diff --git a/scripts/shared/lib/clusters_kind b/scripts/shared/lib/clusters_kind
index fa9b1509e..b21e06e3e 100755
--- a/scripts/shared/lib/clusters_kind
+++ b/scripts/shared/lib/clusters_kind
@@ -35,12 +35,20 @@ function generate_cluster_yaml() {
     local nodes
     for node in ${cluster_nodes[${cluster}]}; do nodes="${nodes}"$'\n'"- role: $node"; done
 
+    local config_file
+    config_file="${RESOURCES_DIR}/${cluster}-config.yaml"
+
     if [[ "$DUAL_STACK" ]]; then
         service_cidr_ipv6="${service_IPv6_CIDRs[${cluster}]}"
         pod_cidr_ipv6="${cluster_IPv6_CIDRs[${cluster}]}"
-        render_template "${RESOURCES_DIR}/kind-cluster-dual-stack-config.yaml" > "${RESOURCES_DIR}/${cluster}-config.yaml"
+        render_template "${RESOURCES_DIR}/kind-cluster-dual-stack-config.yaml" > "$config_file"
     else
-        render_template "${RESOURCES_DIR}/kind-cluster-config.yaml" > "${RESOURCES_DIR}/${cluster}-config.yaml"
+        render_template "${RESOURCES_DIR}/kind-cluster-config.yaml" > "$config_file"
+    fi
+
+    if [[ -n "${cluster_custom_config[$cluster]}" ]]; then
+        # shellcheck disable=SC2016 # We intentionally don't expand the argument to eval-all as it's using yq syntax, not sh
+        echo "${cluster_custom_config[$cluster]}" | yq -i eval-all '. as $item ireduce ({}; . * $item )' "$config_file" -
     fi
 }
 
diff --git a/scripts/shared/lib/utils b/scripts/shared/lib/utils
index be9ccd369..8e067cb67 100644
--- a/scripts/shared/lib/utils
+++ b/scripts/shared/lib/utils
@@ -220,7 +220,7 @@ function load_settings() {
     local DEBUG_PRINT=false
     expect_env SETTINGS "Deployment settings file"
     declare -ga clusters
-    declare -gA cluster_cni cluster_nodes cluster_subm cluster_gateways
+    declare -gA cluster_cni cluster_nodes cluster_subm cluster_gateways cluster_custom_config
 
     local cluster_count
     cluster_count=$(_yq ".cluster-count")
@@ -242,6 +242,7 @@ function load_settings() {
         cluster_subm["${cluster}"]=$(_yq ".clusters.${cluster}.submariner")
         cluster_subm["${cluster}"]=$(_yq ".submariner")
         cluster_gateways["${cluster}"]=$(_yq ".clusters.${cluster}.gateways // .gateways")
+        cluster_custom_config["${cluster}"]=$(_yq ".clusters.${cluster}.customConfig // .customConfig")
     done
 
     cat << EOM
@@ -252,6 +253,7 @@ Cluster settings::
   nodes per cluster - $(typeset -p cluster_nodes | cut -f 2- -d=)
   install submariner - $(typeset -p cluster_subm | cut -f 2- -d=)
   label cluster gateways - $(typeset -p cluster_gateways | cut -f 2- -d=)
+  custom configuration - $(typeset -p cluster_custom_config | cut -f 2- -d=)
 EOM
 }