routeros-scripts-main/bridge-port-toggle

#!rsc
# RouterOS script: bridge-port-toggle
# Copyright (c) 2013-2019 Christian Hesse <mail@eworm.de>
#
# toggle bridge ports between default and alt bridge

:global "bridge-port-to";

:if ($"bridge-port-to" != "default") do={
  :set "bridge-port-to" "default";
} else={
  :set "bridge-port-to" "alt";
}

/ system script run bridge-port-to-default;