One of the challenges with Catalyst SD-WAN is managing templates. Depending on how successful you are in standardizing your deployment, you risk ending up with many device templates. This can also be amplified if you have several platforms as each
Catalyst SD-WAN – Bootstrapping a Catalyst8000v Using a File on Bootflash
Yesterday I showed how to bootstrap a Catalyst8000v from the CLI. Today, I will show how to put a file on bootflash which includes the configuration but also the root certificate and the certificate of the device. This is a
Catalyst SD-WAN – Botstrapping a Catalyst8000v in a Virtual Lab
I’m rebuilding my Catalyst SD-WAN lab and thought I would give some quick pointers on how to bootstrap a Catalyst 8000v in your virtual lab. When the router first boots up, it will be in autonomous mode (non-SD-WAN mode): Configure
Using Python to Calculate Cisco SD-WAN Tunnel Numbers – Part 2
In the first post I shared with you my code to calculate tunnel numbers in Cisco SD-WAN. I’m a beginner in Python so I thought it would be a great learning experience to have someone experienced in Python, such as
Using Python to Calculate Cisco SD-WAN Tunnel Numbers – Part 1
When using Cisco SD-WAN on IOS-XE, it uses tunnel interfaces to configure parameters of the implementation. There is a mapping between what interface the tunnel is sourcing from and the name of the tunnel interface. For example, if the tunnel
Choosing SD-WAN Vendor – Have You Found the Tradeoff?
When I studied for my CCDE, I had the good fortune of receiving mentoring from Russ White. Something he taught me, that I really took to heart, is that in every design and choice you make, there is a tradeoff.
How Difficult is SD-WAN?
In a recent Packet Pushers Heavy Networking episode, Ethan and Greg discussed how difficult SD-WAN is, and why you shouldn’t outsource your SD-WAN to a MSP. So, how difficult is really SD-WAN? Now, this is of course going to depend
When Is Something SD-WAN?
A couple of days ago, I wrote on LinkedIn asking you what a SD-WAN solution should consist of. https://www.linkedin.com/posts/danieldib_sdn-sdwan-wan-activity-6583614108971655168-BH8x The post was meant to create a discussion and there were a lot of great answers. Some of the features are
The Tale of the Mysterious Traceroute
If you follow me on Twitter ( https://twitter.com/danieldibswe), you know I have been doing a lot of SD-WAN lately and I recently built my own lab. In this lab, I wanted to try a feature known as service chaining. What
SD-WAN – Glorified DMVPN?
I had an interesting discussion with Jon Cooper in the Network Collective Slack. The discussion was around SD-WAN. We were discussing if SD-WAN is just a “glorified DMVPN” or if it’s something more than that. Note that this was a