The Forwarding Table
A technical blog on routing decisions, packet flow, and how data moves through real networks.
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External Connections into a VXLAN Fabric via L2
Bringing external connections into a VXLAN fabric using a border leaf with both L2 VLAN extension and an L3 eBGP handoff to a firewall.
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Symmetric IRB with Anycast Gateway on Catalyst
Configuring Symmetric IRB with an Anycast Gateway in a VXLAN EVPN fabric on Cisco Catalyst IOS-XE, with both L2 and L3 VNIs.
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Integrated Routing and Bridging in L3 VXLAN
An explanation of IRB in VXLAN fabrics, covering both Asymmetric and Symmetric IRB models and their forwarding trade-offs.
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EVPN VXLAN over a Bridge Domain
Extending Layer 2 networks over VXLAN using bridge domains on a router, rather than a traditional switch-to-switch setup.
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Deploy StrongSwan on Azure — Part 2: Terraform
Using Terraform to deploy the entire StrongSwan IPSec VPN lab environment in Azure as Infrastructure as Code.
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Deploy StrongSwan on Azure for IPSec VPN — Part 1
Deploying StrongSwan on an Ubuntu VM in Azure to establish a policy-based IPSec VPN tunnel to an on-premises Cisco IOS-XE router.
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Discontiguous Deployments of VXLAN over an IGP
How to extend a VXLAN fabric across enterprise WAN and campus networks without redesigning the core.
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VXLAN EVPN on Catalyst Switches
Setting up a basic VXLAN EVPN deployment on Cisco Catalyst switches using MP-BGP EVPN as the control plane.
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Passing the ENARSI
My experience studying for and passing the CCNP ENARSI (300-410) exam, including resources and what to expect.
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My First Post
Hello world — the first post on this blog.