STP, RSTP, MST, PVST all share one common thing which is almost never discusses and rarely documented. The priority value in the BID. MST – Multiple spanning-tree. I had to dig to find stuff on this, there isn’t a lot of documentation around for MST. A good video that explains the basics can be found … More STP’s Bridge ID

What a horror! Encountered a nasty one with Network Address Translation Overload, took me a while to figure this one out. NAT Overload The Scenario: WWW : 209.65.200.241/29 ISP : 209.65.200.254 /29        : 209.65.200.226 /30  R1  : 209.65.200.225 /30        : 10.1.1.1 /30  R2  : 10.1.1.2 /30 —————————————————————————————————————————- As you can see, R1 has … More NAT / PAT

Spent the last 10 years in the server world with some network knowledge and like most server engineers / MCSE / MCITP folk, i thought i knew it all. Yes sir i can ping and i can sub-net and i can do port forwarding, i even know all the well known ports, oh by the … More Introduction