# FAQ - Kerlink Gateway

**URL:** <https://www.thethingsnetwork.org/forum/t/faq-kerlink-gateway/28>\
**Category:** Kerlink Gateways\
**Created:** [September 8, 2015, 10:51am UTC](https://www.thethingsnetwork.org/forum/t/faq-kerlink-gateway/28 "2015-09-08T10:51:50Z")\
**Posts on this page:** 1\
**Showing post:** 78

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**Author:** ![Chris.K](https://www.thethingsnetwork.org/forum/letter_avatar_proxy/v4/letter/c/4491bb/32.png) [@Chris.K](https://www.thethingsnetwork.org/forum/u/Chris.K)\
**Post date:** [December 17, 2015, 12:31pm UTC](https://www.thethingsnetwork.org/forum/t/faq-kerlink-gateway/28/78 "2015-12-17T12:31:30Z")

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That I have, I have to start gprs manually and set ppp0 as the default interface manually. After doing that, the 3G backhaul works perfectly. Why gprs isn’t starting and being set as the default root automatically, I do not know.

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