80. Route Filters Let’s talk about roof filters. What are root filters? Well, rock filters are list of prefixes configured to be used within a single routing policy or policy term. Unlike a prefix list, which is configured once and used multiple times within a configuration, a root filter is configured within a single routing […]

77. Routing Policy Example Now that we’ve understood what a routing policy is and what the structure of a routing policy looks like, let’s look at an example. So we know that a routing policy has a policy statement. It then has terms defined within it. Terms are like if then statements, if everything matches, […]

74. Routing Policy Overview Let’s now focus our attention on routing policies. Let’s understand what a routing policy is. And what are the use cases for configuring a routing policy? By default, all routing protocols running on a Junos device will install their routes into the routing table. Routing protocols also advertise a limited set […]

70. Static Routing – Part 2 Let’s continue our discussion on static routing. So here we have the three routers, router one, two and three. And here we have the IP addresses of the interfaces of these routers. Router two has a connected network. And similarly, router three also has a connected network, which is […]

67. Routing and Forwarding tables Let’s get to the Junos terminal and understand how to view the routing and the forwarding table. All right, I’m here at the terminal of a Junos device. As you can see, I’m in the operational mode to view the routing table. I’ll use the command show route. This shows […]

64. Introduction to Routing Let’s now shift our focus to routing, let’s understand why do we need to set up routing information? Let’s begin with a simple topology. So here I have two devices or two endpoints. The first one has an IP address of one ninety to 168. One . 10./twenty four. And the […]

61. Unified ISSU Let’s now talk about a unified ISIS u. This topic is an extension to the topic of upgrading Junos that we talked about in the last video. Let’s talk about this. Unified ISIS u stands for unified inservice software upgrade. This feature allows you to upgrade your Junos device between two different […]

58. Junos Naming Convention Let’s talk about the Junos naming convention. So in this lecture, we’ll understand how Junos names its software images. There’s a lot of important points that we’re going to cover in this video. So make sure you have a pen and a paper to take the notes or make sure are […]

55. System and Chassis Information Welcome back. Let’s look at the commands that we can use to view system and Chessie information. We’re going to try these commands from the terminal. But if you’d like to bookmark the commands, here’s the list. These are the commands that we’re going to use to view the system […]

53. Rescue Configuration Let’s now talk about rescue configuration. A rescue configuration is a user defined, known good configuration that is designed to restore connectivity in the event of configuration problems. So when you put a Judo’s device and let’s say the active configuration is corrupted, the Junos device will automatically load the rescue configuration […]