Creating a VPN Connection
Function
This API is used to create a VPN connection that connects a VPN gateway to a customer gateway.
Calling Method
For details, see Calling APIs.
URI
POST /v5/{project_id}/vpn-connection
Parameter |
Type |
Mandatory |
Description |
---|---|---|---|
project_id |
String |
Yes |
Specifies a project ID. You can obtain the project ID by referring to Obtaining the Project ID. |
Request
- Request parameters
Table 2 Request parameters Parameter
Type
Mandatory
Description
vpn_connection
Yes
Specifies the VPN connection object.
Table 3 CreateVpnConnectionRequestBodyContent Parameter
Type
Mandatory
Description
name
String
No
- Specifies the name of a VPN connection. If this parameter is not specified, a name in the format of vpn-**** is automatically generated, for example, vpn-13be.
- The value is a string of 1 to 64 characters, which can contain digits, letters, underscores (_), hyphens (-), and periods (.).
vgw_id
String
Yes
- Specifies a VPN gateway ID.
- The value is a UUID containing 36 characters. When flavor is set to GM for the VPN gateway, ensure that certificates have been imported for the VPN gateway.
You can obtain the VPN gateway ID by querying the VPN gateway list.
vgw_ip
String
Yes
- Function description:
- When network_type of the VPN gateway is set to public, set vgw_ip to the EIP IDs of the VPN gateway.
- When network_type of the VPN gateway is set to private, set vgw_ip to the private IP addresses of the VPN gateway.
- The value is a UUID containing 36 characters or an IPv4 address in dotted decimal notation (for example, 192.168.45.7).
You can obtain the EIP IDs or private IP addresses of the VPN gateway by querying information about the VPN gateway.
style
String
No
cgw_id
String
Yes
- Specifies a customer gateway ID.
- The value is a UUID containing 36 characters. When flavor is set to GM for the VPN gateway, ensure that a certificate has been imported for the customer gateway.
peer_subnets
Array of String
No
- Specifies an IPv4 customer subnet.
- Constraints:
- This parameter is not required when the IP protocol version is IPv6 or when attachment_type of the VPN gateway is set to er and style is set to policy or bgp. In other scenarios, this parameter is mandatory.
- Reserved VPC CIDR blocks such as 100.64.0.0/10 and 214.0.0.0/8 cannot be used as customer subnets.
- A maximum of 50 customer subnets can be configured for each VPN connection.
peer_subnets_v6
Array of String
No
- Specifies an IPv6 customer subnet.
- Constraints:
- This parameter is not required when the IP protocol version is IPv4 or when attachment_type of the VPN gateway is set to er and style is set to policy or bgp. In other scenarios, this parameter is mandatory.
- A maximum of 50 customer subnets can be configured for each VPN connection.
tunnel_local_address
String
No
- Specifies the tunnel interface address configured on the VPN gateway in route-based mode, for example, 169.254.76.1/30.
- Constraints:
- The first 16 bits must be 169.254, and the value cannot be 169.254.195.xxx.
- The mask length must be 30, and the address must be in the same CIDR block as the value of tunnel_peer_address.
- The address needs to be a host address in a CIDR block.
tunnel_peer_address
String
No
- Specifies the tunnel interface address configured on the customer gateway device in route-based mode, for example, 169.254.76.2/30.
- Constraints:
- The first 16 bits must be 169.254, and the value cannot be 169.254.195.xxx.
- The mask length must be 30, and the address must be in the same CIDR block as the value of tunnel_local_address.
- The address needs to be a host address in a CIDR block.
enable_nqa
Boolean
No
- Specifies whether to enable the network quality analysis (NQA) function.
- The value can be true or false.
- The default value is false.
- Set this parameter only when style is set to static.
psk
String
No
- Specifies a pre-shared key.
This parameter is mandatory when flavor is not set to GM for the VPN gateway.
- The value is a string of 8 to 128 characters, which must contain at least three types of the following: uppercase letters, lowercase letters, digits, and special characters (~!@#$%^()-_+={ },./:;).
policy_rules
Array of PolicyRule object
No
Specifies IPv4 policy rules.
