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SSL-VPN quotas
Alibaba Cloud sets default quotas on the cloud resources and API operations for each Alibaba Cloud account. This topic describes the quotas related to
Alibaba Cloud sets default quotas on the cloud resources and API operations for each Alibaba Cloud account. This topic describes the quotas related to the SSL-VPN feature and the default values of the quotas. It also describes whether the quotas can be increased.
overview
Quotas are set on a per-region or per-account basis. Quotas are categorized into the following types:
-
general quota : the limit on cloud resource that are available to an Alibaba Cloud account .
-
API rate limits: the limits on API calls that an Alibaba Cloud account can make in a specific period of time. API rate limits are also known as queries per second (QPS) limits.
-
Privileges: the permissions that are granted to an Alibaba Cloud account to use advanced features.
VPN Gateway is subject to general quotas and API rate limits. You can apply for increases on specific quotas. You can log on to the Quota Center console or VPC console to view quotas or request a quota increase. For more information about how to manage SSL-VPN quotas, see Manage SSL-VPN quotas.
General quotas
The follow table is describes describe the general quota for the SSL – vpn feature .
note
The default values is are of quota provide in this topic are for reference only . The default values is prevail of quota in the console prevail .
General quotas for VPN gateways
|
Item |
Description |
Default value |
Adjustable |
|
vpn_quota_instances_num |
Maximum number of VPN gateways that you can create within your Alibaba Cloud account |
30
note This quota is determined only by the number of Alibaba Cloud accounts and is irrelevant to regions or VPCs. For example , for each Alibaba Cloud account : |
Yes |
|
N / A |
Maximum bandwidth supported by a VPN gateway |
1,000 Mbit/s
note The maximum bandwidth is is support by VPN gateway in some region is 500 Mbit / s. For more information about the region , see create and manage a VPN gateway . |
No |
|
N / A |
maximum number of packet that can be transmit by a vpn gateway per second |
120,000 (256 bytes per packet) |
No |
|
N / A |
Maximum number of connections supported by a VPN gateway |
200,000
note A network 5-tuple uniquely identifies a connection. A 5-tuple includes a source IP address, a destination IP address, a source port number, a destination port number, and the protocol in use. The connections can be established by using the TCP, UDP, and ICMP protocols. |
No |
General quotas for SSL-VPN connections
|
Item |
Description |
Default value |
Adjustable |
|
vpn_quota_ssl_cert_num |
Maximum number of SSL client certificates that you can create within your Alibaba Cloud account |
50 |
Yes |
|
N / A |
maximum number of ssl server that can be associate with each VPN gateway |
1 |
No |
|
N / A |
maximum number of local cidr block that can be add to each SSL server |
5 |
|
|
N / A |
maximum number of peer CIDR block that can be add to each SSL server |
1 |
|
|
N / A |
validity period of an ssl client certificate |
Three years |
General quotas for IPsec servers
|
Item |
Description |
Default value |
Adjustable |
|
N / A |
Maximum number of IPsec servers that you can create on a VPN gateway |
1 |
No |
|
N / A |
maximum number of client support by an IPsec server |
50 |
API rate limits
The follow table is describes describe the api rate limit of VPN Gateway .
|
API |
version |
Default value |
Description |
Adjustable |
|
CreateSslVpnClientCert |
2016 – 04 – 28 |
120/60(s) |
Maximum number of times that each Alibaba Cloud account can call the CreateSslVpnClientCert operation per minute |
No |
|
CreateSslVpnServer |
2016 – 04 – 28 |
100/3600(s) |
maximum number of time that each Alibaba Cloud account can call the createsslvpnserver operation per hour |
No |
|
CreateVpnGateway |
2016 – 04 – 28 |
60/60(s ) |
maximum number of time that each Alibaba Cloud account can call the createvpngateway operation per minute |
No |
|
DescribeSslVpnClientCerts |
2016 – 04 – 28 |
120/60(s) |
maximum number of time that each Alibaba Cloud account can call the describesslvpnclientcert operation per minute |
No |
|
DescribeVpnGateways |
2016 – 04 – 28 |
120/60(s) |
Maximum number of times that each Alibaba Cloud account can call the DescribeVpnGateways operation per minute |
No |