Add IP forwarding requirement to documentation

I propose to add the information, that IP forwarding needs to be enabled in order to use a node as an exit-node.
juanfont · May 6, 2023 · 00c5146 · 00c5146
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commit 00c5146
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/docs/exit-node.md b/docs/exit-node.md
@@ -14,6 +14,8 @@ If the node is already registered, it can advertise exit capabilities like this:
 $ sudo tailscale set --advertise-exit-node
 ```
 
+To use a node as an exit node, IP forwarding must be enabled on the node. Check the official [Tailscale documentation](https://tailscale.com/kb/1019/subnets/?tab=linux#enable-ip-forwarding) for how to enable IP fowarding.
+
 ## On the control server
 
 ```console