A maximum of five policy rules can be specified. This parameter is mandatory only when style is set to policy and ip_version of the VPN gateway is set to ipv4.
policy_rules_v6
Array of PolicyRule object
No
Specifies IPv6 policy rules.
A maximum of five policy rules can be specified. This parameter is mandatory only when style is set to policy and ip_version of the VPN gateway is set to ipv6.
ikepolicy
IkePolicy object
No
Specifies the Internet Key Exchange (IKE) policy object.
ipsecpolicy
IpsecPolicy object
No
Specifies the Internet Protocol Security (IPsec) policy object.
ha_role
String
No
- This parameter is optional when you create a connection for a VPN gateway in active-active mode. When you create a connection for a VPN gateway in active-standby mode, master indicates the active connection, and slave indicates the standby connection.
- The default value is master.
- Constraints: In active/standby mode, this field must be set to master for the connection established using the active EIP or active private IP address of the VPN gateway, and must be set to slave for the connection established using the standby EIP or standby private IP address of the VPN gateway.
tags
Array of VpnResourceTag object
No
- Specifies a tag list.
- A maximum of 20 tags can be specified.
Table 4 PolicyRule Parameter
Type
Mandatory
Description
rule_index
Integer
No
- Specifies a rule ID, which is used to identify the sequence in which the rule is configured. You are advised not to set this parameter.
- The value ranges from 0 to 50.
- The value of rule_index in each policy rule must be unique. The value of rule_index in ResponseVpnConnection may be different from the value of this parameter. This is because if multiple destination CIDR blocks are specified, the VPN service generates a rule for each destination CIDR block.
source
String
No
- Specifies a source CIDR block. The IP protocol version (IPv4 or IPv6) of the CIDR block must be the same as that of the VPN gateway.
- The value of source in each policy rule must be unique.
destination
Array of String
No
- Specifies a destination CIDR block. The IP protocol version (IPv4 or IPv6) of the CIDR block must be the same as that of the VPN gateway.
An example IPv4 CIDR block is 192.168.52.0/24.
An example IPv6 CIDR block is 16af:cacc:1097::/48.
- A maximum of 50 destination CIDR blocks can be configured in each policy rule.
Table 5 IkePolicy Parameter
Type
Mandatory
Description
ike_version
String
No
phase1_negotiation_mode
String
No
- Specifies the negotiation mode.
- Value range:
When flavor is set to GM for the VPN gateway, the value can only be main.
In other scenarios, the value can be main or aggressive.
main: ensures high security during negotiation.
aggressive: ensures fast negotiation and a high negotiation success rate.
- The default value is main.
- This parameter is mandatory only when the IKE version is v1.
authentication_algorithm
String
No
- Specifies an authentication algorithm.
- Value range:
When flavor is set to GM for the VPN gateway, the value can only be sm3.
In other scenarios, the value can be sha2-512, sha2-384, sha2-256, sha1, or md5.
Exercise caution when using sha1 and md5 as they have low security.
- Default value:
When flavor is set to GM for the VPN gateway, the default value is sm3.
In other scenarios, the default value is sha2-256.
encryption_algorithm
String
No
- Specifies an encryption algorithm.
- Value range:
When flavor is set to GM for the VPN gateway, the value can only be sm4.
In other scenarios, the value can be aes-256-gcm-16, aes-128-gcm-16, aes-256, aes-192, aes-128, or 3des.
Exercise caution when using 3des as it has low security.
- Default value:
When flavor is set to GM for the VPN gateway, the default value is sm4.
In other scenarios, the default value is aes-128.
dh_group
String
No
- Specifies the DH group used for key exchange in phase 1.
You do not need to set this parameter when flavor is set to GM for the VPN gateway.
- The value can be group1, group2, group5, group14, group15, group16, group19, group20, or group21.
Exercise caution when using group1, group2, group5, or group14 as they have low security.
- The default value is group15.
authentication_method
String
No
lifetime_seconds
Integer
No
- Specifies the security association (SA) lifetime. When the lifetime expires, an IKE SA is automatically updated.
- The value ranges from 60 to 604800, in seconds.
- The default value is 86400.
local_id_type
String
No
local_id
String
No
- Specifies the local ID.
You do not need to set this parameter when flavor is set to GM for the VPN gateway.
