diff --git a/ttcn3-ggsn-test/osmo-ggsn.cfg b/ttcn3-ggsn-test/osmo-ggsn.cfg
index 696c3f7c..097c9684 100644
--- a/ttcn3-ggsn-test/osmo-ggsn.cfg
+++ b/ttcn3-ggsn-test/osmo-ggsn.cfg
@@ -89,11 +89,12 @@ ggsn ggsn0
   tun-device tun46
   type-support v4v6
   ip prefix dynamic 176.16.46.0/24
-  ip dns 0 192.168.100.1
+  ip dns 0 172.18.3.201
   ip dns 1 8.8.8.8
   ip ifconfig 176.16.46.0/24
   ipv6 prefix dynamic 2001:780:44:2100:0:0:0:0/56
   ipv6 dns 0 2001:4860:4860::8888
+  ipv6 dns 1 2001:4860:4860::8844
   ipv6 ifconfig 2001:780:44:2100:0:0:0:0/56
   no shutdown
  default-apn internet