def METHOD_NAME(origin_region):
    try:
        origin_region.sct_security_group.authorize_ingress(
            IpPermissions=[
                {
                    "IpProtocol": "-1",
                    "IpRanges": [{'CidrIp': str(origin_region.vpc_ipv4_cidr),
                                  'Description': f'Local for {origin_region.region_name}'}],
                    "Ipv6Ranges": [{'CidrIpv6': str(origin_region.vpc_ipv6_cidr),
                                    'Description': f'Loca; for {origin_region.region_name}'}]
                },
            ])
    except ClientError as ex:
        if 'InvalidPermission.Duplicate' not in str(ex):
            raise