1 00:00:00,584 --> 00:00:05,360 In the previous video, we already configure ospf on 2 router. 2 00:00:06,000 --> 00:00:11,191 Next in this video, we are going to add 1 new router to the topology. 3 00:00:11,889 --> 00:00:21,467 Let’s just start, import 1 new router, let’s say the name is Router 3, let’s also import new pc. 4 00:00:23,520 --> 00:00:29,056 Next, we need to connecting router 2 and router 3, but before that, 5 00:00:29,056 --> 00:00:32,092 we need to add new interface on router 2. 6 00:00:33,110 --> 00:00:43,939 Let’s save the configuration, go to physical, shutdown the router, add new interface, 7 00:00:46,305 --> 00:00:48,611 and then turn on the router again. 8 00:00:49,649 --> 00:00:52,612 Now let’s connecting router 2 and router 3. 9 00:00:53,523 --> 00:00:56,741 And also connecting router 3 and pc 3. 10 00:00:58,661 --> 00:01:09,524 Next, for ip addressing, here the ip address will be 10.20.20.1, but here let’s use prefix /30. 11 00:01:10,912 --> 00:01:20,714 For router 3, the ip address will be 10.20.20.2/30, and router 3 that connected to pc 3, 12 00:01:20,840 --> 00:01:26,153 the ip address will be 192.168.3.1/24. 13 00:01:27,559 --> 00:01:35,125 Okay now let’s start the ip address configuration, let’s start with router 2, enable, 14 00:01:35,367 --> 00:01:44,574 configure terminal, here the ip address of fa1/0 will be 10.20.20.1/30, 15 00:01:45,350 --> 00:01:55,129 So here interface fa1/0, no shutdown, and then the ip address is 10.20.20.1 16 00:01:55,226 --> 00:02:02,625 and for prefix /30, the subnetmask is 255.255.255.252. 17 00:02:04,070 --> 00:02:13,969 We have done on router 2, next let’s configure router 3, no, enable, configure terminal, 18 00:02:14,483 --> 00:02:27,528 let’s configure fa0/0 first, so interface fa0/0, no shutdown, and then the ip address is 10.20.20.2 19 00:02:28,808 --> 00:02:32,251 255.255.255.252. 20 00:02:34,181 --> 00:02:47,687 Next for fa0/1, the ip address will be 192.168.3.1/24, so here interface fa0/1, no shutdown, 21 00:02:47,959 --> 00:02:54,549 ip address 192.168.3.1 255.255.255.0. 22 00:02:55,868 --> 00:03:00,869 Okay now we have done configuring ip address on router 2 and router 3. 23 00:03:01,761 --> 00:03:05,835 Last, let’s configure the ip address of pc 3. 24 00:03:06,998 --> 00:03:15,854 The ip address is 192.168.3.2 and the gateway is 192.168.3.1 25 00:03:16,581 --> 00:03:21,677 Okay, so now we have done add 1 new router to the topology. 26 00:03:22,356 --> 00:03:24,848 I think enough for this video. 27 00:03:24,984 --> 00:03:34,493 In the next video we are going to configure ospf so pc 1, pc 2, and pc 3 will able to communicate each others. 28 00:03:35,298 --> 00:03:38,748 Thankyou for watching and see you on the next video.