Gateways established to MLM/Log servers

[Workz]

We have a problem in which some/many gateway stopped sending logs to MLM servers. So apart from netstat command ("netstat -anp | grep -i -E "State|257") to be executed in each gateway, is there another simpler method from Management server if we can run and see all gateways are reporting to MLM server and connection is established? We have more than 650+ firewalls and keep increasing, so manual way of checking is quite tough. If anyone know sort of script or API calls or any alternative methods will be highly helpful.

[PhoneBoy]

Short answer: you're doing it the best way currently.
That said it may be easier to look at this from the MLM side of things versus the individual gateways.