- The value can contain a maximum of 255 case-sensitive characters, including letters, digits, and special characters (excluding & < > [ ] \). Spaces are not supported. Set this parameter when local_id_type is set to fqdn. The value must be the same as that of peer_id on the peer device.
peer_id_type
String
No
peer_id
String
No
- Specifies the peer ID.
You do not need to set this parameter when flavor is set to GM for the VPN gateway.
- The value can contain a maximum of 255 case-sensitive characters, including letters, digits, and special characters (excluding & < > [ ] \). Spaces are not supported. Set this parameter when peer_id_type is set to fqdn. The value must be the same as that of local_id on the peer device.
dpd
Dpd object
No
Specifies the dead peer detection (DPD) object.
Table 6 Dpd Parameter
Type
Mandatory
Description
timeout
Integer
No
- Specifies the interval for retransmitting DPD packets.
- The value ranges from 2 to 60, in seconds.
- The default value is 15.
interval
Integer
No
- Specifies the DPD idle timeout period.
- The value ranges from 10 to 3600, in seconds.
- The default value is 30.
msg
String
No
Table 8 VpnResourceTag Parameter
Type
Mandatory
Description
key
String
Yes
- Specifies a tag key.
- The value is a string of 1 to 128 characters that can contain digits, letters, Spanish characters, Portuguese characters, spaces, and special characters (_ . : = + - @).
value
String
Yes
- Specifies a tag value.
- The value is a string of 0 to 255 characters that can contain digits, letters, Spanish characters, Portuguese characters, spaces, and special characters (_ . : = + - @).
- Example requests
- Create a VPN connection in static routing mode.
POST https://{Endpoint}/v5/{project_id}/vpn-connection { "vpn_connection": { "vgw_id": "b32d91a4-demo-a8df-va86-e907174eb11d", "vgw_ip": "0c464dad-demo-a8df-va86-c22bb0eb0bde", "cgw_id": "5247ae10-demo-a8df-va86-dd36659a7f5d", "peer_subnets": [ "192.168.44.0/24" ], "psk": "abcd****" } }
- Create a VPN connection in policy-based mode.
POST https://{Endpoint}/v5/{project_id}/vpn-connection { "vpn_connection": { "vgw_id": "b32d91a4-demo-a8df-va86-e907174eb11d", "vgw_ip": "0c464dad-demo-a8df-va86-c22bb0eb0bde", "style": "policy", "cgw_id": "5247ae10-demo-a8df-va86-dd36659a7f5d", "peer_subnets": [ "192.168.44.0/24" ], "psk": "abcd****", "policy_rules": [{ "rule_index": 1, "source": "10.0.0.0/24", "destination": [ "192.168.0.0/24" ] }] } }
- Create a VPN connection in BGP routing mode.
POST https://{Endpoint}/v5/{project_id}/vpn-connection { "vpn_connection": { "name": "vpn-1655", "vgw_id": "b32d91a4-demo-a8df-va86-e907174eb11d", "vgw_ip": "0c464dad-demo-a8df-va86-c22bb0eb0bde", "style": "bgp", "cgw_id": "5247ae10-demo-a8df-va86-dd36659a7f5d", "peer_subnets": [ "192.168.44.0/24" ], "tunnel_local_address": "169.254.56.225/30", "tunnel_peer_address": "169.254.56.226/30", "psk": "abcd****", "ikepolicy": { "ike_version": "v2", "authentication_algorithm": "sha2-512", "encryption_algorithm": "aes-256", "dh_group": "group16", "lifetime_seconds": 172800, "local_id_type": "fqdn", "local_id": "123***", "peer_id_type": "fqdn", "peer_id": "456***", "dpd": { "timeout": 30, "interval": 60, "msg": "seq-notify-hash" } }, "ipsecpolicy": { "authentication_algorithm": "sha2-512", "encryption_algorithm": "aes-256", "pfs": "group16", "transform_protocol": "esp", "lifetime_seconds": 7200, "encapsulation_mode": "tunnel" } } }
- Create a VPN connection in static routing mode, which is set up using SM series cryptographic algorithms.
A VPN gateway of the GM specification has been created, and SM certificates have been imported for it. You have obtained the vgw_id value of this VPN gateway.
