BGP Prefix Filtering Configuration! Ep.7: Real World BGP
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- Опубликовано: 17 сен 2020
- For all of Jeremy's CBTNuggets courses, go here: bit.ly/JeremyCBT
Welcome to the seventh episode of Real World BGP!
Continuing our BGP configurations, today we're implementing route filtering to the carrier using prefix lists!
About the series:
In this series, Jeremy Cioara helps you understand BGP at an expert-level, and also show you how BGP helps in multi-carrier situations.
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thanks Jeremy! you have always been my favorite for Cisco Training! :)
I wish you could keep going with this series.. And that you touch MPLS..
Keep them coming I am really enjoying these videos.
another great video from you. Great learning with real word examples. Thanks a ton sir
Haha Amazing video. Who else would configure THEIR own production routers to help others learn. I really appreciate the video series. The real life scenarios really help visualize it all together. And the severity of it lol. Have you used any VXLAN or overlay technologies in your DC? If so that would be a great video series. Thank you so much!
Thanks Jeremy. Whether you breath in that plastic behind the scenes or not you still the best to me
Just FYI Jeremy, if you ever wanted too, your eligible for a /24 from ARIN since by ARIN's definition your effectively acting as an ISP with the CO-Hosting. Your eligible up to a /22 with justification. They distribute these quarterly.
Nice job Jeremy
Firstly, nice real world scenario, I understand these way more than small basic labs. If you don't mind answering my question, how did your prefix-list change apply instantly? I was messing around with my lab in CML for an hour trying to figure out why my lists did not change anything in the routing table, and the solution was to manually enter the command " clear ip bgp * " for the change to take place. Thanks!
Thank you.
Great video Jeremy, could you do an overview of ACI? #GOAT
I think you have a mistake. deny 0.0.0.0/0 will only deny default route, deny 0.0.0.0/0 le 32 will deny everything.
I was thinking the same
Good spot. It only worked as intended, because of the implicit deny at the end of the prefix-list. Seq 10 could be removed, and it would still operate the same. I personally like to explicitly deny though, so yup - it should have been “0.0.0.0/0 le 32” to explicitly have a catch-all deny.
How do you stop a route from being advertised TO a BGP peer? I assume a prefix filter and maybe a route map (or ACL) is needed but I want to know how to stop a single route from being advertised out to a peer but allow all the other routes.
wow zero dislike u never see such rating on youtube
why not just remove the redistribute static statement?