dnsdist: Document that IPv6 link-local addresses require the interface

diff --git a/pdns/dnsdistdist/docs/reference/config.rst b/pdns/dnsdistdist/docs/reference/config.rst
index dbf9cc70327d7f1dc18fb700e62bfe13fcec4b34..a9d2c270712054685f188311a2d44c5b2a7d73ec 100644 (file)
--- a/pdns/dnsdistdist/docs/reference/config.rst
+++ b/pdns/dnsdistdist/docs/reference/config.rst
@@ -83,7 +83,7 @@ Listen Sockets
   .. versionchanged:: 1.6.0
     Added ``maxInFlight`` and ``maxConcurrentTCPConnections`` parameters.
 
-  Add to the list of listen addresses.
+  Add to the list of listen addresses. Note that for IPv6 link-local addresses, it might be necessary to specify the interface to use: ``fe80::1%eth0``. On recent Linux versions specifying the interface via the ``interface`` parameter should work as well.
 
   :param str address: The IP Address with an optional port to listen on.
                       The default port is 53.