A customer gateway that uses an SM series cryptographic algorithm has been created, and a certificate has been imported for it. You have obtained the cgw_id value of this customer gateway.
POST https://{Endpoint}/v5/{project_id}/vpn-connection { "vpn_connection": { "vgw_id": "b32d91a4-demo-a8df-va86-e907174eb11d", "vgw_ip": "0c464dad-demo-a8df-va86-c22bb0eb0bde", "cgw_id": "5247ae10-demo-a8df-va86-dd36659a7f5d", "peer_subnets": [ "192.168.44.0/24" ] } }
- Create a VPN connection in static routing mode.
Response
- Response parameters
Returned status code 201: successful operation
Table 9 Parameters in the response body Parameter
Type
Description
vpn_connection
ResponseVpnConnection object
Specifies the VPN connection object.
request_id
String
Specifies a request ID.
Table 10 ResponseVpnConnection Parameter
Type
Description
id
String
- Specifies a VPN connection ID.
- The value is a UUID containing 36 characters.
name
String
- Specifies the name of a VPN connection.
- The value is a string of 1 to 64 characters, which can contain digits, letters, underscores (_), and hyphens (-).
vgw_id
String
- Specifies a VPN gateway ID.
- The value is a UUID containing 36 characters.
vgw_ip
String
- Specifies an EIP ID or private IP address of the VPN gateway.
- The value is a UUID containing 36 characters or an IPv4 address in dotted decimal notation (for example, 192.168.45.7).
style
String
cgw_id
String
- Specifies a customer gateway ID.
- The value is a UUID containing 36 characters.
peer_subnets
Array of String
Specifies an IPv4 customer subnet. This parameter is not returned when attachment_type of the VPN gateway is set to ER and style is set to BGP or POLICY or when the IP protocol version of the VPN gateway is IPv6.
peer_subnets_v6
Array of String
Specifies an IPv6 customer subnet. This parameter is not returned when attachment_type of the VPN gateway is set to ER and style is set to BGP or POLICY or when the IP protocol version of the VPN gateway is IPv4.
tunnel_local_address
String
Specifies the tunnel interface address configured on the VPN gateway in route-based mode. This parameter is valid only when style is STATIC or BGP.
tunnel_peer_address
String
Specifies the tunnel interface address configured on the customer gateway device in route-based mode. This parameter is valid only when style is STATIC or BGP.
enable_nqa
Boolean
- Specifies whether NQA is enabled. This parameter is returned only when style is STATIC.
- The value can be true or false.
policy_rules
Array of PolicyRule objects
Specifies IPv4 policy rules, which are returned only when style is set to POLICY and ip_version of the VPN gateway is set to ipv4.
policy_rules_v6
Array of PolicyRule objects
Specifies IPv6 policy rules, which are returned only when style is set to POLICY and ip_version of the VPN gateway is set to ipv6.
ikepolicy
IkePolicy object
Specifies the IKE policy object.
ipsecpolicy
IpsecPolicy object
Specifies the IPsec policy object.
created_at
String
- Specifies the time when the VPN connection is created.
- The UTC time format is yyyy-MM-ddTHH:mm:ssZ.
updated_at
String
- Specifies the last update time.
- The UTC time format is yyyy-MM-ddTHH:mm:ssZ.
enterprise_project_id
String
- Specifies an enterprise project ID.
- The value is a UUID containing 36 characters. The value must be the same as the enterprise project ID of the VPN gateway specified by vgw_id.
ha_role
String
- For a VPN gateway in active-standby mode, master indicates the active connection, and slave indicates the standby connection. For a VPN gateway in active-active mode, the value of ha_role can only be master.
- The default value is master.
tags
Array of VpnResourceTag objects
Specifies a tag list.
Table 11 PolicyRule Parameter
Type
Description
rule_index
Integer
- Specifies a rule ID.
- The value ranges from 0 to 50.
source
String
Specifies a source CIDR block.
destination
Array of String
Specifies a destination CIDR block. An example IPv4 CIDR block is 192.168.52.0/24. An example IPv6 CIDR block is 16af:cacc:1097::/48. A maximum of 50 destination CIDR blocks can be returned for each policy rule.
Table 12 IkePolicy Parameter
Type
Description
ike_version
String
- Specifies the IKE version.
