The following tables list API operations available for use in Cloud Enterprise Network (CEN).

Instance management

Table 1. CEN instances
Feature API operation and references
Creates a CEN instance. CreateCen
Queries the information about your CEN instances. DescribeCens
Modifies the name and description of a specified CEN instance. ModifyCenAttribute
Deletes a CEN instance. DeleteCen
Queries permissions granted to CEN instances that belong to another Alibaba Cloud account. DescribeGrantRulesToResource
Table 2. Transit routers
Feature API operation and references
Activates the transit router feature. OpenTransitRouterService
Queries whether the transit router feature is activated. CheckTransitRouterService
Creates an Enterprise Edition transit router. CreateTransitRouter
Modifies the name and description of a transit router. UpdateTransitRouter
Deletes a transit router. DeleteTransitRouter
Queries the information about a specified transit router. ListTransitRouters
Queries the zones that support Enterprise Edition transit routers in a specified region. ListTransitRouterAvailableResource
Grants a transit router the permissions to connect to a network instance that belongs to a different Alibaba Cloud account. GrantInstanceToTransitRouter
Revokes the permissions that a transit router uses to connect to a network instance that belongs to a different Alibaba Cloud account. RevokeInstanceFromTransitRouter
Table 3. Transit router CIDR blocks
Feature API operation and references
Creates a CIDR block for a transit router. CreateTransitRouterCidr
Deletes the CIDR block of a transit router. DeleteTransitRouterCidr
Modifies the CIDR block of a transit router. ModifyTransitRouterCidr
Queries the CIDR block of a transit router. ListTransitRouterCidr
Queries how IP addresses within the CIDR block of a transit router are allocated. ListTransitRouterCidrAllocation
Table 4. CEN instance tags
Feature API operation and references
Adds tags to CEN instances. TagResources
Queries the tags of CEN instances. ListTagResources
Removes tags from CEN instances. UntagResources
Table 5. Instance resource groups
Feature API operation and references
Changes the resource group of a CEN instance or a bandwidth plan. MoveResourceGroup

Network connection management

Table 6. VPC connections
Feature API operation and references
Creates a virtual private cloud (VPC) connection on an Enterprise Edition transit router. CreateTransitRouterVpcAttachment
Deletes VPC connections from an Enterprise Edition transit router. DeleteTransitRouterVpcAttachment
Modifies the name and description of a VPC connection on an Enterprise Edition transit router. UpdateTransitRouterVpcAttachmentAttribute
Modifies the zones and vSwitches of a VPC connection. UpdateTransitRouterVpcAttachmentZones
Queries the information about VPC connections on an Enterprise Edition transit router. ListTransitRouterVpcAttachments
Table 7. VBR connections
Feature API operation and references
Creates a virtual border router (VBR) connection on an Enterprise Edition transit router. CreateTransitRouterVbrAttachment
Deletes VBR connections from an Enterprise Edition transit router. DeleteTransitRouterVbrAttachment
Modifies the name and description of a VBR connection on an Enterprise Edition transit router. UpdateTransitRouterVbrAttachmentAttribute
Queries the information about VBR connections on an Enterprise Edition transit router. ListTransitRouterVbrAttachments
Table 8. VPN connections
Feature API operation and references
Connects an Enterprise Edition transit router to an IPsec-VPN connection. CreateTransitRouterVpnAttachment
Disconnects an Enterprise Edition transit router from an IPsec-VPN connection. DeleteTransitRouterVpnAttachment
Modifies the configuration of a connection between an Enterprise Edition transit router and an IPsec-VPN connection. UpdateTransitRouterVpnAttachmentAttribute
Queries the connection between an Enterprise Edition transit router and an IPsec-VPN connection. ListTransitRouterVpnAttachments
Note The API operations that are used to attach or detach network instances are supported by Basic Edition transit routers and the previous version of the CEN console.
Table 9. Network instance attachment and detachment
Feature API operation and references
Attaches a network instance to a CEN instance. AttachCenChildInstance
Detaches a network instance from a CEN instance. DetachCenChildInstance
Table 10. Network instance query
Feature API operation and references
Queries the network instances that are attached to a CEN instance. DescribeCenAttachedChildInstances
Queries the network instances that have the permissions to access network instances of a different Alibaba Cloud account. DescribeGrantRulesToCen
Queries the information about network instances that are attached to a CEN instance. DescribeCenAttachedChildInstanceAttribute
Queries the regions that allow you to attach network instances to CEN instances. DescribeChildInstanceRegions
Query the vSwitches in a VPC that belongs to a different Alibaba Cloud account and is attached to a CEN instance. ListGrantVSwitchesToCen

