From e2e86be0b8d749e0965095a31c2766e1706c1973 Mon Sep 17 00:00:00 2001
From: Christian Poessinger <christian@poessinger.com>
Date: Fri, 6 Mar 2020 19:04:21 +0100
Subject: vrf: add interface documentation

---
 docs/vrf.rst | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/docs/vrf.rst b/docs/vrf.rst
index 3eb87e8a..fd219d41 100644
--- a/docs/vrf.rst
+++ b/docs/vrf.rst
@@ -42,6 +42,17 @@ then enslaved to a VRF device.
 Interfaces
 ----------
 
+When VRFs are used it is not only mandatory to create a VRF but also the VRF
+itself needs to be assigned to an interface.
+
+.. cfgcmd:: set interfaces dummy <interface> vrf <name>
+
+   Assign dummy interface identified by `<interface>` to VRF named `<name>`.
+
+   .. warning:: VRFs are still experimental - thus they are only available to
+      certain interfaces types right now (``dummy``) to test out the
+      functionality.
+
 Routing
 -------
 
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