NetFlow is a network protocol developed by Cisco for collecting IP traffic information and monitoring network traffic. By analyzing flow...
Below are some examples pulled from a working configuration. Enjoy!...
BPDU Filter vs. BPDU Guard: What Is the Difference? Both BPDU Filter and BPDU Guard are Spanning Tree Protocol features...
Cisco NX-OS, the network operating system running on Nexus series switches, offers powerful troubleshooting tools to network administrators. Among these...
Cisco Application Centric Infrastructure CLI Commands (APIC, Leaf/Spine) Clustering User Commands <controller> – shows the current cluster size and state of...
=====Verify port status: show int status show interfaces Gi1/0/1 status...
1. Identify the issue: Do your best to get all the data possible to help troubleshoot the issue. 2. Determine...
This will upgrade from 5.1 to 7.3. Unfortunately because the IOS is so far back, you can’t use ISSU....
Scenario: We have a subnet configured in the “Allowed prefixes,” a /16. You can’t change the size of a subnet...
In my case I was troubleshooting an interface that had to be 100Mb. But these commands can be used on...