diff --git a/pkg/nodeconfigs/toa_config.go b/pkg/nodeconfigs/toa_config.go
index b0ed3fc..8f200fc 100644
--- a/pkg/nodeconfigs/toa_config.go
+++ b/pkg/nodeconfigs/toa_config.go
@@ -16,3 +16,7 @@ type TOAConfig struct {
 func (this *TOAConfig) Init() error {
 	return nil
 }
+
+func (this *TOAConfig) RandLocalPort() uint16 {
+	return 0
+}