JavaScript seems to be disabled in your browser. For the best experience on our site, be sure to turn on Javascript in your browser.

Get the Help and Supports!

This help center can answer your questions about customer services, products tech support, network issues.
Select a topic to get started.

Articles by tag "SFP not working"

How to Fix: Cisco 9300 SFP Port Not Working
Selene Gong

12
Unresponsive or non-working SFP (Small Form-Factor Pluggable) ports on Cisco Catalyst 9300 switches are a frequent challenge in enterprise network environments. Symptoms include ports showing a status of "down, notconnect" or no link light activity despite proper physical connections and basic ...