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title: VXLAN Bridging Example « ipSpace.net blog | daily.dev
description: A hands-on walkthrough of building an EVPN/VXLAN bridging lab using netlab 1.3, replacing static ingress replication with an EVPN control plane. The post shows...
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og:description: A hands-on walkthrough of building an EVPN/VXLAN bridging lab using netlab 1.3, replacing static ingress replication with an EVPN control plane. The post shows...
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# VXLAN Bridging Example « ipSpace.net blog

**[ipSpace.net Blog](https://daily.dev/sources/ipspace)** · 5 min read · 0 upvotes · 0 comments

## Summary

A hands-on walkthrough of building an EVPN/VXLAN bridging lab using netlab 1.3, replacing static ingress replication with an EVPN control plane. The post shows how adding the EVPN and BGP configuration modules to a netlab topology file is all that's needed to get a working multi-vendor lab. It demonstrates a mixed Arista EOS and Cumulus Linux setup, providing the full generated configurations for both platforms including BGP EVPN address family setup, VXLAN VNI mappings, and route-target assignments. Instructions for running the lab yourself are included.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://blog.ipspace.net/2022/10/netlab-evpn-vxlan-bridging>

## Questions this post answers

### How do I add EVPN control plane to a VXLAN bridging lab in netlab?

Add the evpn and bgp modules to the switch group in the topology file and set a bgp.as global parameter. netlab then automatically starts a BGP process on each switch, builds an IBGP session between loopback interfaces, assigns EVPN RT/RD to every VLAN with a VXLAN VNI, and activates the EVPN address family — replacing static ingress replication lists entirely.

_Engineers building EVPN labs track netlab module updates and platform support changes on daily.dev._

### What does the Arista EOS BGP EVPN configuration look like for a VXLAN bridging setup?

Each VLAN gets its own RD and symmetric import/export route-targets under 'router bgp', with 'redistribute learned' to advertise MAC/IP entries. The EVPN address family is activated per neighbor, and the IBGP session uses loopback interfaces as update-source with next-hop-self. VXLAN VNIs are mapped per VLAN under 'interface Vxlan1' using vxlan vlan <id> vni <vni>.

_Networking engineers comparing EOS and Cumulus EVPN configs find side-by-side coverage like this on daily.dev._

### How is EVPN/VXLAN configured on Cumulus Linux with FRR for bridging?

Cumulus Linux uses /etc/network/interfaces.d files to define a VLAN-aware bridge with VXLAN interfaces (vni-XXXXXX) as bridge ports, with vxlan-learning disabled. FRR handles the control plane via 'address-family l2vpn evpn', using 'advertise-all-vni' and per-VNI RD/route-target blocks, plus 'advertise-svi-ip' and 'advertise ipv4 unicast' for IP mobility.

_Cumulus Linux practitioners keeping up with FRR and EVPN changes rely on daily.dev for networking content._

## Similar posts on daily.dev

- [EVPN with SR-MPLS Core « ipSpace.net blog](https://daily.dev/posts/evpn-with-sr-mpls-core-ipspace-net-blog-taobtibzc) · ipSpace.net Blog · 0 upvotes · 0 comments

---

Tags: [#networking](https://daily.dev/tags/networking), [#bgp](https://daily.dev/tags/bgp)

[View this post on daily.dev](https://daily.dev/posts/vxlan-bridging-example-ipspace-net-blog-7o7ugflah)

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