This is the weekly Network freak roundup for 2026-W40. It collects the latest practical networking articles published this week, so the X feed can stay quiet while readers still get all links in one place.
This week's articles
- Palo Alto SSL Decryption Breaking Applications: Troubleshooting Matrix and Exception Checklist
- EIGRP Stuck in Active Explained: SIA Troubleshooting and Prevention
- RoCE PFC Buffer Sizing Guide: 400G Headroom Worksheet and ECN Checklist
- EIGRP Metric and K-Values Explained: Formula, Examples and Troubleshooting
- F5 BIG-IP Server SSL Handshake Failed: SNI and Certificate Troubleshooting Matrix
- Route Redistribution Risks Between OSPF, EIGRP and BGP: Loops, Tags and Metrics
- Panorama Out of Sync: Commit and Push Troubleshooting Checklist
- Administrative Distance vs Metric vs Longest Prefix Match Explained
- Slurm Job Pending with Idle GPUs: A 256-GPU Sizing and Troubleshooting Checklist
- Palo Alto User-ID Wrong User: IP Mapping Troubleshooting Matrix
- NAT vs PAT vs Static NAT vs DNAT Explained with Packet Flow
- F5 BIG-IP Client IP Missing: X-Forwarded-For Troubleshooting Checklist
- IPsec Phase 1 vs Phase 2 Explained: SAs, Crypto Maps and IKEv2
For topic hubs, see Start Here, Data Center Networking, AI Infrastructure & Automation and BGP Table Watch.
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