Add comment about ips changes in deployment pipline
Related-Prod: https://mirantis.jira.com/browse/PRODX-9337
Change-Id: I115e3502f591139525d117dcda97f5f45415847b
diff --git a/de/heat-templates/top.yaml b/de/heat-templates/top.yaml
index 9127301..4f555c8 100644
--- a/de/heat-templates/top.yaml
+++ b/de/heat-templates/top.yaml
@@ -153,6 +153,13 @@
tun_network_cidr:
type: string
default: '10.15.0.0/24'
+ # When tun interface is added to ovs bridge inside vm,
+ # and arp responder is enabled on undercloud,
+ # ip adresses from tun network pool can't be used for
+ # configuring vxlan tunnels through ovs bridge (https://mirantis.jira.com/browse/PRODX-9337).
+ # Ip addresses unknown for arp responder should be used.
+ # In deployment pipeline addresses assigned by openstack to advanced compute nodes
+ # are changed inside instance to 10.15.0.1XX for this case.
tun_network_pool_start:
type: string
default: '10.15.0.2'