Inter-region connection management

Table 11. Bandwidth plans
Feature API operation and references
Creates a bandwidth plan. CreateCenBandwidthPackage
Modifies the name and description of a bandwidth plan. ModifyCenBandwidthPackageAttribute
Modifies the maximum bandwidth of a bandwidth plan. ModifyCenBandwidthPackageSpec
Queries the remaining bandwidth of a bandwidth plan. DescribeCenGeographicSpanRemainingBandwidth
Queries the information about bandwidth plans. DescribeCenBandwidthPackages
Associates a bandwidth plan with a CEN instance. AssociateCenBandwidthPackage
Disassociates a bandwidth plan from a CEN instance. UnassociateCenBandwidthPackage
Deletes a bandwidth plan. DeleteCenBandwidthPackage
Queries the areas that a CEN instance can connect. DescribeCenGeographicSpans
Queries the regions in an area. DescribeGeographicRegionMembership
Table 12. Inter-region connections
Feature API operation and references
Creates an inter-region connection on an Enterprise Edition transit router. CreateTransitRouterPeerAttachment
Deletes inter-region connections from an Enterprise Edition transit router. DeleteTransitRouterPeerAttachment
Modifies the configuration of inter-region connections on an Enterprise Edition transit router. UpdateTransitRouterPeerAttachmentAttribute
Queries the inter-region connections on an Enterprise Edition transit router. ListTransitRouterPeerAttachments
  • Sets a maximum bandwidth value for an inter-region connection.
  • Modifies the maximum bandwidth of an inter-region connection.
  • Sets the bandwidth of an inter-region connection to 0.
Note This API operation is supported only by the previous version of the CEN console and Basic Edition transit routers.
SetCenInterRegionBandwidthLimit
Queries the maximum bandwidth of inter-region connections. DescribeCenInterRegionBandwidthLimits
Table 13. Traffic scheduling
Feature API operation and references
Traffic marking policies
Creates a traffic marking policy. CreateTrafficMarkingPolicy
Modifies the name and description of a traffic marking policy. UpdateTrafficMarkingPolicyAttribute
Adds a traffic classification rule to a traffic marking policy. AddTrafficMatchRuleToTrafficMarkingPolicy
Deletes a traffic classification rule from a traffic marking policy. RemoveTrafficMatchRuleFromTrafficMarkingPolicy
Deletes a traffic marking policy. DeleteTrafficMarkingPolicy
Queries traffic marking policies. ListTrafficMarkingPolicies
Quality of service (QoS) policies
Creates a QoS policy. CreateCenInterRegionTrafficQosPolicy
Creates a queue for a QoS policy. CreateCenInterRegionTrafficQosQueue
Modifies the name and description of a QoS policy. UpdateCenInterRegionTrafficQosPolicyAttribute
Modifies a queue in a QoS policy. UpdateCenInterRegionTrafficQosQueueAttribute
Deletes a queue from a QoS policy. DeleteCenInterRegionTrafficQosQueue
Deletes a QoS policy. DeleteCenInterRegionTrafficQosPolicy
Queries QoS policies. ListCenInterRegionTrafficQosPolicies

