diff --git a/modules/ionos-nlb-for-servicecenter/data.tf b/modules/ionos-nlb-for-servicecenter/data.tf
index db53c5b..d4870c0 100644
--- a/modules/ionos-nlb-for-servicecenter/data.tf
+++ b/modules/ionos-nlb-for-servicecenter/data.tf
@@ -1,4 +1,4 @@
 data "ionoscloud_private_crossconnect" "crossconnect" {
-  count = length(var.crossconnects)
-  name  = var.crossconnects[count.index]
-}
+  for_each = var.crossconnects_nlb
+  name  = each.key
+}
\ No newline at end of file
diff --git a/modules/ionos-nlb-for-servicecenter/main.tf b/modules/ionos-nlb-for-servicecenter/main.tf
index 8552521..22afcfc 100644
--- a/modules/ionos-nlb-for-servicecenter/main.tf
+++ b/modules/ionos-nlb-for-servicecenter/main.tf
@@ -6,33 +6,33 @@ module "conventions_coordinates" {
 }
 
 resource "ionoscloud_lan" "crossconnect_lan" {
-  count         = length(var.crossconnects)
+  for_each =  var.crossconnects_nlb
   datacenter_id = var.datacenter_id
-  name          = "${data.ionoscloud_private_crossconnect.crossconnect[count.index].name}-lan"
+  name          = "${data.ionoscloud_private_crossconnect.crossconnect[each.key].name}-lan"
   public        = false
-  pcc           = data.ionoscloud_private_crossconnect.crossconnect[count.index].id
+  pcc           = data.ionoscloud_private_crossconnect.crossconnect[each.key].id
   depends_on = [
     data.ionoscloud_private_crossconnect.crossconnect
   ]
 }
 
 resource "ionoscloud_networkloadbalancer" "nlb" {
-  count         = length(var.crossconnects)
+  for_each      =  var.crossconnects_nlb
   datacenter_id = var.datacenter_id
-  name          = "${module.conventions_coordinates.global_identifier}-nlb-${count.index}"
-  listener_lan  = ionoscloud_lan.crossconnect_lan[count.index].id
-  ips           = [var.listener_ips[count.index]]
+  name          = "${each.key}-nlb"
+  listener_lan  = ionoscloud_lan.crossconnect_lan[each.key].id
+  ips           = [each.value]
   target_lan    = var.nlb_target_lan_id
 }
 
 resource "ionoscloud_networkloadbalancer_forwardingrule" "forward_k8" {
-  count                  = length(var.crossconnects)
+  for_each               =  var.crossconnects_nlb
   datacenter_id          = var.datacenter_id
-  networkloadbalancer_id = ionoscloud_networkloadbalancer.nlb[count.index].id
+  networkloadbalancer_id = ionoscloud_networkloadbalancer.nlb[each.key].id
   name                   = "forward-logs-and-metrics"
   algorithm              = "ROUND_ROBIN"
   protocol               = "TCP"
-  listener_ip            = var.listener_ips[count.index]
+  listener_ip            = each.value
   listener_port          = var.nlb_listener_port
   dynamic "targets" {
     for_each = var.node_nlb_lan_ips
diff --git a/modules/ionos-nlb-for-servicecenter/variables.tf b/modules/ionos-nlb-for-servicecenter/variables.tf
index 7a7c6ee..61fa892 100644
--- a/modules/ionos-nlb-for-servicecenter/variables.tf
+++ b/modules/ionos-nlb-for-servicecenter/variables.tf
@@ -53,14 +53,8 @@ variable "nlb_target_health_check_timeout" {
   default     = 6000
 }
 
-variable "listener_ips" {
-  type        = list(string)
-  description = "List of listener ips which should be assigned to nlb listener ip list"
+variable "crossconnects_nlb" {
+   type        = map(string)
+   description = "A map of all crossconnects containing (multiple) <crossconnectsname>: <nlb listener ip>"
 }
 
-variable "crossconnects" {
-  type        = list(string)
-  description = "List of crossconnects which should connect to backend haproxy"
-}
-
-