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sshworkshop/presentation/presentation.md
2025-11-04 21:10:31 +01:00

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EVPN Demo

2024-07-17 Munich Felix Schüren


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lab diagram reference

Lo0 numbering from left to right, starting at .1 management via hostname, prefix is clab-f3-

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  • Spines
    • 10.0.255/24
  • Leaves
    • 10.0.254/24

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  • basic Spine/Leaf architecture
  • border/service leaf
    • keep spine config as simple as possible
    • help humans
  • eBGP underlay
    • I come from a service provider background, BGP is second nature
  • bgp unnumbered instead of /31
    • easier debugging of BGP sessions etc as you can see the Interface name in BGP :)
    • no IPAM for underlay transfer links

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MLAG: querlink noetig, aber weniger EVPN-Routen, vendor-spezifisch EVPN-Multihoming: kein querlink, aber mehr Routen, ...

underlay/overlay via AVD fertigmachen

service deployment via ansible oder so (VLANs, VNIs, ...)

v4-less underlay? 5549 nexthop rewriting mit interface-peering, damit baut sich ein neues leaf quasi umsonst

weitere leaf(s) dazubauen im Betrieb

eAPI, eAPI-Docs raussuchen

show commands rund um evpn (welche mac wo, aktueller Zustand, etc)

tmux auf einem arista-switch installieren und casual anmoderieren

habe mir ueberlegt, mal eben prometheus/loki etc drumrumzubauen, aber Zeit, ...