Automatically add & remove PPP Profile connections to & from Mikrotik IGMP Proxy Multicast Routing

ppp-profile-on-down.rsc

# The actual on-down script. local variable matching against comment is required as of RouterOS v6.49.7
/log info "igmp-proxy interface removing $interface"
:local komen $interface
/routing igmp-proxy interface remove [/routing igmp-proxy interface find comment=$komen]

ppp-profile-on-up.rsc

# The actual on-up script
/log info "igmp-proxy interface adding $[/interface get $interface name] $interface"
/routing igmp-proxy interface add interface=$interface comment=$interface

update-ppp-profiles.rsc

# Paste the following into Mikrotik WinBox Terminal to modify all PPP Profiles.
# Existing on-up/down scripts will be replaced.
# IGMP Proxy is included in RouterOS v7 but needs to be manually added in RouterOS v6
# by installing "multicast" package.
:local p; :foreach p in=[/ppp profile find] do={/ppp profile set $p \
    on-up="/log info \"igmp-proxy interface adding \$[/interface get \$interface name] \$interface\"\r\
    \n/routing igmp-proxy interface add interface=\$interface comment=\$interface\r\
    \n" on-down="/log info \"igmp-proxy interface removing \$interface\"\r\
    \n:local komen \$interface\r\
    \n/routing igmp-proxy interface remove [/routing igmp-proxy interface find comment=\$komen]\r\
    \n"}