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Welcome to Jeremy’s IT Lab. This is\xa0\n
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If you like these videos, please subscribe\xa0\n
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please like and leave a comment, and share the\xa0\n
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Thanks for your help. Also, remember to sign\xa0\n
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of the lab files for this course, so you\xa0\n
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If you want more labs like these, I highly\xa0\n
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click the link in the video description to check\xa0\n
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tracer, but it’s even better, and it includes\xa0\n
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hands-on practice configuring and troubleshooting,\xa0\n
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topics. If you want to get NetSim, please\xa0\n
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In this lab we will use Laptop1 to connect to SW2,\xa0\n
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Now, in reality you would probably configure\xa0\n
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but I’ve already connected SW2 to R2. So, let’s\xa0\n
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to SW2’s console port and perform some basic\xa0\n
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the console cable, it’s this light blue one. Then,\xa0\n
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SW2’s console port. Now let’s go on to Laptop1,\xa0\n
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These default terminal settings are correct,\xa0\n
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Now let’s perform some basic\xa0\n
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ENABLE. CONF T. HOSTNAME SW2. Okay, you\xa0\n
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Next let’s set an enable secret. If no enable\xa0\n
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it won’t let you access privileged exec mode. Now,\xa0\n
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set a high privilege level on the user you create,\xa0\n
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For now just make sure you have an enable secret\xa0\n
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when connecting remotely. So, ENABLE SECRET ccna.\xa0\n
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Next, let’s create a login account. I’ll\xa0\n
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the security section, but the basic command is\xa0\n
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then either PASSWORD or SECRET, I’ll use\xa0\n
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ccna. As I mentioned earlier in the course, if you\xa0\n
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not encrypted. Even if you use the\xa0\n
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the encryption isn’t as strong\xa0\nas if you use SECRET instead.
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Next let’s configure SW2 for remote management\xa0\n
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INTERFACE VLAN1. IP ADDRESS 192.168.2.253\xa0\n
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this model of switch, the SVI is shutdown by\xa0\n
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Then we get two Syslog messages saying the\xa0\n
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SW2’s default gateway. EXIT. IP DEFAULT-GATEWAY\xa0\n
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SW2 can communicate directly with it. However\xa0\n
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subnet, SW2 needs to know its default gateway,\xa0\n
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Next, in step 2 we’ll configure a few\xa0\n
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LINE CONSOLE 0. There is only one\xa0\n
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Now let’s configure local authentication. LOGIN\xa0\xa0
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LOCAL. So, to connect to the console line a user\xa0\n
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Then, I’ll set the exec timeout. EXEC-TIMEOUT 5.\xa0\n
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you can just specify 5 minutes and then hit enter.\xa0\n
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to return to privileged exec mode, and then\xa0\n
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for a username, jeremy, and a password,\xa0\n
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Okay, now step 3 is to configure\xa0\n
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First, let me try to generate\xa0\n
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GENERATE RSA. Since SW2 doesn’t have a domain\xa0\n
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let’s specify the domain name.\xa0\n
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And now I’ll try to generate the keys again.\xa0\n
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the key modulus size of 2048 bits, and it works.\xa0\n
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by the way. I’ll give some more detail in\xa0\n
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now before configuring the VTY lines I’m going\xa0\n
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I’ll just use a simple standard ACL. ACCESS-LIST\xa0\n
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to SSH only, no Telnet, but we can do that with\xa0\n
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actually any need to specify the port in the ACL.\xa0\n
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First I’ll configure local authentication. LOGIN\xa0\n
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on the console lines. EXEC-TIMEOUT 5. Then I’ll\xa0\n
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And finally, apply the ACL I configured\xa0\n
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So, let’s test it out. First, I’ll try from R2,\xa0\n
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the ACL. First, I’ll try a ping. ENABLE. PING\xa0\n
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How about SSH? SSH -L jeremy 192.168.2.253.\xa0\n
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Next I’ll try from PC1, which should be able\xa0\n
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First I’ll try to ping SW2\xa0\n
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The ARP process can be slow in packet tracer, so\xa0\n
