From End-of-Life to Next-Level Campus: A Practical Cisco Switch EOL Migration Guide
Why EOL Matters and How to Assess Your Environment When a Cisco switch reaches EOL (End-of-Life) or EOS (End-of-Sale), the real deadline isn’t the day you stop buying it—it’s the moment software maintenance ends and security fixes become scarce. Past that point, vulnerabilities accumulate, TAC options narrow, and spare parts become a scavenger hunt. For…