private static function getClientToClient(PoolConfig $poolConfig) { if (!$poolConfig->v('clientToClient')) { return []; } $rangeIp = new IP($poolConfig->v('range')); $range6Ip = new IP($poolConfig->v('range6')); return ['client-to-client', sprintf('push "route %s %s"', $rangeIp->getAddress(), $rangeIp->getNetmask()), sprintf('push "route-ipv6 %s"', $range6Ip->getAddressPrefix())]; }