The problem of unequal-cost load-balancing Have you ever wondered why among all IGPs only EIGRP supports unequal-cost load balancing (UCLB)? Is there any special reason why only EIGRP supports this feature? Apparently, there is. Let’s start with the basic idea of equal-cost load-balancing (ECLB). This one is simple: if there are multiple paths to the same destination with equal costs, it is reasonable to use them all and share traffic equally among the paths. Alternate paths are guaranteed to... Read More
Below is a link to a presentation from this year's Defcon in regards to the inherent insecurity of BGP prefix advertisements on the Internet.  This is of course old news to most of us but still an interesting presentation. Read More

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