- The value can be v1 or v2.
phase1_negotiation_mode
String
authentication_algorithm
String
- Specifies an authentication algorithm.
- The value can be sm3, sha2-512, sha2-384, sha2-256, sha1, or md5.
encryption_algorithm
String
- Specifies an encryption algorithm.
- The value can be sm4, aes-256-gcm-16, aes-128-gcm-16, aes-256, aes-192, aes-128, or 3des.
dh_group
String
- Specifies the DH group used for key exchange in phase 1. This parameter is not available when flavor is set to GM for the VPN gateway.
- The value can be group1, group2, group5, group14, group15, group16, group19, group20, or group21.
authentication_method
String
lifetime_seconds
Integer
- Specifies the SA lifetime. When the lifetime expires, an IKE SA is automatically updated.
- The value ranges from 60 to 604800, in seconds.
local_id_type
String
- Specifies the local ID type. This parameter is not available when flavor is set to GM for the VPN gateway.
- Value range:
- ip
- fqdn
local_id
String
Specifies the local ID. When local_id_type is set to ip, the VPN gateway IP address corresponding to the VPN connection is returned. When local_id_type is set to fqdn, the local ID specified during VPN connection creation or update is returned.
This parameter is not available when flavor is set to GM for the VPN gateway.
peer_id_type
String
- Specifies the peer ID type. This parameter is not available when flavor is set to GM for the VPN gateway.
- Value range:
- ip
- fqdn
peer_id
String
Specifies the peer ID. When peer_id_type is set to ip, the IP address of the customer gateway is returned. When peer_id_type is set to fqdn, the peer ID specified during VPN connection creation or update is returned.
This parameter is not available when flavor is set to GM for the VPN gateway.
dpd
Dpd object
Specifies the DPD object.
Table 13 Dpd Parameter
Type
Description
timeout
Integer
- Specifies the interval for retransmitting DPD packets.
- The value ranges from 2 to 60, in seconds.
interval
Integer
- Specifies the DPD idle timeout period.
- The value ranges from 10 to 3600, in seconds.
msg
String
Table 14 IpsecPolicy Parameter
Type
Description
authentication_algorithm
String
- Specifies an authentication algorithm.
- The value can be sm3, sha2-512, sha2-384, sha2-256, sha1, or md5.
encryption_algorithm
String
- Specifies an encryption algorithm.
- The value can be sm4, aes-256-gcm-16, aes-128-gcm-16, aes-256, aes-192, aes-128, or 3des.
pfs
String
- Specifies the DH key group used by PFS. This parameter is not available when flavor is set to GM for the VPN gateway.
- The value can be group1, group2, group5, group14, group15, group16, group19, group20, group21, or disable.
transform_protocol
String
lifetime_seconds
Integer
- Specifies the lifetime of a tunnel established over an IPsec connection.
- The value ranges from 30 to 604800, in seconds.
encapsulation_mode
String
Table 15 VpnResourceTag Parameter
Type
Description
key
String
- Specifies a tag key.
- The value is a string of 1 to 128 characters that can contain digits, letters, Spanish characters, Portuguese characters, spaces, and special characters (_ . : = + - @).
value
String
- Specifies a tag value.
- The value is a string of 0 to 255 characters that can contain digits, letters, Spanish characters, Portuguese characters, spaces, and special characters (_ . : = + - @).
