NSX-T Data Center REST API

Create or update a Nat Rule

If a NAT Rule is not already present in the transit
gateway denoted by the TGW ID,
under the NAT section, create a new NAT Rule.
If it already exists, update the NAT Rule.
This API is only available when using VMware NSX.

Request:

Method:

PATCH

URI Path(s):

/policy/api/v1/orgs/{org-id}/projects/{project-id}/transit-gateways/{tgw-id}/nat/{nat-id}/nat-rules/{nat-rule-id}

Request Headers:

n/a

Query Parameters:

n/a

Request Body:

TransitGatewayNatRule+

TransitGatewayNatRule (schema)

Name	Description	Type	Notes
_create_time	Timestamp of resource creation	EpochMsTimestamp	Readonly Sortable
_create_user	ID of the user who created this resource	string	Readonly
_last_modified_time	Timestamp of last modification	EpochMsTimestamp	Readonly Sortable
_last_modified_user	ID of the user who last modified this resource	string	Readonly
_links	References related to this resource The server will populate this field when returing the resource. Ignored on PUT and POST.	array of ResourceLink	Readonly
_protection	Indicates protection status of this resource Protection status is one of the following: PROTECTED - the client who retrieved the entity is not allowed to modify it. NOT_PROTECTED - the client who retrieved the entity is allowed to modify it REQUIRE_OVERRIDE - the client who retrieved the entity is a super user and can modify it, but only when providing the request header X-Allow-Overwrite=true. UNKNOWN - the _protection field could not be determined for this entity.	string	Readonly
_revision	Generation of this resource config The _revision property describes the current revision of the resource. To prevent clients from overwriting each other's changes, PUT operations must include the current _revision of the resource, which clients should obtain by issuing a GET operation. If the _revision provided in a PUT request is missing or stale, the operation will be rejected.	int
_schema	Schema for this resource	string	Readonly
_self	Link to this resource	SelfResourceLink	Readonly
_system_owned	Indicates system owned resource	boolean	Readonly
action	Represents action of NAT Rule SNAT, DNAT, REFLEXIVE Source NAT(SNAT) - translates a source IP address into an outbound packet so that the packet appears to originate from a different network. Destination NAT(DNAT) - translates the destination IP address of inbound packets so that packets are delivered to a target address into another network. Reflexive NAT(REFLEXIVE) - one-to-one mapping of source and destination IP addresses. NO_SNAT and NO_DNAT - These do not have support for translated_fields, only source_network and destination_network fields are supported.	string	Required Enum: SNAT, DNAT, REFLEXIVE, NO_SNAT, NO_DNAT
children	Subtree for this type within policy tree Subtree for this type within policy tree containing nested elements. Note that this type is applicable to be used in Hierarchical API only.	array of ChildPolicyConfigResource Children are not allowed for this type
description	Description of this resource	string	Maximum length: 1024 Sortable
destination_network	Represents the destination network This supports single IP address and it does not support IP range or IP sets. For DNAT and NO_DNAT rules, this is a mandatory field, and represents the destination network for the incoming packets. For other type of rules, optionally it can contain destination network of outgoing packets. NULL value for this field represents ANY network. In case of DNAT NATRule, destination network address should be IPv4 address allocated from External Block associated with VPC.	IPElementList
display_name	Identifier to use when displaying entity in logs or GUI Defaults to ID if not set	string	Maximum length: 255 Sortable
enabled	Policy NAT Rule enabled flag The flag, which suggests whether the NAT rule is enabled or disabled. The default is True.	boolean	Default: "True"
firewall_match	Represents the firewall match flag It indicates how the firewall matches the address after NATing if firewall stage is not skipped. MATCH_EXTERNAL_ADDRESS indicates the firewall will be applied to external address of a NAT rule. For SNAT, the external address is the translated source address after NAT is done. For DNAT, the external address is the original destination address before NAT is done. For REFLEXIVE, to egress traffic, the firewall will be applied to the translated source address after NAT is done; To ingress traffic, the firewall will be applied to the original destination address before NAT is done. MATCH_INTERNAL_ADDRESS indicates the firewall will be applied to internal address of a NAT rule. For SNAT, the internal address is the original source address before NAT is done. For DNAT, the internal address is the translated destination address after NAT is done. For REFLEXIVE, to egress traffic, the firewall will be applied to the original source address before NAT is done; To ingress traffic, the firewall will be applied to the translated destination address after NAT is done. BYPASS indicates the firewall stage will be skipped. For NO_SNAT or NO_DNAT, it must be BYPASS or leave it unassigned	string	Enum: MATCH_EXTERNAL_ADDRESS, MATCH_INTERNAL_ADDRESS, BYPASS Default: "MATCH_INTERNAL_ADDRESS"
id	Unique identifier of this resource	string	Sortable
logging	Policy NAT Rule logging flag The flag, which suggests whether the logging of NAT rule is enabled or disabled. The default is False.	boolean	Default: "False"
