FirstPassLab - DEV Community

FirstPassLab

Apr 13

AI Can Generate the Network Config. The Real Job Is Validating It Before Production

#networking #automation #ai #devops

5 min read

FirstPassLab

Apr 13

Oracle Is Funding 131K-GPU Clusters. Here’s Why RoCEv2 Fabrics Just Became a Board-Level Problem

#networking #ai #devops #cloud

5 min read

FirstPassLab

Apr 12

Google Bought Wiz for $32B. Here's Why Cloud Network Engineers Should Care

#security #networking #cloud #devops

8 min read

FirstPassLab

Apr 12

Cisco SD-WAN Is Under Active Attack: 3 Exploited Catalyst Manager CVEs and the Patch Plan

#security #networking #cisco #devops

5 min read

FirstPassLab

Apr 11

Zero Trust Is Killing the Perimeter Playbook, Not Network Security Engineering

#security #networking #cisco #zerotrust

5 min read

FirstPassLab

Apr 11

Your GPUs Aren’t the Bottleneck, Model Delivery Is: Fixing AI Distribution on Kubernetes

#networking #kubernetes #devops #ai

7 min read

FirstPassLab

Apr 10

Cisco Just Patched 48 Firewall Bugs in ASA, FTD, and FMC. Here's the Management Plane Lesson.

#security #networking #cisco #devops

5 min read

FirstPassLab

Apr 10

Build a Cisco ISE 3.x Lab on EVE-NG: Sizing, First Boot, and Your First 802.1X Test

#networking #security #cisco #tutorial

5 min read

FirstPassLab

Apr 9

Why More Data Center Teams Are Choosing NX-OS VXLAN EVPN Over Cisco ACI in 2026

#networking #cisco #datacenter #devops

5 min read

FirstPassLab

Apr 9

What Google’s 2025 Zero-Day Report Means for Network Security Engineers

#security #networking #cisco #devops

5 min read

FirstPassLab

Apr 8

How Network Engineers Break Into Automation: Python, Ansible, NETCONF, and the Road to CCIE Automation

#networking #automation #python #cisco

8 min read

FirstPassLab

Apr 8

Cisco ASA vs FTD in 2026: NAT, VPNs, Policy Workflows, and Which to Learn First

#networking #security #cisco #tutorial

12 min read

FirstPassLab

Apr 7

NAC Is Moving Into the Fabric: What Nile’s Segment-of-1 Means for Campus Security

#networking #security #cisco #zerotrust

1

4 min read

FirstPassLab

Apr 7

CML vs GNS3 vs INE: How Network Engineers Should Build Labs in 2026

#networking #cisco #devops #tutorial

1

5 min read

FirstPassLab

Apr 4

22 Fortinet Patches, 2 Ivanti Auth Bypasses, 9 Intel UEFI Bugs — Your March 2026 Patching Cheat Sheet

#security #networking #devops #tutorial

4 min read

FirstPassLab

Apr 3

SRv6 uSID Is Replacing MPLS at Scale — Here's How to Migrate with Working IOS XR Configs

#networking #cisco #tutorial #devops

1

6 min read

FirstPassLab

Apr 3

9 AppArmor Kernel Bugs Hidden Since 2017 — Root Escalation, Container Escape, and 12.6M Linux Systems Exposed

#linux #security #kubernetes #devops

5 min read

FirstPassLab

Apr 2

386 Global Outages in One Week: What ThousandEyes Q1 2026 Data Reveals About Modern Network Fragility

#networking #devops #security #infrastructure

6 min read

FirstPassLab

Apr 2

Why Multi-AZ Failed: Lessons from the First Kinetic Attack on a Major Cloud Region

#cloud #aws #security #devops

5 min read

FirstPassLab

Apr 1

Stop Accepting BGP Routes on Trust Alone: Deploy RPKI ROV on IOS-XE and IOS XR Today

#networking #security #cisco #tutorial

5 min read

FirstPassLab

Apr 1

Ditch the vPC Peer-Link: EVPN ESI Multi-Homing on Nexus 9000 with NX-OS 10.6.x (Config + Verification)

#networking #cisco #datacenter #tutorial

6 min read

FirstPassLab

Mar 31

Volt Typhoon Weaponized SOHO Routers at Scale — Here's Your Zero-Trust Playbook for the Remote Edge

#security #networking #devops #tutorial

1

6 min read

FirstPassLab

Mar 31

Equinix's 280-DC AI Fabric Just Changed the DCI Game — Here's the Architecture Under the Hood

#networking #datacenter #devops #cloud

1

4 min read

FirstPassLab

Mar 30

An AI Hacker Beat 99% of Humans in 6 CTF Competitions for $12.92 Each — Here's the Defensive Playbook

#security #ai #networking #tutorial

1

7 min read

FirstPassLab

Mar 30

One Antenna, 16 Beams: How Metamaterial RF Lenses Are Replacing Hundreds of Wi-Fi APs in Stadiums

#networking #wifi #devops #tutorial

1

5 min read

FirstPassLab

Mar 29

From BIG-IP to Kubernetes: What F5's CNCF Gold Membership Signals for Network Engineers

#kubernetes #nginx #cloudnative #networking

1

4 min read

FirstPassLab

Mar 29

Kubernetes Is Now the OS for AI — Here's What That Means for Your Network Fabric

#kubernetes #networking #ai #devops

1

6 min read

FirstPassLab

Mar 28

Your BGP and OSPF Skills Are Worth $150K–$208K in Cloud Architecture — Here's the Career Map