- Example responses
- Response to the request for creating a VPN connection in static routing mode
{ "vpn_connection": { "id": "98c5af8a-6ee2-4482-99a2-ae2280a6f4c3", "name": "vpn-b2cb", "vgw_id": "b32d91a4-demo-a8df-va86-e907174eb11d", "vgw_ip": "0c464dad-demo-a8df-va86-c22bb0eb0bde", "style": "STATIC", "cgw_id": "5247ae10-demo-a8df-va86-dd36659a7f5d", "peer_subnets": ["192.168.44.0/24"], "tunnel_local_address": "169.254.56.225/30", "tunnel_peer_address": "169.254.56.226/30", "enable_nqa": false, "ikepolicy": { "ike_version": "v2", "authentication_algorithm": "sha2-256", "encryption_algorithm": "aes-128", "dh_group": "group15", "authentication_method": "pre-share", "lifetime_seconds": 86400, "local_id_type": "ip", "local_id": "10.***.***.134", "peer_id_type": "ip", "peer_id": "88.***.***.164", "dpd": { "timeout": 15, "interval": 30, "msg": "seq-hash-notify" } }, "ipsecpolicy": { "authentication_algorithm": "sha2-256", "encryption_algorithm": "aes-128", "pfs": "group15", "transform_protocol": "esp", "lifetime_seconds": 3600, "encapsulation_mode": "tunnel" }, "created_at": "2022-11-26T13:41:34.626Z", "updated_at": "2022-11-26T13:41:34.626Z", "enterprise_project_id": "0", "ha_role":"master" }, "request_id": "f91082d4-6d49-479c-ad1d-4e552a9f5cae" }
- Response to the request for creating a connection in policy-based mode
{ "vpn_connection": { "id": "98c5af8a-demo-a8df-va86-ae2280a6f4c3", "name": "vpn-799d", "vgw_id": "b32d91a4-demo-a8df-va86-e907174eb11d", "vgw_ip": "0c464dad-demo-a8df-va86-c22bb0eb0bde", "style": "POLICY", "cgw_id": "5247ae10-demo-a8df-va86-dd36659a7f5d", "peer_subnets": ["192.168.44.0/24"], "tunnel_local_address": "169.254.56.225/30", "tunnel_peer_address": "169.254.56.226/30", "policy_rules": [{ "rule_index": 1, "source": "10.0.0.0/24", "destination": [ "192.168.44.0/24" ] }], "ikepolicy": { "ike_version": "v2", "authentication_algorithm": "sha2-256", "encryption_algorithm": "aes-128", "dh_group": "group15", "authentication_method": "pre-share", "lifetime_seconds": 86400, "local_id_type": "ip", "local_id": "10.***.***.134", "peer_id_type": "ip", "peer_id": "88.***.***.164", "dpd": { "timeout": 15, "interval": 30, "msg": "seq-hash-notify" } }, "ipsecpolicy": { "authentication_algorithm": "sha2-256", "encryption_algorithm": "aes-128", "pfs": "group15", "transform_protocol": "esp", "lifetime_seconds": 3600, "encapsulation_mode": "tunnel" }, "created_at": "2022-11-26T13:41:34.626Z", "updated_at": "2022-11-26T13:41:34.626Z", "enterprise_project_id": "0", "ha_role":"master" }, "request_id": "f91082d4-6d49-479c-ad1d-4e552a9f5cae" }
- Response to the request for creating a VPN connection in BGP routing mode
{ "vpn_connection": { "id": "98c5af8a-demo-a8df-va86-ae2280a6f4c3", "name": "vpn-1655", "vgw_id": "b32d91a4-demo-a8df-va86-e907174eb11d", "vgw_ip": "0c464dad-demo-a8df-va86-c22bb0eb0bde", "style": "BGP", "cgw_id": "5247ae10-demo-a8df-va86-dd36659a7f5d", "peer_subnets": ["192.168.44.0/24"], "tunnel_local_address": "169.254.56.225/30", "tunnel_peer_address": "169.254.56.226/30", "ikepolicy": { "ike_version": "v2", "authentication_algorithm": "sha2-512", "encryption_algorithm": "aes-256", "dh_group": "group16", "authentication_method": "pre-share", "lifetime_seconds": 172800, "local_id_type": "fqdn", "local_id": "123***", "peer_id_type": "fqdn", "peer_id": "456***", "dpd": { "timeout": 30, "interval": 60, "msg": "seq-notify-hash" } }, "ipsecpolicy": { "authentication_algorithm": "sha2-512", "encryption_algorithm": "aes-256", "pfs": "group16", "transform_protocol": "esp", "lifetime_seconds": 7200, "encapsulation_mode": "tunnel" }, "created_at": "2022-11-26T13:41:34.626Z", "updated_at": "2022-11-26T13:41:34.626Z", "enterprise_project_id": "0", "ha_role":"master" }, "request_id": "f91082d4-6d49-479c-ad1d-4e552a9f5cae" }
- Response to the request for creating a VPN connection in static routing mode
Status Codes
For details, see Status Codes.
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