Route management

Table 14. Network instance routes
Feature API operation and references
Queries the routes of a CEN instance in a region. DescribeCenRegionDomainRouteEntries
Queries the routes of a network instance that is attached to a CEN instance. DescribeCenChildInstanceRouteEntries
Queries the advertisement status of the routes of network instances attached to a CEN instance. DescribePublishedRouteEntries
Queries overlapping routes. DescribeRouteConflict
Advertises the routes of a VPC or a VBR that is attached to a CEN instance to the CEN instance. PublishRouteEntries
Withdraws the routes of a VPC or a VBR from a CEN instance. WithdrawPublishedRouteEntries
Adds a route to the route table of a network instance. CreateCenChildInstanceRouteEntryToCen
Deletes a route from the route table of a network instance. DeleteCenChildInstanceRouteEntryToCen
Table 15. Transit router route tables
Feature API operation and references
Creates a custom route table for an Enterprise Edition transit router. CreateTransitRouterRouteTable
Deletes a custom route table from an Enterprise Edition transit router. DeleteTransitRouterRouteTable
Modifies the name and description of a route table that belongs to an Enterprise Edition transit router. UpdateTransitRouterRouteTable
Queries the route tables of an Enterprise Edition transit router. ListTransitRouterRouteTables
Table 16. Transit router routes
Feature API operation and references
Adds a route to a route table of an Enterprise Edition transit router. CreateTransitRouterRouteEntry
Modifies the name and description of a route that belongs to a route table of an Enterprise Edition transit router. UpdateTransitRouterRouteEntry
Deletes a static route from a route table of an Enterprise Edition transit router. DeleteTransitRouterRouteEntry
Queries the routes in a route table of an Enterprise Edition transit router. ListTransitRouterRouteEntries
Table 17. Associated forwarding
Feature API operation and references
Creates an associated forwarding correlation. AssociateTransitRouterAttachmentWithRouteTable
Associates a network instance connection with another route table of a transit router. ReplaceTransitRouterRouteTableAssociation
Queries the associated forwarding correlations of a route table of an Enterprise Edition transit router. ListTransitRouterRouteTableAssociations
Deletes an associated forwarding correlation. DissociateTransitRouterAttachmentFromRouteTable
Table 18. Route learning
Feature API operation and references
Creates a route learning correlation. EnableTransitRouterRouteTablePropagation
Queries the route learning correlations of a route table of an Enterprise Edition transit router. ListTransitRouterRouteTablePropagations
Deletes a route learning correlation. DisableTransitRouterRouteTablePropagation
Table 19. Routing policies
Feature API operation and references
Creates a routing policy. CreateCenRouteMap
Queries routing policies. DescribeCenRouteMaps
Modifies a routing policy. ModifyCenRouteMap
Deletes a routing policy. DeleteCenRouteMap
Table 20. Prefix lists
Feature API operation and references
Associates the route table of an Enterprise Edition transit router with a prefix list. CreateTransitRouterPrefixListAssociation
Disassociates the route table of an Enterprise Edition transit router from a prefix list. DeleteTransitRouterPrefixListAssociation
Queries the prefix list that is associated with a specified Enterprise Edition transit router. ListTransitRouterPrefixListAssociation

Cloud service management

Table 21. Cloud services
Feature API operation and references
Creates a connection to a cloud service. ResolveAndRouteServiceInCen
Queries the connections to a cloud service. DescribeRouteServicesInCen
Deletes a connection to a cloud service. DeleteRouteServiceInCen
Table 22. Alibaba Cloud DNS PrivateZone (PrivateZone)
Feature API operation and references
Creates a connection to PrivateZone. RoutePrivateZoneInCenToVpc
Queries the connections to PrivateZone. DescribeCenPrivateZoneRoutes
Deletes a connection to PrivateZone. UnroutePrivateZoneInCenToVpc

Multicast management

Table 23. Multicast domains
Feature API operation and references
Creates a multicast domain. CreateTransitRouterMulticastDomain
Modifies the name and description of a multicast domain. ModifyTransitRouterMulticastDomain
Deletes a multicast domain. DeleteTransitRouterMulticastDomain
Queries the information about multicast domains on a transit router. ListTransitRouterMulticastDomains
Associates a vSwitch in a VPC to a multicast domain. AssociateTransitRouterMulticastDomain
Disassociates a vSwitch in a VPC from a multicast domain. DisassociateTransitRouterMulticastDomain
Queries the vSwitches that are associated with a multicast domain. ListTransitRouterMulticastDomainAssociations
Queries VPC vSwitches that are associated with multicast domains. ListTransitRouterMulticastDomainVSwitches
Table 24. Multicast sources and members
Feature API operation and references
Creates a multicast source. RegisterTransitRouterMulticastGroupSources
Deletes a multicast source. DeregisterTransitRouterMulticastGroupSources
Adds a multicast member. RegisterTransitRouterMulticastGroupMembers
Removes a multicast member. DeregisterTransitRouterMulticastGroupMembers
Queries the elastic network interfaces (ENIs) that can be used as multicast sources or members in a VPC. ListGrantVSwitchEnis
Queries the information about the multicast sources and members in a multicast domain. ListTransitRouterMulticastGroups

Monitoring and O&M

Table 25. Health checks
Feature API operation and references
  • Configures health checks for a VBR.
  • Modifies the health check configurations of a VBR.
EnableCenVbrHealthCheck
Queries the health check configurations of VBRs in a specified region. DescribeCenVbrHealthCheck
Deletes the health check configurations of a VBR. DisableCenVbrHealthCheck
Table 26. Flow logs
Feature API operation and references
Creates a flow log. CreateFlowlog
Modifies the name and description of a flow log. ModifyFlowLogAttribute
Enables a flow log. ActiveFlowLog
Disables a flow log. DeactiveFlowLog
Deletes a flow log. DeleteFlowlog
Queries flow logs. DescribeFlowlogs