The Insecure Wire

a network engineers perspective

Monthly Archives: September 2018

Multihoming Cisco 2K FEX with 5K Fabric

Recently we moved our data centre which is a Cisco UCS and Nexus Fabric design. After a very long day moving gear and reconnecting it all back up we couldn’t understand why one of our FEX’s kept flapping from the 5K fabric. The 5K fabric is multi homed to 2 FEX switches each in its […]