name : modify-vpc-peering-connection-options.rst **To enable communication over a VPC peering connection from your local ClassicLink connection** In this example, for peering connection ``pcx-aaaabbb``, the owner of the requester VPC modifies the VPC peering connection options to enable a local ClassicLink connection to communicate with the peer VPC. Command:: aws ec2 modify-vpc-peering-connection-options --vpc-peering-connection-id pcx-aaaabbbb --requester-peering-connection-options AllowEgressFromLocalClassicLinkToRemoteVpc=true Output:: { "RequesterPeeringConnectionOptions": { "AllowEgressFromLocalClassicLinkToRemoteVpc": true } } **To enable communication over a VPC peering connection from your local VPC to a remote ClassicLink connection** In this example, the owner of the accepter VPC modifies the VPC peering connection options to enable the local VPC to communicate with the ClassicLink connection in the peer VPC. Command:: aws ec2 modify-vpc-peering-connection-options --vpc-peering-connection-id pcx-aaaabbbb --accepter-peering-connection-options AllowEgressFromLocalVpcToRemoteClassicLink=true Output:: { "AccepterPeeringConnectionOptions": { "AllowEgressFromLocalVpcToRemoteClassicLink": true } } **To enable DNS resolution support for the VPC peering connection** In this example, the owner of the requester VPC modifies the VPC peering connection options for ``pcx-aaaabbbb`` to enable the local VPC to resolve public DNS hostnames to private IP addresses when queried from instances in the peer VPC. Command:: aws ec2 modify-vpc-peering-connection-options --vpc-peering-connection-id pcx-aaaabbbb --requester-peering-connection-options AllowDnsResolutionFromRemoteVpc=true Output:: { "RequesterPeeringConnectionOptions": { "AllowDnsResolutionFromRemoteVpc": true } }