BGP Summarization For CCNP/CCIE
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- čas přidán 23. 07. 2024
- Welcome to Network Engineer Pro. I'm Rafael, CCIE 64356.
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Route summarization or aggregation in general is a way to replace multiple longer matching routes with a single short or less specific one. This can be really useful in large BGP networks. BGP summarization is a topic you will find on the CCNP and CCIE exams. In this video I cover how to find the right summary address, how to configure summarization for BGP. I also go over some of the caveats you should be aware of. To be specific, how some of the path information is lost which could increase the chance of routing loops and when the summary prefix arrives from a BGP neighbor the "atomic aggregate" attribute is set. This lets us now the route is an aggregate and that path information for that prefix is lost. That can be fixed by using "AS-Set" which I will cover in the next video. I used EVE-NG for my lab. The configuration I used to configure the summarization is as follows:
R2--------------------
router bgp 2
aggregate-address 192.168.0.0 255.255.192.0 summary-only
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Make sure in your lab that at least one prefix that falls in the summary is present in the BGP table. If not the summary won't work.
More Details on BGP summarization:
www.cisco.com/c/en/us/td/docs...
Chapters:
00:00 Intro
00:28 About BGP Summariztion
01:09 Topology & Tasks
01:57 CLI
04:45 Summarizing from scratch
05:25 Aggregate address command
06:53 Summary Only command
12:00 Outro
#ccna #ccnp #ccie - Věda a technologie
Hey Rafael, your content is fantastic it's much easier to understand. Please make more content on the CCIE level. If you provide any online courses on CCIE labs please let me know. I would most certainly purchase your course.
Thank you so much for the feedback. I don't have any released courses yet but I am working on something that's similar to what you're looking for. I hope for it to be complete around new years, i'll release more information soon though.
Thank you so much Sensei! You are a blessing!
Your very welcome, thanks for watching!
Great video. Informative and easy to understand 👍
Glad to hear, thank you!
hi Rafael, very nice content sir! is thare any chance you can share show run for the devices of this lab? Thanks!
Hey thanks glad it was helpful! yea i can do that. Just curious what platform are you labbing on?
Hi! Thanks for your response! I am using csr1kv and vIOS. Cheers
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