Day One: Securing the Routing Engine on the M, MX, and T Series (Junos Fundamentals Series Book 5)

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Contents

  1. (Reading => aKnowledge => +Power)
  2. Knowledge Search
  3. MODERATORS
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  5. Interesting Knowledge Collections: Juniper Learning Portal and Free Day One Library - PDF Download

Only colleges can do that. Listed below are some great free online network engineer training courses you can take to help you learn and even get certified with Juniper networks. Each Portable Library includes the documentation for one software release. These booklets are available in a free PDF edition, ePub and mobi format.

(Reading => aKnowledge => +Power)

Simply search either the iTunes store or the Kindle market. Start your search for the titles below and you will find them free to download! The following links are to some great online video training classes offered by Juniper.

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Some you may have to register for. Simply leave this blank.

Knowledge Search

Do you have any other great free resources that you can share with us? Leave a comment below and let us know where it is! As rightly said, Cisco is not the only provider of networking training, Juniper has well defined courses and nice study material backed by various certifications offered by Juniper. Of course theres a skill shortage, it takes so many commands and prerequisites to just assign and IP address that no one wants to do it.

An online juniper lab- http: Juniper is having very good product line Then Cisco, Juniper Knowledge will give you advantage in your resume. As someone who's both Cisco and Juniper certified, I have to say that you're not exactly correct in this post.

While Juniper does offer a ton of free training materials, they are all based on someone having a strong previous knowledge of IOS. They do some free one-day bootcamps from time to time I just love their marketing department and the first thing you are given is an IOS to Junos cheat sheet a good one is here: Trying to train a new engineer on Junos without any previous knowledge in IOS was a nightmare, so we just ended up sending him to a CCNA bootcamp to get him up to speed.

You won't find anything in Juniper's training that will give you the basics like Cisco will subnetting and the like. Thanks for the very informative article you have here in your site.

I found them very useful for my plan to have CCNA training this year. Thanks for your very inspiring article. I am planning to have a CCNA training this year. The information I found in your site are very useful. Your email address will not be published. Notify me of followup comments via e-mail.

You can also subscribe without commenting. This site uses Akismet to reduce spam. A burst of traffic to the RE could trigger tail drops in the queuing before doing other forms of harm. In Cisco, you have to flip a flag to force the Sup to handle various forms of broadcasts caveat: ARP is always handled by the Sup, from what I have observed.

MODERATORS

The "targeted broadcast" feature new in So I am not sure if this helps with traffic for the local subnet; i. If your Juniper gear isn't running highly time-sensitive applications, the broadcast issue may not bother you. But if you are trying to run something like BFD with the recommended setting of ms interval with 3 misses, you might be in trouble.

It really helped me this summer to provide an effective set of templates for building scalable filters: Doug's book is best geared towards protecting the router from malicious, security related activity. Unfortnately, it does not really address the broadcast storm issue directly.


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  • Juniper Networks - Securing the Routing Engine on M, MX, and T Series!
  • JunOS inet filter : networking;

For example, while you can build effective RE filters to protect against excessive ip broadcast with either discard actions in your filters or rate limiting policers, this will not help with ARP broadcasts. Applied to a layer3 interface via "family inet", it affords you the protection that you need. Just be careful not to be overly aggressive and starve the RE of the ARP packets it really needs to process.

Unfortunately, you can not set the ARP policer on the loopback interfaces themselves.

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If you have multiple routing instances, you will need to be aware of how they function with respect to your loopback interfaces. Assuming that each routing instance VRFs, virtual routers has its own loopback address that you have configured, you should know that the loopback interface serves as the entry point into the RE, which is where it makes sense to apply your RE protect filter on input. If a packet comes in as an all-ones broadcast IP multicast behaves the same.

However, if a packet is an ip directed broadcast packet; i. Instead, it enters the RE via lo0. Well, I hope this all helps someone.

Interesting Knowledge Collections: Juniper Learning Portal and Free Day One Library - PDF Download

I had to learn the hard way. Hi Clarke, Lot's of good insight here. You've put together some pretty good stuff. Have you thought about putting it on a blog somewhere? People should also have forwarding-options filter in every routing-instance inclusive main to police IP options and IPv6 hop-by-hop options. Rate of 5Mbps on small packets will kill your MX It is unfortunately you cannot police with pps, only with bps.

I've not done testing at all how MX is vulnarable when using L2 interfaces, but I'm certain there are lot more things to watch out for then, due to software handling of BPDU.