Networking May 5, 2026
Multi-Area OSPF in GNS3: A Cisco + Juniper Multivendor Lab
Build a multi-area OSPF network in GNS3 across three network operating systems — Cisco IOS, IOS-XE and Juniper Junos. Area 0 backbone, an ABR, the multivendor gotchas that break adjacency, and the show commands that prove it works.
Networking March 18, 2025
OSPF vs EIGRP: Choosing the Right Interior Routing Protocol
Both OSPF and EIGRP can route your internal network well — but they get there very differently. Here is a practical guide to picking the right one for your topology.