keeps spinning...
Any assistance is GREATLY appreciated.
Thanks for any assistance,
DaveIt looks like may have to go back to square one and delete my network & set it up from scratch if I don't figure it out.
If you do go this route, I would like to make a suggestion for your consideration, and that is to assign static IP addresses to devices that are "permanent" on your network or ones you want to make sure can be reachable at all times. These (again) would be servers, routers, wireless access points, network printers/scanners, NAS devices, etc.
I would recommend the following IP addressing scheme as a baseline and you are certainly free to deviate in any way you see fit to meet your networking requirements:
Reduce the number of IP handed out by DHCP. By default, most routers will provide 100-200 private IP addresses within their DHCP leasing scope. The AirPort, by default, assigns 10.0.1.2 thru 10.0.1.200 via DHCP. Your Motorola may assign 192.168.0.2 thru 192.168.0.150. Either way, I would reduce this to no more than fifty (50) total which should provide you with plenty of addresses even if you are hosting gaming convention at your home.
I use the following IP address scheme for the "permanent" network clients:
Network Printers: 10.0.1.200 - 209
NAS Devices: 10.0.1.210 - 219
Wireless Access Points or routers reconfigured as bridges: 10.0.1.220 - 229
Servers: 10.0.1.230 - 239
With the "permanent" devices pre-assigned with static Private IP address that are outside of the DHCP range, you shouldn't ever get an IP address conflict again. -
Another device on the network is using the same IP address
While this question has been asked within the community, I cannot find an answer that solves my problem. This happened about a year ago and was thought to be a modem/router issue. I switched to Airport and all had been fine until a few weeks ago. Now I periodically can't get online from my laptops.
Settings for my macbook at System Preferences ▹ Network ▹ Advanced ▹ TCP/IP are:
Configure IPv4: Using DHCP
IPv4 Address: 192.168.1.84
Subnet Mask: 255.255.255.0
Router: 192.168.1.254
Configure IPv6: Off
We did recently get a new ipad and new wireless printer so one of them may be the issue
Any help would be appreciated.
Thanks!If you are having IP addresses assigned using DHCP and one of the devices is disconnected from the network for a long enough period of time then the router will make that IP address available to another device to use. If the first device then comes back on the network with the same IP address it had before then you'll get the dual IP address situation. This usually doesn't happen since the returning device is SUPPOSED to ask for a new IP address when it re-joins the network. In your case this may not be happening.
What I do is use static IP addresses for all the devices on my home network. In your case I think this will fix your problem.
Set up your Airport to 'reserve' specific IP addresses for the devices in your local network via their MAC addresses.
Open the airport utility, select your router, click EDIT, select NETWORK.
In the area marked DHCP Reservations: click on the + sign
Type a description of the device.
Use the pull-down menu to select "Reserve Address By: MAC address"
enter the MAC address in the appropriate line.
enter in the unique IP address for each device that you want to reserve. Make sure its in the same subnet (ie. 192.168.xx.yy)
click SAVE
Repeat the above for all your devices.
Update your airport settings.
When you're done turn off all the wireless devices for 5 minutes and then reconnect. Each should then reconnect with the same IP address each time. You can still leave the devices themselves set to use DHCP so that when you take them outsider your network, they'll request an IP address from the new network.
I hope this made sense. If not, post back and I'll calrify anything you need. -
Will my new MBP have the same IP address if I use Migration Assistant?
In a couple of weeks I'll have my new MacBook Pro-13". I want to transfer all files from my current Intel MacBook via Migration Assistant. I'll have both Macs running 10.6.3 Snow Leopard or latest OS when I do this.
OK but now I still want to use the old MacBook -but won't the IP Address (looks like this: 192.168.0.###) be the same on both Macs after using Migration Assistant? If so, then how do I avoid that? Do I set-up my NEW MacBook Pro first and then use Migration Assistant? Or ???
Thanks for any advise as I will only have a couple of days to set-up my new MBP as I am giving the old MB to my daughter and then she's leaving to fly home! If no volcano of course!
Thanks,
SteveHi
+"are you saying that when I first start-up the new MBP my home wired and wireless internet setup will assign an IP number to the MBP that will be different from the existing MB?"+
Yes. Most 'ad-hoc' home networks will have 'something' handing out IP addresses. Typically this will be a Router or possibly Router/Modem combination depending which kind of DSL Service you have. In an environment like this the Router/Gateway will be the DHCP Server. If you're not manually assigning IP address this would be the case. No DHCP Server AFAIK hands out the same IP addresses to two or more separate devices connecting to the same network. If you are manually assigning IP Addresses you still would not do this. Even if you did a warning message would appear telling you the IP address was in use. This is typical of the sort of basic networking most home environments have.
