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**Example 1: To associate an Amazon-provided IPv6 CIDR block with a VPC**
The following ``associate-vpc-cidr-block`` example associates an IPv6 CIDR block with the specified VPC.::
aws ec2 associate-vpc-cidr-block \
--amazon-provided-ipv6-cidr-block \
--ipv6-cidr-block-network-border-group us-west-2-lax-1 \
--vpc-id vpc-8EXAMPLE
Output::
{
"Ipv6CidrBlockAssociation": {
"AssociationId": "vpc-cidr-assoc-0838ce7d9dEXAMPLE",
"Ipv6CidrBlockState": {
"State": "associating"
},
"NetworkBorderGroup": "us-west-2-lax-1"
},
"VpcId": "vpc-8EXAMPLE"
}
**Example 2:To associate an additional IPv4 CIDR block with a VPC**
The following ``associate-vpc-cidr-block`` example associates the IPv4 CIDR block ``10.2.0.0/16`` with the specified VPC. ::
aws ec2 associate-vpc-cidr-block \
--vpc-id vpc-1EXAMPLE \
--cidr-block 10.2.0.0/16
Output::
{
"CidrBlockAssociation": {
"AssociationId": "vpc-cidr-assoc-2EXAMPLE",
"CidrBlock": "10.2.0.0/16",
"CidrBlockState": {
"State": "associating"
}
},
"VpcId": "vpc-1EXAMPLE"
}