I just configured some IPSec tunnels to connect the management network to our company's local network and stumbled over a well known problem: I can ping hosts "behind" the router doing IPSec, but I cannot ping the router itself. Read why and how to circumvent this issue.
When I moved to Freiburg some years ago, I ordered my internet access from Arcor. Some time ago Arcor was bought by Vodafone and I involuntarily became a Vodafone customer. The transition from Arcor to Vodafone went smoothly, but now, I'm experiencing odd issues with my Vodafone line...
The AAM1212-51 comes with 12 ADSL2+ and 2 Ethernet ports. Every ADSL port is capable of handling up to 24MBit/s traffic. In default configuration, 4 fully loaded ADSL ports will saturate one ethernet port. So, how to share the load over the two ethernet ports?
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.
One cable and three networks which must be able to transport data over it. This is a typical use case for VLANs. Unfortunately, I the hardware in use is no dedicated switch hardware but RouterBoards. Let's see if we can create VLANs with it anyway.