Author name: Damian

Local users on Junos are configured under the system login hierarchy. To configure centrally managed user accounts, you can use RADIUS or TACACS. Users And Classes Users are the individual user accounts. Each account is assigned to a class. The classes act like user groups, specifying what permissions a user has. There are four pre-existing […]

Route filters are one of the match criteria in Junos policy. It is a way of matching against a single route or a group of routes. Route filters consist of a prefix to match against, what style of match should be made, and can optionally have an action defined. In some ways, route filters are

The Junos load command loads configuration from a file or the terminal. It is an incredibly useful and powerful tool. Remember that none of the changes you make with the load command will become active until you commit the configuration. So as long as you don’t commit, you can always use ‘rollback 0’ to abandon

The Junos commit at command allows us to schedule a commit for either a future date or after the next reboot. Commit At Example In this example, we’re going to put a basic configuration on interface ge-0/0/3 and schedule a commit in the future. This is the new config being added. Scheduling The Commit When

Junos can allow users to authenticate using an SSH key pair, rather than using a username and password. In this post we’ll look at the following examples: Adding An SSH Key For A Regular User First, we need to generate an SSH key pair. In this case, we’ll do this from a Linux host, allow

Allowing the root user to log in via SSH is a straightforward change, but it is not something I recommend. There is a better way of achieving the same outcome, which is to su to the root user. Allowing Root Login Via SSH To allow root to log in via SSH, we need to add

It is really easy to compare configuration files on Junos. In this post we’ll look at three common scenarios: To help make the examples below clearer, I have made 11 commits already. Each commit set a description on the lo0 interface and a commit comment as per the table below. The first commit we make

The Junos file command allows us to manipulate files on the local file system and copy files to and from remote servers using protocols such as SCP, FTP, and HTTP. Junos Copying Files Junos allows us to copy files on the local file system and to remote hosts. It can also copy files between routing

In this post, we’re going to look at Juniper prefix-lists. What they are, how to configure them, and how they behave. You may also like to read about route filters, which provide some additional matching options. What Is A Prefix List A prefix list is exactly what it sounds like, a list of prefixes or