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 | Request a quota increase on the Quotas page. For more information, see Manage quotas. |
| The maximum number of private CIDR blocks that can be associated with an SAG instance | 10 | Request a quota increase on the Quotas page. For more information, see Manage quotas. |
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 | Request a quota increase on the Quotas page. For more information, see Manage quotas. |
| 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 | Not supported |
| The maximum number of traffic classification rules that can be created for a traffic throttling rule | 50 | Submit a ticket |
Limits on ACLs
| Resource | Default quota | Adjustable |
|---|---|---|
| The maximum number of ACLs that can be associated with an SAG CPE instance | 1 | Not supported |
| The maximum number of ACLs that can be associated with an SAG app instance | 1 | Not supported |
| The maximum number of ACL rules that can be created for an SAG CPE instance | 50 | Not supported |
| The maximum number of ACL rules that can be created for an SAG app instance | 50 | Not supported |
| The maximum number of ACLs that can be created by an Alibaba Cloud account | 10 | Not supported |
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 | 20,000 | 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 |