No.是this still the current behavior, as of 6.41 (jan/2018?)
That concurrent hardcoded limit was removed some versions ago, and as sebastia posted now you can set up the max concurrent queries limit at will.
From where you got that OID?6.34:新:
total cpu load OID 1.3.6.1.4.1.2021.11.52.0
The above mentioned action solved the problem. Thanks a lotbkuhn.You need to enable NAT for your VPN client or assign them an Internet routable static.