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Smart Access Gateway:Limits

Last Updated:Apr 01, 2026

This page lists the default quotas and hard limits for Smart Access Gateway (SAG) resources.

Each row in the tables below indicates whether a limit is adjustable:

Limits on SAG instances

ResourceLimitAdjustable
Maximum SAG instances per Alibaba Cloud account500Quotas page
Maximum private CIDR blocks per SAG instance10Quotas page

Limits on CCN

Cloud Connect Network (CCN) is the network infrastructure that connects SAG instances to Alibaba Cloud.

ResourceLimitAdjustable
Maximum CCN instances per Alibaba Cloud account10Submit a ticketSubmit a ticketSubmit a ticket
Maximum CCN instances per SAG instance1Not supported
Maximum Cloud Enterprise Network (CEN) instances per CCN instance1Not supported
Maximum private CIDR blocks per CCN instance5Quotas page
Maximum subnet length supported by CCN/24Not supported

Limits on QoS policies

ResourceLimitAdjustable
Maximum quality of service (QoS) policies per Alibaba Cloud account10Submit a ticketSubmit a ticketSubmit a ticket
Maximum QoS policies per SAG instance1Not supported
Maximum traffic throttling rules per QoS policy3Not supported
Maximum traffic classification rules per traffic throttling rule50Submit a ticketSubmit a ticketSubmit a ticket

Limits on ACLs

ResourceDefault quotaAdjustable
Maximum access control lists (ACLs) per SAG CPE instance1Not supported
Maximum ACLs per SAG app instance1Not supported
Maximum ACL rules per SAG CPE instance50Not supported
Maximum ACL rules per SAG app instance50Not supported
Maximum ACLs per Alibaba Cloud account10Not supported

Limits on SAG devices

ResourceLimitAdjustable
Maximum terminals connecting to an SAG-100WM device over Wi-Fi20Not supported

Limits on the SAG app

ResourceLimitAdjustable
Maximum bandwidth for the SAG app20,000 Kbit/sNot supported

Limits on enterprise codes

ResourceLimitAdjustable
Maximum enterprise codes per Alibaba Cloud account5Not supported
Maximum characters per enterprise code5Not supported