Cisco Converged Communications

I haven't had any time for the blog due to real life commitments since about November 2022, but I have been plodding along with bug fixe...

Over the years I've seen the CAPF Report in CUCM list incorrect certificate information quite a few times, which is awkward if you'r...

Due diligence is dull! Capturing before & after outputs when performing changes, then running a diff to spot possible issues is time con...

I changed jobs last year, so have been rather busy learning all kinds of new stuff related to low-latency networking. Anyway limited TCAM ca...

An incident model is a means to streamline & standardise the troubleshooting of critical business systems. As a guide it should include ...

MAC address table instability can impact a switch's performance & on lower end switches cause high CPU utilisation that may impact o...

A little toy project to entertain myself, as kept being asked to document & explain the ACLs on some perimeter routers. Takes the output...