# Use IPv6 ULA addresses for Pi-hole

**URL:** https://discourse.pi-hole.net/t/use-ipv6-ula-addresses-for-pi-hole/2127
**Category:** FAQs
**Created:** [March 10, 2017, 3:49pm UTC](https://discourse.pi-hole.net/t/use-ipv6-ula-addresses-for-pi-hole/2127 "2017-03-10T15:49:22Z")
**Posts on this page:** 1
**Showing post:** 12

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### Author: ![DanSchaper](https://discourse-cdn.pi-hole.net/user_avatar/discourse.pi-hole.net/danschaper/32/91_2.png) [@DanSchaper](https://discourse.pi-hole.net/u/DanSchaper)
#### Post date: [July 4, 2018, 11:57pm UTC](https://discourse.pi-hole.net/t/use-ipv6-ula-addresses-for-pi-hole/2127/12 "2018-07-04T23:57:15Z")

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If you have slow page loads, take a look at our guide for IPTables rules and see if those help. I have an ER-X SFP and just have a few rules to handle things. I'm not sure offhand how to set up ULA but I do know it's possible, but done via command line when setting up the DHCP server portion.

> [@Why Some Pages Load Slow When Using Pi-hole And How To Fix It (for versions \< v4.0)](https://discourse.pi-hole.net/t/why-some-pages-load-slow-when-using-pi-hole-and-how-to-fix-it/6945):
>
> Originally published at: [https://pi-hole.net/2018/02/02/why-some-pages-load-slow-when-using-pi-hole-and-how-to-fix-it/](https://pi-hole.net/2018/02/02/why-some-pages-load-slow-when-using-pi-hole-and-how-to-fix-it/)Update: 2018-08-06 As of v4.0, this should no longer be a problem unless you choose to deviate from the new [default blocking mode](https://docs.pi-hole.net/ftldns/blockingmode/#pi-holes-unspecified-ip-blocking-default) and return to the [IP-based mode](https://docs.pi-hole.net/ftldns/blockingmode/#pi-holes-full-ip-blocking). Update: 2018-05-26 This problem is far less likely to happen when using NXDOMAIN or NULL blocking: [https://pi-hole.net/2018/05/18/nxdomain-and-null-blocking-with-ftldns/](https://pi-hole.net/2018/05/18/nxdomain-and-null-blocking-with-ftldns/) Pi-hole can make your network run f…

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