In my 3 part guide for DMVPN where we looked at Phase 1 to 3. I showed some output from the ‘show ip nhrp’ command like the below: In this guide, we will go through what the flags in these mappings mean as they will offer a valuable troubleshooting tool Read more…
Building on from the previous guide on DMVPN Phase 2, we are going to transition from Phase 2 to Phase 3. This is only really relevant if you are doing summarisation at the Hub. Lets remind ourselves of the topology: We are currently running Phase 2. So we are forming Read more…
Building on from the previous guide, we are going to transition from DMVPN Phase 1 to DMVPN Phase 2. This will bring some important improvements and some considerations. Lets remind ourselves of the topology: The Hub is still always going to be in the control plane path for the setup Read more…
In this guide, we will setup DMVPN Phase 1. In that we have one central hub, with multiple spokes. Spokes will learn about both Hub and other Spoke prefixes via EIGRP. Spoke to Spoke traffic is permitted, however the Hub is used in the Data Path. Lets have a look Read more…