def get_forwarding_information_base(self, filter=''):
        """
        Gets the forwarding information base data for a logical interconnect. A maximum of 100 entries is returned.
        Optional filtering criteria might be specified.

        Args:
            filter (list or str):
                Filtering criteria may be specified using supported attributes: interconnectUri, macAddress,
                internalVlan, externalVlan, and supported relation = (Equals). macAddress is 12 hexadecimal digits with
                a colon between each pair of digits (upper case or lower case).
                The default is no filter; all resources are returned.

        Returns:
            list: A set of interconnect MAC address entries.
        """
        uri = "{}{}".format(self.data["uri"], self.FORWARDING_INFORMATION_PATH)
        return self._helper.get_collection(uri, filter=filter)