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will succeed. So, PC1 can reach SW2 with ping,\xa0\n
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enter the password of ccna and we’re in. So, PC1\xa0\n
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In this lab we configured\xa0\n
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and enabled SW2 for remote access via SSH.\xa0\xa0
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That’s all for this lab. Now let’s take a look at\xa0\n
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Okay here's today's Boson NetSim practice lab.\xa0\n
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So, we will configure SSH here on Router1 in this\xa0\n
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We covered almost all of the commands, but there\xa0\n
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video. Okay, so those are the commands, and\xa0\n
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a few steps but they're all pretty quick so\xa0\n
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So let's get right to it. First, from PC1 we'll\xa0\n
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So, 10.10.0.1. And okay, so two of\xa0\n
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went through. So PC1 does have\xa0\n
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Next, in step 2 we will attempt to\xa0\n
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Okay, looks like it works. What is the\xa0\n
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Okay, so we are able to Telnet to Router1.\xa0\xa0
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And then for step 3 I exited out of that Telnet\xa0\n
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And the connection is refused by Router1. Okay,\xa0\n
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okay let me open up a connection, determine\xa0\n
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command is SHOW IP SSH. And it is disabled. Okay,\xa0\n
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Let me see, IP SSH VERSION 2 is the command. And\xa0\n
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Okay, so next in step 7 let's create those RSA\xa0\n
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work because Router1 does not have a domain name\xa0\n
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boson.com. And then one more time, in step 9 we\xa0\n
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modulus size is 1024 bits, okay. Next, step 10.\xa0\n
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Okay, so this is a command I didn't\xa0\n
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It is..actually first, let me check\xa0\n
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and maximum timeout value? You can view that\xa0\n
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So, to configure it it's IP SSH\xa0\n
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Okay, and then finally enable SSH\xa0\n
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it says it here. But I'll enter that\xa0\n
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Okay, step 12. Configure a local username that has\xa0\n
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so we will configure a privilege level. I didn't\xa0\n
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admin PRIVILEGE 15, that's the maximum, and it\xa0\n
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Okay and then step 13, we will configure\xa0\n
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0 15. And TRANSPORT INPUT SSH. Okay so now let's\xa0\n
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So from PC1 let's try that again. Same command,\xa0\n
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means we were able to connect. The password is\xa0\n
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okay. While, the SSH session is active, verify the\xa0\n
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we didn't set an enable password, so I can't\xa0\n
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Here, I'll tell you what. ENABLE SECRET boson.\xa0\n
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And now we are able to use ENABLE. The\xa0\n
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gives us information about the current SSH\xa0\n
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IP SSH. SHOW SSH tells you about the current\xa0\n
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2. This is the kind of encryption used. It gives\xa0\n
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Okay, while the SSH session is active, determine\xa0\n
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it's here, admin. Exit the SSH session.\xa0\n
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so we configured TRANSPORT INPUT SSH,\xa0\n
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And the connection is refused. Okay, so that was\xa0\n
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As you can see here there are tons\xa0\n
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so if you want some extra guided, detailed\xa0\n
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NetSim. If you want to get NetSim, please\xa0\n
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Before finishing today’s video I want\xa0\n
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To join, please click the ‘Join’ button under\xa0\n
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H W, Brandon, Samil, Aaron, Marcel, Kone,\xa0\n
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Benjamin, Tshepiso, Justin, Prakaash, Nasir,\xa0\n
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John, Funnydart, Velvijaykum, Mark, Yousif, Boson\xa0\n
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if I pronounced your name incorrectly, but\xa0\n
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the list of JCNP-level members at the time of\xa0\n
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you signed up recently and your name isn’t on\xa0\n
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Thank you for watching. Please\xa0\n
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like the video, leave a comment, and share the\xa0\n
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If you want to leave a tip, check the links in the\xa0\n
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and accept BAT, or Basic Attention Token, tips\xa0\n
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