Articles by tag "IOS XE"

1. How to Fix Cisco 9300 All PoE Ports Go Out for 1 Second?
   Selene Gong

   12
   Are you facing a frustrating issue where all PoE ports on your Cisco 9300 go down for 1 second? Devices like IP phones, wireless access points, or security cameras may suddenly lose power—only to restore themselves moments later. This short but system-wide power outage is not a single-port ...
2. Can a Cisco Catalyst 9300 Be Configured for DHCP?
   Selene Gong

   4
   The Cisco Catalyst 9300 series switches can indeed be configured for Dynamic Host Configuration Protocol (DHCP) services. They can operate as a DHCP Server to assign IP configurations to clients or as a DHCP Relay Agent to forward DHCP messages across network segments. This flexibility helps ...
3. Troubleshooting Cisco C9300-NM-8X: Why Your Module's LEDs Aren't Lighting Up During POST
   Selene Gong

   20
   When deploying or troubleshooting Cisco Catalyst 9300 switches, many IT administrators wonder: "Should the Cisco C9300-NM-8X module’s LEDs light up during POST?" Yes, during POST (Power-On Self-Test), the C9300-NM-8X’s LEDs should illuminate briefly if the module is recognized and ...
4. How to Fix: Cisco 9300 SFP Port Not Working
   Selene Gong

   20
   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 ...
5. Power Controller Reports Power Imax Error Detected on Cisco 9300
   Selene Gong

   24
   What Does "Power Imax Error Detected" Mean? The "Power Imax Error Detected" message on a Cisco Catalyst 9300 switch usually indicates that a PoE (Power over Ethernet) port has drawn more current than the configured or hardware-supported limit. This triggers the power controller to shut down the ...
6. How to Use cisco show boot variable commit Command?
   Selene Gong

   19
   The specific command cisco show boot variable commit is not officially documented in Cisco's command references. In Cisco IOS and IOS-XE environments, boot variables are typically managed using the boot system command and confirmed with show boot or show bootvar. Persistence is ensured by saving ...