+"Further I should then use Migration Assistant but I should NOT ENABLE the option to transfer network settings?"+
As already mentioned whenever I've tried this they never transfer anyway. In which case don't bother selecting the option. If you're using firewire cables you don't have to have them connected to any network at all.
It's always a good idea to turn on anything new and test it. It's not impossible for there to be a hardware problem. It's rare but it does happen.
HTH?
Tony -
How to fix the "Two computers using the same IP address" issue on the airport express
I just bought an airport express and got dsl at my apartment, and I haven't been able to set up the wireless connection. My DSL works just fine but whenever I hook up the AX I get an error message saying that there are two computers using the same IP address on the network, but I only have one computer.
I know this is probably a simple fix, but I've never had this issue when I set up the Extreme at my parents house and I haven't been able to find a thread on this.
As of right now I have it set to Factory settings.
Help please!This modem was designed to connect directly to a computer and you are trying to connect it to a router.
Unfortunately, this is not a simple fix as both the modem and your AirPort Express will need to be configured differently to work together correctly.
Connect the modem directly to your computer.
Open up your browser and type the default IP address for the modem into the address bar. Check your documentation on the modem but it is likely 192.168.1.254
That will bring up the configuration page for the modem.
You may need to enter the modem access code which is on a label on the back or bottom of the device
Look for an Advanced tab, then look for a tab labeled something like PPP Location
Right now, you will see that "PPP is on the modem"
Chance that to "PPP is on the computer or router"
Click to save your new settings and the modem will restart
If you ever need to get the modem back to its original settings, you will need to hold in the reset button on the back of the modem for 5-6 seconds and then enter in the default IP address to be able to access the settings on the modem
Connect the modem to the AirPort Express with an Ethernet cable
Open AirPort Utility on your Mac and click Continue to follow the guided setup to "Create a wireless network"
You may be asked to "switch" networks when you do this. You want to switch
Select the "Connect Using PPPoe" option when it appears
Enter your user name and password with your provider. Leave the Service Name area blank. You want to always stay connected if you see that option
Continue to follow the guided setup and Update to save settings
Pull the power cord from the modem, wait a moment, then restart the modem
Log on to the wireless network that you created during the setup and you should have an Internet connection -
LAN and WAN share the same MAC address -- could this be a security issue?
When I bought the AEBS(n), I was a bit surprised to see only one ethernet MAC address listed (on bottom of unit, or was it in config utility?), in addition to wireless MAC. My main router has two ethernet MACs.
So last nite, I investigated. I confirmed my suspicion that both the WAN port and the LAN ports share the same MAC address! My setup has the AEBS WAN port plugged into my home LAN's main router, and a Linux machine plugged into a LAN port of the AEBS.
View of AEBS WAN side (from main router at 192.168.1.1)
ii# arp
Seconds IP Address MAC Address
734 66.130.224.1 001120A87AF5 -- ISP router
789 192.168.1.21 0016CBC430A6 -- AEBS WAN port
28 192.168.1.33 0010DC47DC53 -- home PC
824 192.168.1.73 00065BB2F295 -- work PC
View of AEBS LAN side (from a Linux box at 10.0.1.41)
root@LKG7CAE25 # cat /proc/net/arp
IP address HW type Flags HW address Mask Device
10.0.1.1 0x1 0x2 00:16:CB:C4:30:A6 * eth0
10.0.1.1 on the LAN side of AEBS and 192.168.1.21 on the WAN side of the AEBS both use the same MAC address, 00:16:CB:C4:30:A6.
I tried to provoke some leakage between the two sides (for example with broadcast packets), but haven't been able to do it so yet. Perhaps the switch in front of the eth MAC has enough smarts to keep the two subnets separate? Still it sort of worries me, if I used the AEBS as my only router, that both WAN and LAN go thru the same ethernet MAC (same h/w). I browsed here but found no discussion on this.
Comments anyone?.... This is why there are separate MAC addresses
for ethernet and wireless, they are physically
different networks. In the case of the WAN/LAN, both
are ethernet-type networks but are physically
distinct (this is the purpose of a router like the
AEBS), so having the same MAC address on both sides
won't cause any sort of collision nor should it be
possible to leak across networks. MAC addresses can't
be used for routing beyond the physical network.
If it is indeed two different NICs sharing a single MAC, then indeed it is not an issue as you would never want to connect these two NICs together. But is it really two NICs?
