1 00:00:16,270 --> 00:00:19,060 This isn't OSPF troubleshooting video. 2 00:00:19,420 --> 00:00:22,630 Are you able to solve the problem yourself? 3 00:00:25,250 --> 00:00:26,390 In this topology. 4 00:00:26,390 --> 00:00:33,410 We've been told that rather one on the left is not able to ping the loopback of a router for. 5 00:00:36,090 --> 00:00:42,720 Rather for has a loopback interface of 4.4.424. 6 00:00:43,860 --> 00:00:46,110 So let's test whether. 7 00:00:46,110 --> 00:00:46,350 Right. 8 00:00:46,410 --> 00:00:52,920 One can ping that loopback address and it looks like it can't. 9 00:00:54,310 --> 00:00:56,800 Can you solve this lab? 10 00:00:57,340 --> 00:01:02,230 Download the packet, trace a file and see if you can solve it. 11 00:01:02,770 --> 00:01:07,210 What's the problem and what's the solution to this lab? 12 00:01:08,040 --> 00:01:09,480 Now I want to give you a tip. 13 00:01:09,690 --> 00:01:16,800 In this lab, you may encounter a problem with packet tracer rather than a pure OSPF issue. 14 00:01:16,830 --> 00:01:23,310 When you have a look at router four, you may encounter a problem related to packet tracer. 15 00:01:23,460 --> 00:01:28,590 So if you get things partially working, but you can't get it to work fully. 16 00:01:28,620 --> 00:01:31,710 Have a look at my next video for the solution. 17 00:01:31,860 --> 00:01:36,600 There's no point spending a lot of time troubleshooting a packet tracer issue. 18 00:01:36,630 --> 00:01:41,490 You need to learn about Cisco networking, not packet tracer problems. 19 00:01:42,030 --> 00:01:48,150 So if you're struggling with this troubleshooting lab, have a look at my video for the solution. 20 00:01:48,690 --> 00:01:55,170 In the next video, I'll show you how to solve this lab, but see if you can solve it yourself. 21 00:01:55,200 --> 00:02:02,520 Download the attached packet of tracer file and try and work out where the problem is and fix it and 22 00:02:02,520 --> 00:02:04,380 get the lab working.