app.routing.ts

import { ModuleWithProviders, NgModule } from '@angular/core';
import { Routes, RouterModule } from '@angular/router';
import { ClassicComponent } from './classic.component';

@NgModule({
  imports: [
    RouterModule.forRoot([
       { path: '', redirectTo: 'classic', pathMatch: 'full' },
       { path: 'classic', component: ClassicComponent },
       { path: 'lazy', loadChildren: 'app/lazy/lazy.module#LazyModule' }
    ], { useHash: true })
  ],
  exports: [
    RouterModule
  ]
})

export class RoutingModule { }