EC2 / Client / modify_transit_gateway

modify_transit_gateway#

EC2.Client.modify_transit_gateway(**kwargs)#

Modifies the specified transit gateway. When you modify a transit gateway, the modified options are applied to new transit gateway attachments only. Your existing transit gateway attachments are not modified.

Request Syntax

response = client.modify_transit_gateway(
    TransitGatewayId='string',
    Description='string',
    Options={
        'AddTransitGatewayCidrBlocks': [
            'string',
        ],
        'RemoveTransitGatewayCidrBlocks': [
            'string',
        ],
        'VpnEcmpSupport': 'enable'|'disable',
        'DnsSupport': 'enable'|'disable',
        'SecurityGroupReferencingSupport': 'enable'|'disable',
        'AutoAcceptSharedAttachments': 'enable'|'disable',
        'DefaultRouteTableAssociation': 'enable'|'disable',
        'AssociationDefaultRouteTableId': 'string',
        'DefaultRouteTablePropagation': 'enable'|'disable',
        'PropagationDefaultRouteTableId': 'string',
        'AmazonSideAsn': 123
    },
    DryRun=True|False
)

Parameters:

TransitGatewayId (string) –
[REQUIRED]

The ID of the transit gateway.
Description (string) – The description for the transit gateway.
Options (dict) –
The options to modify.
- AddTransitGatewayCidrBlocks (list) –
  
  Adds IPv4 or IPv6 CIDR blocks for the transit gateway. Must be a size /24 CIDR block or larger for IPv4, or a size /64 CIDR block or larger for IPv6.
  - (string) –
- RemoveTransitGatewayCidrBlocks (list) –
  
  Removes CIDR blocks for the transit gateway.
  - (string) –
- VpnEcmpSupport (string) –
  
  Enable or disable Equal Cost Multipath Protocol support.
- DnsSupport (string) –
  
  Enable or disable DNS support.
- SecurityGroupReferencingSupport (string) –
  
  Note
  This parameter is in preview and may not be available for your account.
  
  Enables you to reference a security group across VPCs attached to a transit gateway. Use this option to simplify security group management and control of instance-to-instance traffic across VPCs that are connected by transit gateway. You can also use this option to migrate from VPC peering (which was the only option that supported security group referencing) to transit gateways (which now also support security group referencing). This option is disabled by default and there are no additional costs to use this feature.
- AutoAcceptSharedAttachments (string) –
  
  Enable or disable automatic acceptance of attachment requests.
- DefaultRouteTableAssociation (string) –
  
  Enable or disable automatic association with the default association route table.
- AssociationDefaultRouteTableId (string) –
  
  The ID of the default association route table.
- DefaultRouteTablePropagation (string) –
  
  Enable or disable automatic propagation of routes to the default propagation route table.
- PropagationDefaultRouteTableId (string) –
  
  The ID of the default propagation route table.
- AmazonSideAsn (integer) –
  
  A private Autonomous System Number (ASN) for the Amazon side of a BGP session. The range is 64512 to 65534 for 16-bit ASNs and 4200000000 to 4294967294 for 32-bit ASNs.
  
  The modify ASN operation is not allowed on a transit gateway if it has the following attachments:
  - Dynamic VPN
  - Static VPN
  - Direct Connect Gateway
  - Connect
  You must first delete all transit gateway attachments configured prior to modifying the ASN on the transit gateway.
DryRun (boolean) – Checks whether you have the required permissions for the action, without actually making the request, and provides an error response. If you have the required permissions, the error response is DryRunOperation. Otherwise, it is UnauthorizedOperation.

Return type:

dict

Returns:

Response Syntax

{
    'TransitGateway': {
        'TransitGatewayId': 'string',
        'TransitGatewayArn': 'string',
        'State': 'pending'|'available'|'modifying'|'deleting'|'deleted',
        'OwnerId': 'string',
        'Description': 'string',
        'CreationTime': datetime(2015, 1, 1),
        'Options': {
            'AmazonSideAsn': 123,
            'TransitGatewayCidrBlocks': [
                'string',
            ],
            'AutoAcceptSharedAttachments': 'enable'|'disable',
            'DefaultRouteTableAssociation': 'enable'|'disable',
            'AssociationDefaultRouteTableId': 'string',
            'DefaultRouteTablePropagation': 'enable'|'disable',
            'PropagationDefaultRouteTableId': 'string',
            'VpnEcmpSupport': 'enable'|'disable',
            'DnsSupport': 'enable'|'disable',
            'SecurityGroupReferencingSupport': 'enable'|'disable',
            'MulticastSupport': 'enable'|'disable'
        },
        'Tags': [
            {
                'Key': 'string',
                'Value': 'string'
            },
        ]
    }
}

Response Structure

(dict) –
- TransitGateway (dict) –
  
  Information about the transit gateway.
  - TransitGatewayId (string) –
    
    The ID of the transit gateway.
  - TransitGatewayArn (string) –
    
    The Amazon Resource Name (ARN) of the transit gateway.
  - State (string) –
    
    The state of the transit gateway.
  - OwnerId (string) –
    
    The ID of the Amazon Web Services account that owns the transit gateway.
  - Description (string) –
    
    The description of the transit gateway.
  - CreationTime (datetime) –
    
    The creation time.
  - Options (dict) –
    
    The transit gateway options.
    - AmazonSideAsn (integer) –
      
      A private Autonomous System Number (ASN) for the Amazon side of a BGP session. The range is 64512 to 65534 for 16-bit ASNs and 4200000000 to 4294967294 for 32-bit ASNs.
    - TransitGatewayCidrBlocks (list) –
      
      The transit gateway CIDR blocks.
      - (string) –
    - AutoAcceptSharedAttachments (string) –
      
      Indicates whether attachment requests are automatically accepted.
    - DefaultRouteTableAssociation (string) –
      
      Indicates whether resource attachments are automatically associated with the default association route table.
    - AssociationDefaultRouteTableId (string) –
      
      The ID of the default association route table.
    - DefaultRouteTablePropagation (string) –
      
      Indicates whether resource attachments automatically propagate routes to the default propagation route table.
    - PropagationDefaultRouteTableId (string) –
      
      The ID of the default propagation route table.
    - VpnEcmpSupport (string) –
      
      Indicates whether Equal Cost Multipath Protocol support is enabled.
    - DnsSupport (string) –
      
      Indicates whether DNS support is enabled.
    - SecurityGroupReferencingSupport (string) –
      
      Note
      This parameter is in preview and may not be available for your account.
      
      Enables you to reference a security group across VPCs attached to a transit gateway. Use this option to simplify security group management and control of instance-to-instance traffic across VPCs that are connected by transit gateway. You can also use this option to migrate from VPC peering (which was the only option that supported security group referencing) to transit gateways (which now also support security group referencing). This option is disabled by default and there are no additional costs to use this feature.
    - MulticastSupport (string) –
      
      Indicates whether multicast is enabled on the transit gateway
  - Tags (list) –
    
    The tags for the transit gateway.
    - (dict) –
      
      Describes a tag.
      - Key (string) –
        
        The key of the tag.
        
        Constraints: Tag keys are case-sensitive and accept a maximum of 127 Unicode characters. May not begin with aws:.
      - Value (string) –
        
        The value of the tag.
        
        Constraints: Tag values are case-sensitive and accept a maximum of 256 Unicode characters.