# Pihole Not Working on Other Devices using a ZyXEL router

**URL:** <https://discourse.pi-hole.net/t/pihole-not-working-on-other-devices-using-a-zyxel-router/3608>\
**Category:** Help\
**Created:** [June 9, 2017, 10:51pm UTC](https://discourse.pi-hole.net/t/pihole-not-working-on-other-devices-using-a-zyxel-router/3608 "2017-06-09T22:51:22Z")\
**Posts on this page:** 1\
**Showing post:** 29

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**Author:** ![deHakkelaar](https://discourse-cdn.pi-hole.net/user_avatar/discourse.pi-hole.net/dehakkelaar/32/674_2.png) [@deHakkelaar](https://discourse.pi-hole.net/u/deHakkelaar)\
**Post date:** [June 10, 2017, 4:32am UTC](https://discourse.pi-hole.net/t/pihole-not-working-on-other-devices-using-a-zyxel-router/3608/29 "2017-06-10T04:32:24Z")

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I cant see it because you cut off the top from the screenshot but you need to enable the DHCP server on the admin page:

> [@How do I use Pi-hole's built in DHCP server (and why would I want to)?](https://discourse.pi-hole.net/t/how-do-i-use-pi-holes-built-in-dhcp-server-and-why-would-i-want-to/3026?source_topic_id=3608):
>
> Using Your Existing Router For Network-wide Ad Blocking You might not need to use Pi-hole's DHCP server: In many home environments, your router also functions as your DHCP server. In this case, you can often [set Pi-hole to be the DNS server for your network clients in the router's DHCP (or LAN) settings page](https://discourse.pi-hole.net/t/how-do-i-configure-my-devices-to-use-pi-hole-as-their-dns-server/245), which allows all of your network clients to block ads simply by connecting to the network. Setting it up this way is also what makes Pi-hole very powerful for network-wide ad blocking. W…

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_[View the full topic](https://discourse.pi-hole.net/t/pihole-not-working-on-other-devices-using-a-zyxel-router/3608)._