diff --git a/setup/so-functions b/setup/so-functions
index 5d4dff0fc..35c6ed9fa 100755
--- a/setup/so-functions
+++ b/setup/so-functions
@@ -446,7 +446,7 @@ collect_mngr_hostname() {
 collect_mtu() {
 	whiptail_bond_nics_mtu "1500"
 
-	while ! valid_int "$MTU" "68"; do
+	while ! valid_int "$MTU" "68" "10000"; do
 		whiptail_invalid_input
 		whiptail_bond_nics_mtu "$MTU"
 	done