#networking #cloud #devops #career

1

5 min read

FirstPassLab

Mar 28

GPUs in Every PoP: Inside Cato Neural Edge and the Shift to GPU-Accelerated Cloud Security

#security #networking #ai #cloud

1

5 min read

FirstPassLab

Mar 27

Cisco ACI vs VMware NSX in 2026: Architecture, Microsegmentation, and Automation Compared

#networking #cisco #devops #datacenter

2

6 min read

FirstPassLab

Mar 26

Your Remote Workers' Home Routers Are Now Officially a National Security Threat — FCC Compliance Playbook

#security #networking #devops #sysadmin

1

4 min read

FirstPassLab

Mar 26

Stop Using the APIC GUI: Automate Cisco ACI with Terraform and Nexus-as-Code

#terraform #networking #cisco #tutorial

2

5 min read

FirstPassLab

Mar 25

FlexVPN vs DMVPN: Architecture, Working IOS-XE Configs, and When to Use Each

#networking #security #cisco #tutorial

1

8 min read

FirstPassLab

Mar 24

GPU-Powered SASE Is Here: How $97B in Spending Is Reshaping Network Security Architecture

#security #networking #cloud #devops

4 min read

FirstPassLab

Mar 24

Build Your First Network Automation Lab: Python + NETCONF on Cisco CML (With Working Code)

#python #networking #tutorial #automation

6 min read

FirstPassLab

Mar 23

Build a Full Cisco SD-WAN Lab on EVE-NG: vManage, vBond, vSmart, and cEdge from Scratch

#networking #cisco #tutorial #devops

6 min read

FirstPassLab

Mar 22

Microsoft's MOSAIC: How MicroLEDs Could Replace Lasers and Cut Data Center Networking Power by 68%

#networking #datacenter #ai #hardware

5 min read

FirstPassLab

Mar 22

Wi-Fi 7 Just Captured 40% of Enterprise AP Revenue — Here's What Actually Changed in 12 Months

#wifi #networking #infrastructure #wireless

5 min read

FirstPassLab

Mar 21

Ubiquiti UniFi CVE-2026-22557 (CVSS 10): Three Max-Severity Flaws in One Year — Your Management Plane Is the Attack Surface

#security #networking #devops #sysadmin

1

4 min read

FirstPassLab

Mar 21

Cisco FMC Zero-Day CVE-2026-20131: Ransomware Exploited It for 36 Days Before Anyone Knew

#security #networking #cisco #devops

1

4 min read

FirstPassLab

Mar 21

Build a Cisco FTD + FMC Firewall Lab on EVE-NG — From Zero to First Access Policy

#networking #security #cisco #tutorial

5 min read

FirstPassLab

Mar 18

Why 82% of Network Automation Projects Fail (and What the 18% Do Differently)

#networking #devops #automation #tutorial

1

4 min read

FirstPassLab

Mar 18

The $19K/Year Cloud Tax You're Probably Not Tracking: Egress, IPv4, and NAT Gateway Fees Compared

#cloud #aws #devops #networking

1

5 min read

FirstPassLab

Mar 18

Implementing Zero Trust with SGT-Based Micro-Segmentation: ISE + TrustSec from 802.1X to SGACL

#networking #security #cisco #tutorial

1

5 min read

FirstPassLab

Mar 18

DNS Exfiltration from AWS Bedrock "Sandboxed" Code Interpreters — and AWS Says It's Fine

#security #aws #cloud #networking

4 min read

FirstPassLab

Mar 18

Provisioning VXLAN EVPN Fabrics with Cisco NDFC: Easy Fabric Workflow Explained

#networking #cisco #tutorial #devops

1

5 min read

FirstPassLab

Mar 18

IS-IS vs OSPF: Why Every Major Service Provider Chose IS-IS (and How It Powers Segment Routing)

#networking #cisco #tutorial #devops

1

5 min read

FirstPassLab

Mar 18

How Cisco SDA Actually Works: LISP Control Plane + VXLAN Data Plane + TrustSec Policy in One Fabric

#networking #cisco #security #tutorial

1

5 min read

FirstPassLab

Mar 17

Build a Hybrid Cloud Lab: AWS VPC + Cisco Catalyst 8000V + BGP for Under $2/Day

#networking #aws #tutorial #cloud

6 min read

FirstPassLab

Mar 17

MACsec 802.1AE: The Wire-Speed Encryption Most Engineers Have Never Configured

#networking #security #cisco #tutorial

1

5 min read

FirstPassLab

Mar 17

AWS Transit Gateway vs Azure Virtual WAN vs GCP NCC: A Side-by-Side for Network Engineers Going Multi-Cloud

#networking #aws #azure #cloud

1

4 min read

FirstPassLab

Mar 17

How NVIDIA Spectrum-X Ports InfiniBand Tricks to Ethernet for AI Fabrics

#networking #ai #devops #tutorial

4 min read

FirstPassLab

Mar 17

RoCE vs InfiniBand: Why Ethernet Is Winning the AI Data Center Networking War

#networking #ai #devops #tutorial

4 min read

FirstPassLab

Mar 17

Build a VXLAN EVPN Leaf-Spine Fabric Lab on EVE-NG with Nexus 9000v — Complete NX-OS Walkthrough

#networking #cisco #tutorial #devops

1

7 min read

FirstPassLab

Mar 17

Building a Network Digital Twin with Batfish, ContainerLab, and Suzieq — A Practical Guide

#networking #devops #opensource #tutorial

4 min read

Writing Debut