In this post, we are going to look at what MTU is. We’re also going to see what it looks like on the network with practical examples. What is MTU MTU stands for Maximum Transmission Unit and represents the largest frame or packet that can be sent over a link. We are typically concerned with […]
The Junos archival configuration is a way for the device itself to back up the configuration file to another host. This can be done on a timed interval or when a commit is performed. The configuration is pretty simple, and you can have it backed up to a file path, or http, ftp, scp, or
Junos Archival Example Using SFTP Read More »
Have you ever made a configuration mistake and immediately wished you could take it back as you lost access to the remote device you were just configuring? This is where commit confirmed comes into play. It works just like a normal commit, but if you don’t perform a second commit within the specified timeframe the
Junos Commit Confirmed Example Read More »
The simplest way to repeatedly run a Junos CLI command is to pipe the command to ‘refresh’. This will automatically repeat the command you have entered at the specified interval. It also prints a handy timestamp so you know exactly when the command was run. This works well in situations where you need to watch
Junos Repeatedly Running A CLI Command Read More »
I recently sat the JNCIP-ENT exam in person at a local test center. This was to recertify my JNCIE, so it’s about the third or fourth time I’ve done some version of this JNCIP exam. Exam Overview The exam is 65 questions long with a time limit of 90 minutes. Things do change over time
Exam Review JNCIP-ENT (JN0-649) Read More »
Does the vQFX support port mirroring? It certainly seems so! I couldn’t find a definitive answer to this in a quick search, so I decided to try it out and see what happens. The Setup Eve-NG is built as “bare metal” on a VM. Juniper vQFX – Junos 21.3R3 3 x Linux images within Eve-NG
vQFX Port Mirroring Example Read More »