marked_for_delete	Indicates whether the intent object is marked for deletion Intent objects are not directly deleted from the system when a delete is invoked on them. They are marked for deletion and only when all the realized entities for that intent object get deleted, the intent object is deleted. Objects that are marked for deletion are not returned in GET call. One can use the search API to get these objects.	boolean	Readonly Default: "False"
origin_site_id	A unique identifier assigned by the system for knowing which site owns an object This is a UUID generated by the system for knowing which site owns an object. This is used in NSX+.	string	Readonly
overridden	Indicates whether this object is the overridden intent object Global intent objects cannot be modified locally by the user. However, certain global intent objects can be overridden locally by use of this property. In such cases, the overridden local values take precedence over the globally defined values for the properties.	boolean	Readonly Default: "False"
owner_id	A unique identifier assigned by the system for the ownership of an object This is a UUID generated by the system for knowing who owns this object. This is used in NSX+.	string	Readonly
parent_path	Path of its parent Path of its parent	string	Readonly
path	Absolute path of this object Absolute path of this object	string	Readonly
realization_id	A unique identifier assigned by the system for realizing intent This is a UUID generated by the system for realizing the entity object. In most cases this should be same as 'unique_id' of the entity. However, in some cases this can be different because of entities have migrated their unique identifier to NSX Policy intent objects later in the timeline and did not use unique_id for realization. Realization id is helpful for users to debug data path to correlate the configuration with corresponding intent.	string	Readonly
relative_path	Relative path of this object Path relative from its parent	string	Readonly
remote_path	Path of the object on the remote end. This path is populated only in case of multi-site scenario. Currently it is supported only for LM objects. When LM is onboarded to multi-site platform like NAPP or GM, remote_path will be set to the globally unique path across multi-site topology . It is generated based on local site-name and uses /org tree namespace. Note: It is populated only for LM objects. Not supported on the GM.	string	Readonly
resource_type	Must be set to the value TransitGatewayNatRule	string
sequence_number	Sequence number of the Nat Rule The sequence_number decides the rule_priority of a NAT rule. Sequence_number and rule_priority have 1:1 mapping.For each NAT section, there will be reserved rule_priority numbers.The valid range of rule_priority number is from 0 to 2147483647(MAX_INT). 1. INTERNAL section rule_priority reserved from 0 - 1023 (1024 rules) valid sequence_number range 0 - 1023 2. USER section rule_priority reserved from 1024 - 2147482623 (2147481600 rules) valid sequence_number range 0 - 2147481599 3. DEFAULT section rule_priority reserved from 2147482624 - 2147483647 (1024 rules) valid sequence_number range 0 - 1023	int	Default: "0"
service_entry	Service Entry	NatServiceEntry
source_network	Represents the source network address This supports single IP address or comma separated list of single IP addresses or CIDR. This does not support IP range or IP sets. For SNAT, NO_SNAT and REFLEXIVE rules, this is a mandatory field and represents the source network of the packets leaving the network. For DNAT and NO_DNAT rules, optionally it can contain source network of incoming packets. NULL value for this field represents ANY network.	IPElementList
tags	Opaque identifiers meaningful to the API user	array of Tag	Maximum items: 30
translated_network	Represents the translated network address This supports single IP address or comma separated list of single IP addresses or CIDR. If user specify the CIDR, this value is actually used as an IP pool that includes both the subnet and broadcast addresses as valid for NAT translations. This does not support IP range or IP sets. For SNAT, DNAT and REFLEXIVE rules, this ia a mandatory field, which represents the translated network address. For NO_SNAT and NO_DNAT this should be empty. In case of SNAT and Refelexive NATRule, translated network address should be single IPv4 address allocated from External Block associated with VPC.	IPElementList
unique_id	A unique identifier assigned by the system This is a UUID generated by the GM/LM to uniquely identify entities in a federated environment. For entities that are stretched across multiple sites, the same ID will be used on all the stretched sites.	string	Readonly

Example Request:

{ "sequence_number":3000, "action":"REFLEXIVE", "source_network":"192.168.2.10", "translated_network":"71.71.71.71", "firewall_match":"MATCH_INTERNAL_ADDRESS", "resource_type":"TransitGatewayNatRule", "id":"Match-internal", "display_name":"Match-internal" }

Successful Response:

Response Code:

200 OK

Response Headers:

n/a

Response Body:

n/a

Example Response:

200 OK

Required Permissions:

crud

Feature:

policy_nat_rules

Additional Errors:

• 301 Moved Permanently
• 307 Temporary Redirect
• 400 Bad Request
• 403 Forbidden
• 409 Conflict
• 412 Precondition Failed
• 500 Internal Server Error
• 503 Service Unavailable