I worked a lot with asterisk when it came to provide VoIP. As there a plans to provide VoIP via WebRTC too and asterisk didn't prove to be very well suited because of SIP incompatibilities, I decided to have a look at FreeSWITCH.
To see to what extent the jumpnet is used and to determine the utilization of Jens' internet connection (he's the hub in our hub-and-spoke network topology) we need a simple traffic graphing tool. This is where MRTG comes into play. This article describes how to configure MRTG and MikroTik to graph the traffic.
Do you know this scenario: Every time you want to try something out, you need to install linux on some hardware. After you've played around, the system is in a somehow messy state. The next time you want to try something, you need to start over...
I don't have time for this anymore and wanted to be more flexible. In the past I read a lot about qemu and kvm, so let's give it a try.
One cable and three networks which must be able to transport data over it. This is a typical use case for VLANs. Unfortunatelly, I the hardware in use is no dedicated switch hardware but RouterBoards. Let's see if we can create VLANs with it anyway.