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Windows 7: Yet another 'DNS not responding' thread


18 Sep 2012   #1

Windows 7 Home
 
 
Yet another 'DNS not responding' thread

Hello,

I recently got a new cable modem when my Comcast cable service was upgraded to HD, and ever since, I haven't been able to get my Dynex WG-RTR wireless router to connect to the internet.

The way I had it set up (and it worked fine until today when the modem was replaced) was as follows:

[Cable Modem]--------[Switch]------[Wireless Router]

IE: I had my wireless router plugged into the switch along with my desktop and Xbox 360.

But now, it doesn't work. I've tried resetting the modem and router, my PC, and the switch as well. It seems I can only get the router to work if I take everything out of the switch, plug the router directly into the cable modem, and plug the other devices into the router. I'm at a loss what to do now.
But here is my ipconfig info.


Quote:
Windows IP Configuration

Host Name . . . . . . . . . . . . : J-Lappy
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
DNS Suffix Search List. . . . . . : Dynex

Wireless LAN adapter Wireless Network Connection:

Connection-specific DNS Suffix . : Dynex
Description . . . . . . . . . . . : Broadcom 802.11n Network Adapter
Physical Address. . . . . . . . . : 7C-E9-D3-5E-55-B0
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::b912:1ae7:af3a:bf9b%13(Preferred)
IPv4 Address. . . . . . . . . . . : 192.168.2.2(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : Tuesday, September 18, 2012 4:31:53 AM
Lease Expires . . . . . . . . . . : Friday, October 25, 2148 11:12:12 AM
Default Gateway . . . . . . . . . : 192.168.2.1
DHCP Server . . . . . . . . . . . : 192.168.2.1
DHCPv6 IAID . . . . . . . . . . . : 326953427
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-16-D5-7F-B3-F0-DE-F1-CD-5F-C7
DNS Servers . . . . . . . . . . . : 192.168.2.1
208.67.222.222
208.67.220.220
NetBIOS over Tcpip. . . . . . . . : Enabled

Tunnel adapter isatap.Dynex:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

Tunnel adapter Local Area Connection* 12:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft 6to4 Adapter
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

Tunnel adapter Teredo Tunneling Pseudo-Interface:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
Thanks in advance for any help.

My System SpecsSystem Spec
.

18 Sep 2012   #2

Windows 7 Ult, Windows 8.1 Pro,
 
 

Your set up was incorrect and as you found out it works when you put the switch AFTER the router which is how it should be.

It goes cable modem>router> switch, you plug the cable modem's WAN port into the WAN port on the router then plug the switch into one of the LAN ports on the router.
My System SpecsSystem Spec
18 Sep 2012   #3

Windows 7 Home
 
 

Well, it had worked just fine up till the cable modem got replaced.
My System SpecsSystem Spec
.


19 Sep 2012   #4

Windows 7 Ult, Windows 8.1 Pro,
 
 

Quote   Quote: Originally Posted by Entity79 View Post
Well, it had worked just fine up till the cable modem got replaced.
It might have worked with one modem but the way you had that switch isn't right and will cause problems, the switch always goes in after the router. You won't have any problems when you connect everything as I described earlier.
My System SpecsSystem Spec
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 Yet another 'DNS not responding' thread




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