diff --git a/moto/ec2/models/subnets.py b/moto/ec2/models/subnets.py
index ec5b96a7c..73621ce5b 100644
--- a/moto/ec2/models/subnets.py
+++ b/moto/ec2/models/subnets.py
@@ -59,6 +59,9 @@ class Subnet(TaggedEC2Resource, CloudFormationModel):
self._subnet_ips = {} # has IP: instance
self.state = "available"
+ # Placeholder for response templates until Ipv6 support implemented.
+ self.ipv6_native = False
+
@property
def owner_id(self):
return get_account_id()
diff --git a/moto/ec2/responses/subnets.py b/moto/ec2/responses/subnets.py
index 90269ead4..a82149768 100644
--- a/moto/ec2/responses/subnets.py
+++ b/moto/ec2/responses/subnets.py
@@ -105,6 +105,7 @@ CREATE_SUBNET_RESPONSE = """
{% endif %}
{% endfor %}
+ {{ 'false' if not subnet.ipv6_native else 'true' }}
arn:aws:ec2:{{ subnet._availability_zone.name[0:-1] }}:{{ subnet.owner_id }}:subnet/{{ subnet.id }}
{% for tag in subnet.get_tags() %}
@@ -156,6 +157,7 @@ DESCRIBE_SUBNETS_RESPONSE = """
{% endfor %}
arn:aws:ec2:{{ subnet._availability_zone.name[0:-1] }}:{{ subnet.owner_id }}:subnet/{{ subnet.id }}
+ {{ 'false' if not subnet.ipv6_native else 'true' }}
{% if subnet.get_tags() %}
{% for tag in subnet.get_tags() %}
diff --git a/tests/test_ec2/test_subnets.py b/tests/test_ec2/test_subnets.py
index 21cf97b4c..53ee8a7eb 100644
--- a/tests/test_ec2/test_subnets.py
+++ b/tests/test_ec2/test_subnets.py
@@ -354,6 +354,7 @@ def test_create_subnet_response_fields():
subnet.should.have.key("MapPublicIpOnLaunch").which.should.equal(False)
subnet.should.have.key("OwnerId")
subnet.should.have.key("AssignIpv6AddressOnCreation").which.should.equal(False)
+ subnet.should.have.key("Ipv6Native").which.should.equal(False)
subnet_arn = "arn:aws:ec2:{region}:{owner_id}:subnet/{subnet_id}".format(
region=subnet["AvailabilityZone"][0:-1],
@@ -390,6 +391,7 @@ def test_describe_subnet_response_fields():
subnet.should.have.key("MapPublicIpOnLaunch").which.should.equal(False)
subnet.should.have.key("OwnerId")
subnet.should.have.key("AssignIpv6AddressOnCreation").which.should.equal(False)
+ subnet.should.have.key("Ipv6Native").which.should.equal(False)
subnet_arn = "arn:aws:ec2:{region}:{owner_id}:subnet/{subnet_id}".format(
region=subnet["AvailabilityZone"][0:-1],