> For the complete documentation index, see [llms.txt](https://docs.piscesiot.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.piscesiot.com/helium-hotspot-p100/f-and-q/hardware-question/unable-to-connect-with-eth0.md).

# Unable to connect with Eth0

### Unable to connect with Eth0

**Reasons:**

* The Poe module P100 support is limit to 100Mbps

**Solution:**

* Please check the Poe switch/injector to see if it is support 100Mbps
* Find the device in your router to make sure it got DHCP success

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