Network - Wireless & Wired Connections

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ConradC
Level 7

Roku will pick up IP but gateway remains at 0.0.0.0

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An extremely strange issue I've never seen before. I have 3 Roku Ultras (4660X). Two are hardwired and one is on wireless. All three seem to pick up an IP address via dhcp just fine but their gateways remain at 0.0.0.0. I can see the gateway on the hardwired ones and I'm assuming the wifi has 0.0.0.0 as well. I can ping them locally. No issues with any other devices on the network, they all can access the internet just fine (with gateway populated). I've reset the network settings on the Roku without success. Issue seems to be limited to only the Rokus. I've also rebooted a few times. Before I go and try a factory reset, any idea what the issue could be?

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ConradC
Level 7

Re: Roku will pick up IP but gateway remains at 0.0.0.0

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I was able to resolve the issue myself.

TLDR: DHCP policy with multiple gateways.

While I was waiting for Roku support, I decided to setup a SPAN port on the Roku. I sniffed out the DHCP request and found out multiple gateways were leased out. This was an old policy that was suppose to be deprecated, but was still active. The policy has been there for a few years. Why it only affected the Roku(s) recently is what puzzles me. They were working fine for years. I removed the policy and bounced the Roku(s). They were able to set the correct gateway properly.

I wish there was a way to set static IP info directly on the Roku themselves. Not sure why it's not an advance option.

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AvsGunnar
Level 12

Re: Roku will pick up IP but gateway remains at 0.0.0.0

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@ConradC 

Came across your posting and wondering if still experiencing problems or if the factory reset fixed your issues.

Normally, the 0.0.0.0 gateway issue is more a switch-layer problem in networks (at router or access points/bridged routers,etc).  (default gateway vs. ip-route)

Older Linksys routers also had this issue during dhcp assignment.  If you are still having issues, post back with your router model number and your network setup (single router/modem, access points, etc) and the Roku OS you are using 9.4 or 10. 

If you know how to configure your network and manage your router, and the Roku Ultras worked previously, I would simply factory reset the router.  (Normally enough to fix/eliminate corrupted router settings as problem... I additionally clear the NVRAM after reset but not required.)

There are some Roku menus you can access to see if your wireless Ultras are experiencing similar issues with gateway 0.0.0.0 like your wired, so post back if interested and still troubleshooting.

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RokuDanny-R
Roku Employee
Roku Employee

Re: Roku will pick up IP but gateway remains at 0.0.0.0

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@ConradC

Thanks for the post.

Can you please provide us the following information:
-Roku device model
-serial number
-device ID
-software OS/version
(these can all be found in Settings > System > About)
-when did you start to see this issue occur

With more information we will be able to investigate the issue further.


Thanks,
Danny

Danny R.
Roku Forum Moderator
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ConradC
Level 7

Re: Roku will pick up IP but gateway remains at 0.0.0.0

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I was able to resolve the issue myself.

TLDR: DHCP policy with multiple gateways.

While I was waiting for Roku support, I decided to setup a SPAN port on the Roku. I sniffed out the DHCP request and found out multiple gateways were leased out. This was an old policy that was suppose to be deprecated, but was still active. The policy has been there for a few years. Why it only affected the Roku(s) recently is what puzzles me. They were working fine for years. I removed the policy and bounced the Roku(s). They were able to set the correct gateway properly.

I wish there was a way to set static IP info directly on the Roku themselves. Not sure why it's not an advance option.

View solution in original post

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