Add external interface on proxy node

Modified labs:
- cookied-cicd-pike-ovs-sl
- cookied-cicd-pike-dvr-sl
- context-pike-ovs-dpdk

Change-Id: I2854c96dab3a6a95d4f20d9a5577549363c55495
Related-Bug: PROD-22111
diff --git a/tcp_tests/templates/cookied-cicd-pike-dvr-sl/cookiecutter-context-pike-dvr-sl.yaml b/tcp_tests/templates/cookied-cicd-pike-dvr-sl/cookiecutter-context-pike-dvr-sl.yaml
index 298fd81..b0c69e8 100644
--- a/tcp_tests/templates/cookied-cicd-pike-dvr-sl/cookiecutter-context-pike-dvr-sl.yaml
+++ b/tcp_tests/templates/cookied-cicd-pike-dvr-sl/cookiecutter-context-pike-dvr-sl.yaml
@@ -142,7 +142,8 @@
   openstack_nova_compute_nfv_req_enabled: 'False'
   openstack_ovs_dvr_enabled: 'True'
   openstack_ovs_encapsulation_type: vxlan
-  openstack_proxy_address: 10.167.4.80
+  openstack_proxy_address: 172.17.16.80  # external network endpoint
+  openstack_proxy_vip_interface: ens5
   openstack_proxy_hostname: prx
   openstack_proxy_node01_address: 10.167.4.121
   openstack_proxy_node01_hostname: prx01