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EVPN - How Route Types 1 & 4 Help Build The ESI 

The Netcademy
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EVPN which stands for Ethernet Virtual Private Network. This is an absolutely mammoth routing protocol! Not only that but it is very agile in its approach and the way it helps advertise to all remote devices that an ESI (Ethernet Segment Identifier) exists, how they can reach it and where they can reach it through depending on the type of traffic. Trust me,,, the type 1 (Auto Discovery) and type 4 (Ethernet Segment Route) work hand-in-hand and provide some really great functionality with one another.
In this video, part of this series, we will start learning about 2 of the 5 EVPN packet types. Specifically we'll go through Route Type 4 which is absolutely crucial whenever you have a multihomed (ESI) device. It is crucial when it comes to BUM (Broadcast, Unknown Unicast, Multicast) traffic entering the ESI from the EVPN-VXLAN network. Additionally we will cover the EVPN Route Type 1. Essentially this advertises the ESI to all other VTEP's in the network but it does a lot more than just that.
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4 окт 2024

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Комментарии : 9   
@dineshstill7573
@dineshstill7573 Месяц назад
Hi David. Back with another question. We learned the need to configure DF in order to mitigate duplicates & loop (routing or L2). Does DF completely mitigates duplicates? Let’s consider the same scenario as yours. User 1 sends BUM traffic to all the users in vlan 10. Leaf 1 receives and sends to spine 1 & 2. Spine 1 & 2 in turn sends this to leaf 2 & 3. Leaf 2 drops the BUM packets from Spine 1 & 2 as it is NF (Non designated forwarder). Leaf 3 receives BUM from both spine 1 & 2. Leaf 3 sends 2 BUM packets to server that it received from Spine 1 & 2 each. That means we are still sending 2 BUM packets to server instead of 4 (as leaf 2 dropped 2 packets). Isn’t this still duplicate? Or my understanding is wrong? Correct me and sorry to bug you with too many questions. TIA.
@amvk99
@amvk99 6 месяцев назад
Good explanation 🙏
@Netcademy
@Netcademy 6 месяцев назад
Thanks very much 😁👍
@AAA-zg7yw
@AAA-zg7yw 7 месяцев назад
Addition of Apstra will be helpful.
@Netcademy
@Netcademy 7 месяцев назад
This is already one of my areas to cover. I plan to go through more of the UI than underlying technology. Thoughts? Thanks for the comment 👍
@Netcademy
@Netcademy 15 дней назад
@@AAA-zg7yw have you checked out my new series? Apstra is being released 😁
@SaniSharma-l8o
@SaniSharma-l8o 2 месяца назад
When you mentioned there will be loop why you call it routing loop isn’t it layer 2 loop
@christhanchacon6888
@christhanchacon6888 15 дней назад
So, you changed the color of your background room.
@Netcademy
@Netcademy 15 дней назад
@@christhanchacon6888 haha honestly can’t recall but I’ll take your word for it 😂
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