diff --git a/ggsn-test/osmo-ggsn.cfg b/ggsn-test/osmo-ggsn.cfg
index 5f03bc3b..7fe5cbc1 100644
--- a/ggsn-test/osmo-ggsn.cfg
+++ b/ggsn-test/osmo-ggsn.cfg
@@ -81,6 +81,7 @@ ggsn ggsn0
   type-support v6
   ipv6 prefix dynamic 2001:780:44:2000:0:0:0:0/56
   ipv6 dns 0 2001:4860:4860::8888
+  ipv6 dns 1 2001:4860:4860::8844
   ipv6 ifconfig 2001:780:44:2000:0:0:0:0/56
   no shutdown
  apn inet46