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Author Topic: Nexus 7 vs Desktop PC get same IP from DHCP  (Read 10230 times)

chuim

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Nexus 7 vs Desktop PC get same IP from DHCP
« on: December 03, 2013, 09:20:42 PM »

Hello again.

Among several other devices, I have a Nexus 7 (2013 version) and a Windows 7 64 bits desktop PC connected to the wireless network of my DIR-860L. Using the address reservation table, I assigned the PC's mac address to a specific IP address and it is correctly assigned to it when connected. The problem is that when the N7 connects to either the 2.4 or 5 GHz networks it gets the exact same address!

I reviewed all configurations from both the N7 and the router and found no clue on what could be causing it. It's also hard to tell for sure who's to blame, but I'm pending towards the router because I am able to connect the N7 to several other wireless networks without similar issues.

I was able to "solve" (more of a "good bypass") the problem by also a different IP using the N7 MAC address. After doing that, it was correctly assigned to that one. So I'm posting this issue here both to maybe try and find an actual solution and to maybe help others in a similar situation.

Information:
- I'm located in Georgia, USA
- Hardware version is A1, firmware is 1.04
- A factory reset was performed after I upgraded to this firmware
- Even though I don't think it matters, my ISP is AT&T via DSL using a Pace 3801HGV
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FurryNutz

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Re: Nexus 7 vs Desktop PC get same IP from DHCP
« Reply #1 on: December 04, 2013, 08:33:23 AM »

Did you clear any network settings from the N7 or factory reset the N7?

One way to resolve this is to assign a different address on the reservation if you can get the router to display it and reserve it which is a valid work around. I would presume that something one the N7 is keeping something that it shouldn't be keeping and holding on to an IP address.
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Cable: 1Gb/50Mb>NetGear CM1200>DIR-882>HP 24pt Gb Switch. COVR-1202/2202/3902,DIR-2660/80,3xDGL-4500s,DIR-LX1870,857,835,827,815,890L,880L,868L,836L,810L,685,657,3x655s,645,628,601,DNR-202L,DNS-345,DCS-933L,936L,960L and 8000LH.

FurryNutz

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Re: Nexus 7 vs Desktop PC get same IP from DHCP
« Reply #2 on: December 06, 2013, 01:47:09 PM »

Any status on this?  ???
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Cable: 1Gb/50Mb>NetGear CM1200>DIR-882>HP 24pt Gb Switch. COVR-1202/2202/3902,DIR-2660/80,3xDGL-4500s,DIR-LX1870,857,835,827,815,890L,880L,868L,836L,810L,685,657,3x655s,645,628,601,DNR-202L,DNS-345,DCS-933L,936L,960L and 8000LH.

chuim

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Re: Nexus 7 vs Desktop PC get same IP from DHCP
« Reply #3 on: December 09, 2013, 11:32:19 PM »

Sorry for the delay. I did clear the network settings several times. Will not factory reset it because it's too much of a hassle.

Reserving a specific IP address for the N7 was precisely what solved the conflict as I mentioned before. And just as you said, it's a work around that worked.

It doesn't seem to me the N7 is keeping anything though:
* I did reset its network cofigurations and the restarted the system; didn't work
* I do also have a 2nd Nexus 7 that apparently works correctly and gets an IP that is not already in use

Thanks!
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FurryNutz

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Re: Nexus 7 vs Desktop PC get same IP from DHCP (RESOLVED)
« Reply #4 on: December 10, 2013, 07:07:43 AM »

Glad you got it fixed. Reserving IPs is a preferred way to ensure conflicts are minimized.

Enjoy.  ;)
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Cable: 1Gb/50Mb>NetGear CM1200>DIR-882>HP 24pt Gb Switch. COVR-1202/2202/3902,DIR-2660/80,3xDGL-4500s,DIR-LX1870,857,835,827,815,890L,880L,868L,836L,810L,685,657,3x655s,645,628,601,DNR-202L,DNS-345,DCS-933L,936L,960L and 8000LH.