From b2084a9c599d91fa1460116ef0c8d509d3353103 Mon Sep 17 00:00:00 2001 From: Renato Riccieri Santos Zannon Date: Thu, 30 May 2013 01:56:08 -0300 Subject: [PATCH] Add IP forwarding config to archlinux guide I had this small issue when following this guide on my Arch box, and I don't think it is specific to any configuration I have. --- docs/sources/installation/archlinux.rst | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/docs/sources/installation/archlinux.rst b/docs/sources/installation/archlinux.rst index 9e3766eb2..722c15019 100644 --- a/docs/sources/installation/archlinux.rst +++ b/docs/sources/installation/archlinux.rst @@ -67,3 +67,21 @@ To start on system boot: :: sudo systemctl enable docker + +Network Configuration +--------------------- + +IPv4 packet forwarding is disabled by default on Arch, so internet access from inside +the container may not work. + +To enable the forwarding, run as root on the host system: + +:: + + sysctl net.ipv4.ip_forward=1 + +And, to make it persistent across reboots, enable it on the host's **/etc/sysctl.conf**: + +:: + + net.ipv4.ip_forward=1