Blog Posts in 2024
May 2024
- Worth Reading: Cisco vPC in VXLAN/EVPN Networks (04 May 2024)
- Public Videos: Network Connectivity and Graph Theory (03 May 2024)
- BGP Labs: EBGP Sessions over IPv6 LLA Interfaces (02 May 2024)
April 2024
- Repost: The Real LISP Mobility Use Case (30 Apr 2024)
- netlab: Global and Node VRFs (29 Apr 2024)
- Worth Reading: Comparing GNS3, containerlab, and netlab (27 Apr 2024)
- Repost: Think About the 99% of the Users (25 Apr 2024)
- Stop the Network-Based Application Recognition Nonsense (24 Apr 2024)
- Presentation: Introduction to netlab (23 Apr 2024)
- Repost: Campus-Wide Wireless Roaming with EVPN (22 Apr 2024)
- Worth Reading: Data Protection for Dummies (20 Apr 2024)
- FRRouting Loopback Interfaces and OSPF Costs (17 Apr 2024)
- Unintended Consequences of IPv6 SLAAC (16 Apr 2024)
- Explore: Why No IPv6? (IPv6 SaaS) (13 Apr 2024)
- Public Videos: Kubernetes Ingress (12 Apr 2024)
- LISP vs EVPN: Mobility in Campus Networks (11 Apr 2024)
- Stateful Firewall Cluster High Availability Theater (10 Apr 2024)
- SR/MPLS Security Framework (09 Apr 2024)
- netlab 1.8.1: VRF OSPFv3, Integration Tests (08 Apr 2024)
- Worth Reading: Cybersecurity Is Broken (06 Apr 2024)
- Why Are We Using EVPN Instead of SPB or TRILL? (05 Apr 2024)
- BGP Challenge: Build BGP-Free MPLS Core Network (04 Apr 2024)
- EVPN Designs: VXLAN Leaf-and-Spine Fabric (03 Apr 2024)
- Using wemulate with netlab (02 Apr 2024)
- Repost: EBGP-Mostly Service Provider Network (01 Apr 2024)
March 2024
- Public Videos: Service Insertion in EVPN Fabrics (29 Mar 2024)
- BGP Labs: Advertise the Default Route (28 Mar 2024)
- FRRouting Claims IBGP Loopbacks Are Inaccessible (27 Mar 2024)
- OSI Layers in Routing Protocols (26 Mar 2024)
- netlab: Building Leaf-and-Spine Fabrics with the Fabric Plugin (25 Mar 2024)
- Worth Reading: Things We Know about Network Queues (23 Mar 2024)
- Public Videos: Routing Protocol Convergence (22 Mar 2024)
- BGP Labs: Stop the Fat-Finger Incidents (21 Mar 2024)
- FRRouting RIB and FIB (20 Mar 2024)
- Interface EBGP Sessions on Arista EOS (19 Mar 2024)
- Running netlab and BGP Labs on Apple Silicon (18 Mar 2024)
- Worth Reading: History of Ethernet (16 Mar 2024)
- Video: Intro to Real Life Network Automation (15 Mar 2024)
- Data Center Fabric Designs: Size Matters (14 Mar 2024)
- BGP AS Numbers for a Private MPLS/VPN Backbone (13 Mar 2024)
- OSPF Summarization and Split Areas (12 Mar 2024)
- Cyber Crane Mesh Topology Built with netlab (11 Mar 2024)
- Worth Reading: Talent Gap in IT (10 Mar 2024)
- Worth Exploring: PCAP Analysis with Generative AI (09 Mar 2024)
- DMVPN Videos Are Free to Download (08 Mar 2024)
- BGP Labs: Limit the Number of Accepted BGP Prefixes (07 Mar 2024)
- Multiline Expressions in Ansible Playbooks (06 Mar 2024)
- Rant: Multi-Vendor EVPN Fabrics (05 Mar 2024)
- netlab 1.8.0: Control-Plane Daemons, BIRD, dnsmasq (04 Mar 2024)
- Worth Reading: Unbloating the Buffers (03 Mar 2024)
- netlab on Packet Pushers (01 Mar 2024)
February 2024
- BGP Labs: Policy Templates (29 Feb 2024)
- DHCP Relaying on a Linux Host (28 Feb 2024)
- VXLAN Virtual Labs Have Never Been Easier (27 Feb 2024)
- Ansible Set Operations Do Not Preserve List Order (26 Feb 2024)
- Worth Reading: Popular git config options (23 Feb 2024)
- BGP Labs: Remove Private AS from AS-Path (22 Feb 2024)
- Implementing 'Undo' Functionality in Network Automation (21 Feb 2024)
- Applying BGP Policy Templates (20 Feb 2024)
- Network Layer: Interface or Node Addresses (19 Feb 2024)
- Public Videos: 400 Gigabit Ethernet (16 Feb 2024)
- BGP Labs: Session Templates (14 Feb 2024)
- Can We Skip the Network Layer? (12 Feb 2024)
- Removing FRRouting Configuration Is Not Idempotent (07 Feb 2024)
- BGP Labs: Use Multiple AS Numbers on the Same Router (06 Feb 2024)
January 2024
- Precedence of Ansible Extra Variables (31 Jan 2024)
- BGP Labs: Override Neighbor AS Number in AS Path (30 Jan 2024)
- Availability Zones in VMware NSX-Based Cloud (25 Jan 2024)
- Podcast: Network Automation Source(s) of Truth (23 Jan 2024)
- BGP Labs: Work with FRR and Cumulus Linux (19 Jan 2024)
- BGP Graceful Restart Considered Harmful (16 Jan 2024)
- Is It The End, Or Can You Do Something in 2024? (12 Jan 2024)
- netlab 1.7.1: Eye Candy (11 Jan 2024)
- Registration No Longer Needed to Download Free PDFs (10 Jan 2024)
- BGP Labs: Reuse BGP AS Number Across Sites (09 Jan 2024)
- On Routing Protocol Metrics (08 Jan 2024)
- Upcoming BGP Labs, 2024 Edition (04 Jan 2024)
- Public Cloud Networking Hands-On Exercises (03 Jan 2024)
- Goodbye, ipSpace.net Subscription (01 Jan 2024)