We often say in IT that it either works or not. That it’s “1” or “0”. In the past few days, I encountered this “once in a lifetime” case, where a wierd application problem had to be drilled down to the binary level to be diagnosed and solved. How lucky am I? Cisco ACI IP… Continue reading A real world “bit flip” case
Tag: Network
VLAN trunks on RHEL 8
Last week, I had to configure a new KVM hypervisor running on a Red Hat Enterprise Linux 8.5 server that would host VMs from multiple VLANs/subnets. This type of configuration is pretty easy to do in VMWare ESX, having a virtual switch trunked to the physical world. But in RHEL-based distributions, if you want to… Continue reading VLAN trunks on RHEL 8