This topic describes the limits on Smart Access Gateway (SAG).

Limits on SAG instances

Resource Limit Adjustable
The maximum number of SAG instances that can be created by an Alibaba Cloud account 500 Submit a ticket
The maximum number of private CIDR blocks that can be associated with an SAG instance 10 Submit a ticket

Limits on CCN

Resource Limit Adjustable
The maximum number of Cloud Connect Network (CCN) instances that can be created by an Alibaba Cloud account 10 Submit a ticket
The maximum number of CCN instances that can be attached to an SAG instance 1 Not supported
The maximum number of Cloud Enterprise Network (CEN) instances that can be attached to a CCN instance 1 Not supported
The maximum number of private CIDR blocks that can be added to a CCN instance 5 Submit a ticket
The maximum subnet length supported by CCN instances 24 Not supported

Limits on QoS policies

Resource Limit Adjustable
The maximum number of quality of service (QoS) policies that can be created by an Alibaba Cloud account 10 Submit a ticket
The maximum number of QoS policies that can be applied to an SAG instance 1 Not supported
The maximum number of traffic throttling rules that can be created in a QoS policy 3 Submit a ticket
Note The upper limit is 4.
The maximum number of traffic classification rules that can be created for a traffic throttling rule 50 Submit a ticket

Limits on ACLs

Resource Limit Adjustable
The number of access control lists (ACLs) that can be created by an Alibaba Cloud account 10 Submit a ticket
The maximum number of ACLs that can be associated with an SAG instance 1 Not supported
The number of ACL rules that can be created in an ACL 50 Submit a ticket

Limits on SAG devices

Resource Limit Adjustable
The maximum number of terminals that can connect to an SAG-100WM device over Wi-Fi 20 Not supported

Limits on the SAG app

Resource Limit Adjustable
The maximum bandwidth supported by the SAG app, in Kbit/s 20000 Not supported

Limits on enterprise codes

Resource Limit Adjustable
The maximum number of enterprise codes that can be created by an Alibaba Cloud account 5 Not supported
The maximum number of characters supported by an enterprise code 5 Not supported