1 1 00:00:00,350 --> 00:00:02,200 Network Tools and Commands. 2 2 00:00:02,200 --> 00:00:04,280 In this section of the course, we're going to talk about 3 3 00:00:04,280 --> 00:00:06,170 the different network tools and commands 4 4 00:00:06,170 --> 00:00:08,740 that we're going to use in troubleshooting our networks. 5 5 00:00:08,740 --> 00:00:10,600 As we work through this section of the course, 6 6 00:00:10,600 --> 00:00:13,140 we're going to discuss software tools, command line tools, 7 7 00:00:13,140 --> 00:00:14,990 and basic network platform commands 8 8 00:00:14,990 --> 00:00:16,730 that are used by networking technicians, 9 9 00:00:16,730 --> 00:00:18,750 administrators and engineers. 10 10 00:00:18,750 --> 00:00:20,630 For software tools, we're going to cover things 11 11 00:00:20,630 --> 00:00:23,230 like Wi-Fi analyzers, protocol analyzers 12 12 00:00:23,230 --> 00:00:26,620 and packet capturing, bandwidth speed test, port scanners, 13 13 00:00:26,620 --> 00:00:30,740 iPerf, NetFlow analyzers, TFTP servers, terminal emulators, 14 14 00:00:30,740 --> 00:00:32,240 and IP scanners. 15 15 00:00:32,240 --> 00:00:33,340 For command line tools, 16 16 00:00:33,340 --> 00:00:35,790 We're going to focus on ping, ipconfig, ifconfig and ip 17 17 00:00:37,204 --> 00:00:39,847 nslookup and dig, traceroute and tracert, arp, netstat, 18 18 00:00:41,786 --> 00:00:45,830 hostname, route, telnet, tcp, dump and nmap. 19 19 00:00:45,830 --> 00:00:48,060 You probably notice here, we're going to cover windows, 20 20 00:00:48,060 --> 00:00:51,640 Linux and OSX command line tools in our discussions. 21 21 00:00:51,640 --> 00:00:52,770 Finally, we're going to cover 22 22 00:00:52,770 --> 00:00:54,570 some basic network platform commands 23 23 00:00:54,570 --> 00:00:57,640 like show interface, show config, and show route. 24 24 00:00:57,640 --> 00:00:59,200 These are three of the most common commands 25 25 00:00:59,200 --> 00:01:00,880 that are used within the command line interface 26 26 00:01:00,880 --> 00:01:03,040 of a router switch or firewall. 27 27 00:01:03,040 --> 00:01:04,090 It's important to note, 28 28 00:01:04,090 --> 00:01:06,260 that our goal in discussing these network platform commands 29 29 00:01:06,260 --> 00:01:08,720 isn't to make you an expert in the command line interface 30 30 00:01:08,720 --> 00:01:12,400 on a Cisco, Juniper, Brocade or other network platform, 31 31 00:01:12,400 --> 00:01:14,760 instead, you should be able to run a basic command 32 32 00:01:14,760 --> 00:01:17,490 and see the interface statistics, the running configuration, 33 33 00:01:17,490 --> 00:01:21,000 or the current routes that are in place on a single device. 34 34 00:01:21,000 --> 00:01:23,110 As we learned about these different tools and commands, 35 35 00:01:23,110 --> 00:01:24,610 it's important for you to understand 36 36 00:01:24,610 --> 00:01:26,640 that you might use a particular software tool 37 37 00:01:26,640 --> 00:01:28,910 or command line tool for a particular purpose 38 38 00:01:28,910 --> 00:01:30,720 inside your troubleshooting efforts. 39 39 00:01:30,720 --> 00:01:33,130 Your focus here is being able to select the right tool 40 40 00:01:33,130 --> 00:01:36,200 for a given issue or scenario presented on the exam. 41 41 00:01:36,200 --> 00:01:38,530 So in this section, we're going to focus again 42 42 00:01:38,530 --> 00:01:40,700 on domain five, network troubleshooting. 43 43 00:01:40,700 --> 00:01:44,070 And this time, we're going to fully cover objective 5.3. 44 44 00:01:44,070 --> 00:01:45,910 This states that, given a scenario, 45 45 00:01:45,910 --> 00:01:47,360 you must use the appropriate network 46 46 00:01:47,360 --> 00:01:49,120 software tools and commands. 47 47 00:01:49,120 --> 00:01:50,870 So, let's get started with our coverage 48 48 00:01:50,870 --> 00:01:53,870 of network tools and commands in this section of the course. 49 49 00:01:54,862 --> 00:01:57,316 (ethereal music)