Cisco NX-OS, the network operating system running on Nexus series switches, offers powerful troubleshooting tools to network administrators. Among these...
Traceroute is a convenient network diagnostic tool for tracking the pathway taken by a packet on an IP network from...
NetFlow is a network protocol developed by Cisco for collecting IP traffic information and monitoring network traffic. By analyzing flow...
Below I’m going to go over a simple BGP configuration that’s used with AWS Direct. You need to get the...
When it comes to Border Gateway Protocol (BGP), there’s a myriad of configuration options available to network engineers. One command...
In my case I was troubleshooting an interface that had to be 100Mb. But these commands can be used on...
Cisco can tell you the length of fiber compatible with the Transceiver you are using. sh int e1/1 transceiver Ethernet1/1...
fex 101 pinning max-links 1 description "FEX0101" fex 102 pinning max-links 1 description "FEX0102" interface port-channel101 switchport mode fex-fabric fex...
Scenario: We have a subnet configured in the “Allowed prefixes,” a /16. You can’t change the size of a subnet...
Layer 2 forwarding is a critical function in any switch or router. When troubleshooting L2 connectivity issues, the MAC address...