Junos show configuration

Note, that all of my code examples will be from my vSRX firewalls in my lab. You can also see what happens when you go into one of the sub-configuration modes.

Bradley Pitt. William Smith. Thomas Hanks. Leonardo Dee Car-Pario. In this tweet, I shared a cool Junos command that makes your job a billion times easier. See, it turns out that Junos is packed full of stuff which will improves your job and your life. In fact, Junos has some fiercely powerful CLI secrets.

Junos show configuration

Show version brief: We use "show version brief" command to view the currently running version on our Junos devices. When upgrading our device, we first check the current OS version that is running on our device. The sample output of "show version brief" command is as shown below. The sample output of "show route protocol rip" command is as shown below. Interfaces are always displayed in numerical order, from the lowest to the highest FPC slot number. The command 'show interface terse match inet' displays the interfaces that are provided with an IPv4 addresses. This command displays only the lines on our router with the inet string. The sample output is as shown below. We can only specify a particular interface filters by using 'show interface filters ' command. The command output is as shown below. The 'show interfaces filters' command displays all firewall filters configured on all interfaces on the router. Both the total number of packets and the number in the last 5 seconds is shown with this command. We verify its existence by using the show chassis hardware command. We can view the route information on our device by using a simple 'show route' command.

In Junos you can use the following command to replace any string of text in the configuration with something else:. Overview of Operational Mode Commands.

Based on the documentation and the experience we have achieved along years working as a network engineer, we want to condense the hughest ammount of knowledge and experience in the minimum space, in order to become an useful "cheat sheet" able to help the network engineer on a daily basis. We are not showing configuration commands. Juniper has tons of documentation in order to configure services. What we want to show is just the operational side, but focussing there, we want to create the best spreadsheet in the web. Please be welcome to help us with any additional commands or suggestions you may have.

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Junos show configuration

Display the configuration that currently is running on the router or switch, which is the last committed configuration. Optional Display one of the following hierarchies in a configuration. Each statement-path option has additional suboptions not described here. See the appropriate user guide or EX Series switch documentation for more information. The portions of the configuration that you can view depend on the user class that you belong to and the corresponding permissions. If you do not have permission to view authentication keys and passwords in the configuration, because the secret permission bit is not set for your user account, the text SECRET-DATA is substituted for that portion of the configuration. If an identifier in the configuration contains a space, the identifier is displayed in quotation marks.

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Juniper Virtual Chassis Operational Commands. There is also error checking built in to the commits. You can see the that JunOS always tells you where in the hierarchy you are. February 13, Chris 4. If you still really want to set screen-width to a fixed value upon login, it might be possible to do that with a script defined under [edit system login class MYCLASS login-script]. Did you know about these already, or were they new to you? To display the configuration as set commands and search for text matching a regular expression by filtering output, specify the match option after the pipe :. Juniper Junos configure commands. For example, you might have some long firewall filters configured which rarely change, and which you rarely want to look at. Tab will also complete user defined variables or names. Display the set commands from the configuration at the [ edit interfaces ] hierarchy level:. Save my name, email, and website in this browser for the next time I comment. Excellent advice!

Example: Create and Apply Configuration Groups. Example: Disable Inheritance of a Configuration Group. Example: Use the junos-defaults Configuration Group.

Desktop environment. YouTube page opens in new window Linkedin page opens in new window X page opens in new window. If you want to replicate the configuration on a new interface, this one command will do the trick:. The mode you run the command in changes the output you will receive. The output displays the same set command you entered. This can be exported and opened with Wireshark tool. Home About Contact. Which is probably a bit dangerous, but there we are! It is also relative to where you are in the hierarchy. We can verify this table using 'show route table inet6. As you can see the hostname hast not changed in active configuration. It also applies to Standalone chassis with dual routing engines. Juniper FPC Commands. A decent configuration can quickly become quite large. Juniper Junos active configuration versus candidate configuration.