My worry is that these two subnets are on the same physical network, with some magic going on to keep them separate anyway. Do we have some picture of AEBS internals? Maybe that would answer the question... -
Hello can someone help me I have an iphone 4 and my daughter has an ipod touch we are on the same email address but somehow with in the last 25hrs all of my contacts are gone and only hers on on my phone is there a way for me to get all my contacts back?
If you need assistance with finding any of your restores or attempting to restore from any that happened prior to his incident follow this article
http://support.apple.com/kb/ht1766
IF you do find a backup that has your contacts; I'd /highly/ recommand turning off your wifi network after the restore is finished because if the issue is with your iCloud your contacts may merge back with her's.
With iCloud you DO NOT want to share the account; bad things happen Evil evil thigns...
But in all seriousness; if two devices have the same iCloud; iCloud is told to merge and sync infomation between hte two and can't tell that it doesn't belong to the same person -
My icloud and Apple ID aren't the same email address. My phone wont let me change my icloud email. I don't know the password to my icloud account, and every time I try to email myself the password, it doesn't go through.
Welcome to the Apple Community.
Your Apple ID and iCloud email address don't need to be the same, you can't change an iCloud email address.
Also check your Mail rules and filtering, the verification mail may be going to a junk folder or even being deleted altogether. You may also wish to contact your mail provider to see if their spam filters are removing the email before it gets to you. -
I have a wireless network at home. I run my iphone and ipad on it with no problems. Just purchased a MacBook Pro, and now my wi-fi keeps disconnecting and i get an error message saying another device is using the same IP address. What does all this mean?
Hello AKCamus
To give you some ideas of what to do next, I have provided a few articles that will give some troubleshooting Wi-Fi connections and recommended Wi-Fi settings.
iOS and OS X: Recommended settings for Wi-Fi routers and access points
http://support.apple.com/kb/HT4199
iOS: Troubleshooting Wi-Fi networks and connections
http://support.apple.com/kb/ts1398
Troubleshooting Wi-Fi issues in OS X Lion and Mac OS X v10.6
http://support.apple.com/kb/HT4628
Thanks for using Apple Support Communities.
Regards,
-Norm G. -
I have in the past created an Apple ID for use with the UK itunes store, because I want to read in English. If I sign in it seems that this ID will only allow me to purchase from the UK store. But I live in Belgium, so I can't download from the UK store. So I tried to create an apple ID for the Belgian itunes store. But I want to use the same email address as I used for the first apple ID I made (because I'm fed up of having to remember which email address I used for which account). When I tried this, I just get a message saying that the email address is already in use for another account (which I know, because it's me who made that account). Does anyone have a workaround for this?
cheers
AndrewI have tried again using the same password. and it still doesn't work.
I'm presuming you went ahead and set up a new Apple ID, yes? Using the same password in more than one Apple ID has worked for me in the past, but I haven't tried it in a while so the tightened security may have changed that. You could use the same password but add "-UK" and "-BE", or something like that, to make it easier to remember.
I understand what you mean about losing the ability to deal with UK purchased stuff, but this is becoming so inconvenient that I do want to delete that UK apple ID account. I have looked everywhere I can think of on the apple website (apple id, itunes, support etc) and I can't find a link/eplanation/contact point that deals with deleting apple ID and itune store accounts. Surely this must be possible?
It's possible, but Apple is very reluctant to do it, and it's not something a user can do on their own. It would be better to just stop using the UK account rather than trying to get it deleted. Just remove your payment information and there should be little reason to have the account deleted. If you really want to try, though, you'll need to send a message to iTunes support specifying that you want the account cancelled.
On a completely different matter, I have bought my son an ipod touch. But since he is younger than 13 years old, how does one go about using the itunes store to get music onto his ipod touch?
You would need to buy tracks for him; he's too young to have his own iTunes Store account. To control what gets synched to his iPod, this should help:
http://support.apple.com/kb/HT1495
Regards. -
My husband and I share an Itunes account so use the same email address and password. Our iphones are now connected and we get each other's messages and share each other's contacts. How can we stop this happening?
A couple of different approached:
Create a second AppleID for one of you that includes the email address and phone number you wish to use for messaging, but do not apply it to the iTunes and app store (just keep the current one). My wife and I do this and it works quite well. Also allows for easier syncing of Contacts , notes etc. using icloud if you wish to do that.
Add additional emails/phone numbers to the existing account and change the Send/Receive settings for Messages. this will not fix the Contcts isues for you however.
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