Final steps on BSCI

I feel that my study time is decreasing. Maybe it’s time to wrap knowledge up, watch CBT Nuggets and have a practice exam. I plan to write the exam on thursday. Read More »



Here’s the lab. I got a problem running EIGRP after several changes. It seems that no router would establish neighborships anymore. The “debug eigrp packet hello” on HQ router showed that it does not receive hellos out its serial interface.However, ... Read More »

ISDN Simulator

For my CCNP BSCI studies, I needed to have some hands on ISDN technology in order to remember the IOS commands. All simulation software that I worked with (Boson Netsim, Packet Tracer,¬†RouterSim Network Visualizer) were great for CCNA studies. However, ... Read More »

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