# Define Global Variables
:global ddnsipmask
:global ddnsip
:global ddnslastip
:if ([ :typeof $ddnslastip ] = nil ) do={ :global ddnslastip "0" }
:global ddnsinterface "pppoe-ByFly"

# Grab the current IP address on that interface.
:global ddnsipmask [ /ip address get [/ip address find interface=$ddnsinterface ] address ]
:global ddnsip [:pick $ddnsipmask 0 ([:len $ddnsipmask]-3) ]

# Did we get an IP address to compare?
:if ([ :typeof $ddnsip ] = nil ) do={
   :log info ("DynDNS: No ip address present on " . $ddnsinterface . ", please check.")
} else={
# Did we get correct IP?
#  :if ([:pick $ddnsip 0 2] != 93 || [:pick $ddnsip 0 2] != 82) do={   HERE_I_WANT_TO_REESTABLISH_PPPOE_CONNECTION   }
  :if ($ddnsip != $ddnslastip) do={
    :log info "DynDNS: Sending UPDATE! ($ddnsip)"
    :log info [/tool dns-update name=someone.myddns.com address=$ddnsip key-name=key key=pass]
    :global ddnslastip $ddnsip
  }
}

/interface disable pppoe-ByFly
/interface enable pppoe-ByFly