Download Automating Junos Administration: Doing More with Less by Jonathan Looney, Stacy Smith PDF

By Jonathan Looney, Stacy Smith

How are you able to develop and preserve a competent, versatile, and most economical community within the face of ever-increasing calls for? With this functional consultant, community engineers will the best way to software Juniper community units to accomplish daily initiatives, utilizing the automation positive aspects of the Junos OS.

Junos helps a number of automation instruments that offer strong suggestions to universal community automation projects. Authors Jonathan Looney and Stacy Smith, senior checking out engineers at Juniper, may help you establish which instruments paintings top on your specific community specifications. when you have adventure with Junos, this ebook will express you ways automation could make an important distinction within the operation of your present network.

  • Manage Junos software program with distant method calls and a RESTful API
  • Represent units as Python items and deal with them with Python’s PyEZ package
  • Customize Junos software program to discover and block commits that violate your community standards
  • Develop customized CLI instructions to offer details how you want
  • Program Junos software program to immediately reply to community events
  • Rapidly set up new Junos units into your community with ZTP and Netconify tools
  • Learn the right way to use Ansible or Puppet to control Junos software

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Extra info for Automating Junos Administration: Doing More with Less

Example text

In these cases, MGD serves as a two-way pipe, passing the request from the user to RPD and passing the response from RPD to the user. Figure 1-2 illustrates this data flow. To support this communication, MGD maintains a management socket with most daemons. Operational requests and responses flow over this management socket. In a few cases, MGD invokes tools to satisfy requests. One example is the Junos upgrade process, which requires more complex handling than a normal CLI command. MGD invokes an external tool to conduct part of the upgrade.

This warning indicates that the Junos software will try to merge user2’s changes to this configuration hierarchy with other changes that another user has already made to the same configuration hierarchy. When you get a warning like this, the Junos software does not continue with the commit operation. ) When you encounter this situation, you have two options to proceed further with the commit. First, you can use the update command to merge the changes from the current committed configuration into your private database.

XPath expressions can extract specific data values while ignoring new content or changes in the way values are organized. Complex expressions can find precise values such as the remote address of every point-to-point link that has a large MTU and high error rates. We also knew that automation depended on complete access to the device’s capabilities. If an API allows you to do 80% of what’s needed, but you have to resort to “screen scraping” for the other 20%, the value of the API is greatly diminished.

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