Cisco
What Happens When a Cisco DNA License Expires?
Separate continued switch operation from subscription entitlements, then decide whether to renew, change tier or run with the licensed network stack.
Cisco Articles
Buying guides and price comparisons for Cisco.
Cisco
Cisco Network Essentials vs Network Advantage
Choose a Catalyst network license by routing, segmentation and operational requirements, then check the separate DNA or unified subscription on the quote.
Cisco
Cisco 8100 vs 8200 Secure Routers: Buying Guide
Choose a Cisco 8100 or 8200 Secure Router by WAN handoff, security throughput, expansion and licensing. Includes a practical branch buying checklist.
Cisco
Cisco Nexus vPC Guide: Configuration, Failure Tests and Troubleshooting
Build a classic Nexus vPC lab, separate peer-link and keepalive roles, and verify the failure behavior before connecting production workloads.
Cisco
Cisco C9350 vs C9300X: Which Switch Should You Buy?
Compare Cisco C9350 and Catalyst C9300X for a campus refresh: stacking compatibility, Wi-Fi 7 access, PoE, subscriptions and the complete purchase cost.
Cisco
Cisco C9350 Smart Switches: Model and Buying Guide
Choose the right Cisco C9350 Smart Switch for 1G, multigigabit, Wi-Fi 7, UPOE+, fiber and high-density access, including stacking, uplinks and licensing.
Cisco
Cisco Catalyst 1200 vs 1300 vs 1300X
Compare Cisco Catalyst 1200, 1300, and 1300X switches by routing, stacking, multigigabit ports, PoE budget, uplinks, and the branch or SMB networks each tier fits best.
Cisco
Cisco Catalyst 9000X: Models, Features and Migration
Cisco's Catalyst 9000X generation brings Silicon One-based core switching, 100G/400G uplinks, and line-rate encryption to the campus. Here's what changed across the 9300X, 9400X, 9500X, and 9600X.
Cisco
Cisco Secure Firewall 1200 Model Comparison
Compare Cisco Secure Firewall 1210, 1220, 1230, 1240, and 1250 appliances by threat-defense throughput, VPN, TLS decryption, interfaces, sessions, form factor, and branch size.