In this part we are going to look at the anycast gateway setup of the topology. This will help get the servers off their local network. Lets remind ourselves of the topology: The layout itself hasn’t changed. However, server3 has been moved onto Vlan20 so we can show routing using Read more…
In this part we are going to look at the L2VNI setup of the topology. This is basically the VLAN setup of the topology where we can define the vlans in use. Lets remind ourselves of the topology: The L2VNI setup is isolated to the leaves as the spines are Read more…
In this part we are going to look at the EVPN overlay setup of the topology. This allows the sharing of the layer 2 information learnt at each leaf switch. For this, we will use BGP. Lets remind ourselves of the topology: The BGP setup will have the spines as Read more…
In the last part, we setup the vPC domains on the leaf switches and all the interfaces down to our vPC member servers. In this part, we are going to look at the underlay setup. There aren’t many differences from a traditional VXLAN deployment, but lets dive in! Here is Read more…
In this series of guides, we will be completing the setup of a VXLAN fabric, with the leaf switches being in vPC pairs, this creates some interesting config additions we need to consider. In this part, we will look at the topology and setup the vPC domains. Here is the Read more…
In this guide, we are going to look at a less common, but still supported and deployed VXLAN EVPN model. Lets say we have two (or more) Data Centres and we need to connect them at Layer 2, but we don’t want to have a layer 2 link running between Read more…
The BGP output from a show bgp l2vpn evpn command is normally very long and sometimes confusing to understand. In this guide, I will walk through a sample output of a type-2 route and show why we get all the output and what it means. Before reading this, it implies Read more…
In this post, I am going to show the process of using PIM BiDir Phantom RP in the VXLAN EVPN topology we build in Parts 1 to 8 here. PIM is an important part of the VXLAN underlay as its used to route BUM (Broadcast, Unknown Unicast and Multicast) traffic. Read more…
Here is a YouTube video I created showing the process of setting up the same Fabric as the guide I created on here: This video goes through all the parts I explained on here but in more detail and with practical examples.
In the last part, we got route leaking in tenant VRFs working, in this part, we will look at giving the VRFs a way out of the Fabric! We have added some new devices to the topology: We can see the addition of the external router and server that are Read more…