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Category: Juniper (page 1 of 2)

CLI commands to check optical attenuation

This post outlines CLI commands to check the optical attenuation on Cisco , Juniper , Huawei and Brocade platforms.

To check the attenuation, you need to have DOM (Digital Optical Monitoring) support in the optics.

Cisco Catalyst series:

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Getting started with the JNCIP-SP

Designed for experienced networking professionals with advanced knowledge of the Juniper Networks Junos OS, this written exam verifies the candidate’s understanding of advanced routing technologies and related platform configuration and troubleshooting skills.

As it is the beginning of 2016, it is time to set new goals for this year. One goal is to achieve the Juniper JNCIP-SP exam. After the re-certification of JNCIS-SP and JNCIA in Oktober I thought it would be good to start studying on the JNCIP-SP exam as we are going to implement Juniper MX80 boxes this year. The JNCIP-SP exam objectives are listed here: http://www.juniper.net/us/en/training/certification/resources/jncip-sp/

I recommend creating an excel sheet for the topics that are listed on the exam so you can track your progress and see where you need to focus on. The one i created looks like this:

JNCIP-SP Excel sheet

JNCIP-SP Excel sheet

Before starting I have collected study materials for the Juniper JNCIP-SP exam on the Juniper website itself and ordered O’Reilly books from Amazon. Here is a list of the materials I am using right now.

Hardcover Books
  • Juniper MX Series (O’ Reilly)
  • Junos Cookbook (O’ Reilly)
  • MPLS enabled applications (by Ina Minei)

I have made some notes on the Juniper MX Series as I am reading the books chapter by chapter.

eBooks (PDF)
  • JNCIP_studyguide by Harry Reynolds (.pdf file from Juniper site)
  • Several Juniper Day One guides (from Juniper site)
    • mastering automation
    • deploying BGP multicast VPN’s
    • deploying MPLS
  • JNCIS-SP studyguides from the Juniper fasttrack
Alternative resources

Next to taking the official courses, you can order the official course material which is used in the classes. My personal preference is self-study and the official training books are a little bit too expensive to buy. So i decided to start studying without these materials.

VMware and olive lab setup

As this exam is CLI and syntax intensive I created the topology as listed in the JNCIP Studyguide in VMware ESXi with several Olives. The topology i created in VMware is the following:

JNCIP-SP topology

JNCIP-SP topology

This is the well-known fish topology and should be suitable for any kind of topic that is present in this exam as it contains a mix of CE, PE, and P routers.

Expect blog posts about the several topics in this exam, just as i did with the CCNP-SP blog posts and hopefully I will be ready within a certain a mount of time.

If you have other suggestions regarding the materials listed please let me know!

 

Juniper bridging, vlan mapping and irb

These are my notes for chapter two of the Juniper MX Series book.

There are two styles of configuration when it comes to bridging and VLAN mappings:

  • Enterprise style
  • Service Provider style

The enterprise style is easier to configure but less flexible, SP style requires more configuration and offers flexibility see here now.

  • IFD (Interface Device) = physical interface
  • IFL (Interface Logical) = sub-interface (unit config)
  • IFF (Interface Family) = protocol
  • IFA (Interface Address) = inet or inet6 address

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Re-certified Juniper JNCIS-SP

The time goes fast, my Juniper JNCIS-SP was soon about to expire and i got some emails with CAPS on, two years have gone by already. The Juniper JNCIS-SP exam appears to be in the fasttrack now. After studying the fasttrack materials for the JNCIS-SP and using the JunOS genius app, I was able to pass the exam today and happy they changed the exam expiration dates to three years instead of two.

juniper-jncis

For next year i am going to study on the JNCIP-SP track.

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