"located on ip network" is not getting router as gateway - dropping connection

Question

I have a new Arris modem from Brighthouse cable. Also have JGS524Ev2 and GS108E. Both of the netgear devices are on the newest firmware and set to DHCP. Oddest thing is when looking at them through Config utility it shows one of my PC's as the local gateway in the "located on IP network". This used to show the gateway before I had issues and had to sent the 24 port back. Now it will not let me assign a static address and any machine I hook it up to, it takes on the IP of the machine as the gateway.

I have reset everything. Getting really frustrated after spending money on new switches and they do not really work. There have been no changes besides the new modem. My other switches work fine.

Other odd thing is when I turn off the machine that is lending the IP, it shuts down the connection to anything else on the switch. I have everything in the house as DHCP now and only one router and one wireless access point.

Any ideas?

JohnRo · Answer

Hello JNolan,&nbsp;

&nbsp;

Welcome to the community!&nbsp;

&nbsp;

I have some questions before I can give you an advice. How do have the devices connected? Do you have a diagram of your network?&nbsp;

&nbsp;

Looking forward to your response.&nbsp;

&nbsp;

Thanks,

JNolan · Answer

Thanks for the reply! Seems the issue I am having after some more troubleshooting is when I power off my PC with the prosafe software, it kills my entire network.

Here is the order of network.

Modem --> Path 1: Switch (Netgear with issue) Right now 2 devices attached. This PC and Smart TV.

Modem --> Path 2: Switch (unmanaged) to other various devices around the house and 1 PC.

Everything is set to DHCP and then I reserve IP and usual port forward. No repeats on any devices or ports. Have reset modem/router. Seems whenever I shut this PC down, network goes down with it. Never had this issue before this new Netgear device, which is also a replacement.

If I use my old Dlink DGS-1224T I have zero issues. Was buying these to kind of replace some of the older hardware. Couple months old now so I can't get my money back.

Any thoughts?

Also, below is my ipconfig /all

Windows IP Configuration

Host Name . . . . . . . . . . . . : Z400i7
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No

Ethernet adapter Ethernet 3:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Broadcom NetXtreme Gigabit Ethernet
Physical Address. . . . . . . . . : 00-10-18-11-C1-93
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
IPv6 Address. . . . . . . . . . . : ::e986:552c:c8d4:d61f(Preferred)
Temporary IPv6 Address. . . . . . : ::243a:79f2:4b77:5d5e(Preferred)
Link-local IPv6 Address . . . . . : fe80::e986:552c:c8d4:d61f%11(Preferred)
IPv4 Address. . . . . . . . . . . : 192.168.0.3(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : Saturday, 16 July, 2016 16:23:41
Lease Expires . . . . . . . . . . : Saturday, 16 July, 2016 17:23:42
Default Gateway . . . . . . . . . : 192.168.0.1
DHCP Server . . . . . . . . . . . : 192.168.0.1
DHCPv6 IAID . . . . . . . . . . . : 184553496
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-1B-7E-9D-78-3C-D9-2B-73-CA-DB
DNS Servers . . . . . . . . . . . : 75.114.81.1
75.114.81.2
NetBIOS over Tcpip. . . . . . . . : Enabled

Tunnel adapter Local Area Connection* 5:

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
IPv6 Address. . . . . . . . . . . : 2001:0:9d38:6ab8:3c3f:2263:3f57:fffc(Preferred)
Link-local IPv6 Address . . . . . : fe80::3c3f:2263:3f57:fffc%13(Preferred)
Default Gateway . . . . . . . . . :
DHCPv6 IAID . . . . . . . . . . . : 301989888
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-1B-7E-9D-78-3C-D9-2B-73-CA-DB
NetBIOS over Tcpip. . . . . . . . : Disabled

Tunnel adapter isatap.{88CC3F81-3559-496A-9DCC-58D3278CA1B7}:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter #4
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

JohnRo · Answer

Hi JNolan,&nbsp;

&nbsp;

I don't see a router on your network order. I believe that you are aware that &nbsp;the JGS524Ev2 and&nbsp;GS108E are not DHCP servers. Usually, an arris modem only gives you a single IP address. So this brings me to another question, which device gives out the IP addresses? Where is your DHCP server?&nbsp;

&nbsp;

Thanks,

JNolan · Answer

Morning,The Arris is a modem / router and is set up as such. Like I said, all other devices work as designed. Only issue is when I use the NetGear routers. It also seems to be more frequent after the last firmware update as it did not occur at all with the GS108e until the firmware update was done.&nbsp;&nbsp;Right now all is running perfectly. Last test I tried was Router to Netgear to PC I am on. Also had my smart TV on watching Netflix. All runs perfectly until I turn my PC off. Once I do that, the TV loses internet. Thought it might have been a setting on the nic. Uninstalled the NIC and put a new PCI NIC in for testing with the same issue. Also put a laptop in place of the PC and same issue.&nbsp;Also had assigned IP's to every device by MAC address on the Arris. All IP's were noted and correct. Then ran the same tests with everything getting IP DHCP and same issue. This is definitely something I have not come across before.&nbsp;Thanks for the help!!

JohnRo · Answer

Hi JNolan,&nbsp;

&nbsp;

Good to know that you have it working. The PC issue is kind of weird&nbsp;, I have not seen such behavior. As long as the switches are behind the router or the DHCP server, IP addressing should be good.&nbsp;

&nbsp;

Let us know if you have more questions, otherwise please mark the post that resolved the issue as "Mark as solution".&nbsp;

&nbsp;

Thanks,&nbsp;

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"located on ip network" is not getting router as gateway - dropping connection

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