IoT ACL on Cisco 3750 L3 Switch

Posted on Posted in Cisco

Here is a quick example I’m using to segregate my IoT vlan from the rest of the network. If you’re on the latest IOS version you can use object groups to simplify the RFC1918 rules seen below. The following communication flows are allowed: vl10 <–> vl20 all traffic vl10 <–> internet vl20 <–> internet vl50 […]

TFTP + CentOS 7 + SELinux

Posted on Posted in CentOS, Cisco

Welly, well, well…when in need of a TFTP server why not build your own, leave SELinux enabled, create a custom repo, fight against SELinux, find some help on the internets, and end up spending up way too much time on what was supposed to be a quick task. I’m sure this page will get four […]