Multicast Multicast PIM Auto RP (V) In the previous posts in this series, we covered the basics of multicast, IGMP, PIM Dense Mode, and PIM Sparse Suresh Vinasiththamby Feb 10, 2026 20 min read
Multicast Multicast PIM Sparse Mode (IV) In the previous post, we covered PIM Dense Mode and mentioned that it is not widely used in production because Suresh Vinasiththamby Feb 7, 2026 26 min read
members Multicast Multicast PIM Dense Mode (III) In the previous posts, we covered the basics of multicast, including how sources send traffic to group addresses and how Suresh Vinasiththamby Jan 29, 2026 26 min read
Multicast Multicast IGMP - Internet Group Management Protocol (II) In the previous post, we covered the basics of multicast. In this post, we will focus on IGMP, Internet Group Suresh Vinasiththamby Jan 25, 2026 21 min read
members Multicast Multicast Introduction (I) Multicast is one of those topics I have been meaning to learn properly for a long time. When I did Suresh Vinasiththamby Jan 23, 2026 13 min read
Homelab Proxmox Backup Server Setup If you follow my blog, you may know that I recently migrated to Proxmox as my hypervisor, and I absolutely Suresh Vinasiththamby Jan 6, 2026 11 min read
BGP What is BGP Confederation? By design, iBGP requires a full mesh of peerings between all routers so every router can learn routes from all Suresh Vinasiththamby Dec 27, 2025 9 min read
Firewall FortiGate Radius Administrator Login with Cisco ISE Let’s assume a simple scenario. You have two different teams managing your FortiGate firewalls. One team is made up Suresh Vinasiththamby Dec 25, 2025 10 min read
Arista Arista Radius Administrator Login with Cisco ISE Let’s assume a simple scenario. You have two different teams managing your Arista devices. One team is made up Suresh Vinasiththamby Dec 24, 2025 9 min read
NetDevOps Automating NetBox with Ansible In this post, we're diving into automating NetBox with Ansible. We'll explore how to leverage Ansible& Suresh Vinasiththamby Nov 6, 2025 14 min read
BGP Build BGP Labs in Minutes, Not Hours with Netlab What if I told you that all it takes to build a simple BGP lab with two eBGP peers (or Suresh Vinasiththamby Nov 2, 2025 15 min read
Network Network Labs on a Budget "Can you suggest some specs for a server for my network labs?" is probably the question I get Suresh Vinasiththamby Oct 26, 2025 13 min read
Docker Docker Networking (Bridge, Host and None Drivers) It’s a bit embarrassing as a Network Engineer that we’ve made it this far into the Docker series Suresh Vinasiththamby Oct 20, 2025 17 min read
Python Python Getters, Setters and @property Decorator When I first started working with Python classes, some of the most confusing topics were getters, setters, and @property. There Suresh Vinasiththamby Oct 15, 2025 7 min read
Python Python OOP - Method vs Function and the Mystery of ‘self’ I just realized how much I didn't know about Python Object-Oriented Programming. I thought I knew the basics, Suresh Vinasiththamby Oct 13, 2025 4 min read
NetDevOps Netpicker NetBox Plugin and Automation Netpicker brings together configuration backups, security and compliance checks, and automation in one place. It supports over 150 network vendors, Suresh Vinasiththamby Oct 11, 2025 10 min read
Containerlab How to Take Packet Captures in ContainerLab/Netlab? If you follow my blog, you probably know that I’m a big advocate for using Containerlab and Netlab to Suresh Vinasiththamby Oct 5, 2025 8 min read
BGP BGP Route Reflectors, Originator ID and Cluster ID In iBGP, all routers in the same AS must be fully meshed, meaning every router forms an iBGP session with Suresh Vinasiththamby Sep 23, 2025 15 min read