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After the experience with a wedged router interface (see prior post: Cisco Router Interface Wedged ), several of us at Netcraftsmen were discussing etherchannel load balancing and what to recommend to customers and how to check the setting in network...
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While doing some other research recently, I ran across the Bridge Assurance feature in Cisco gear, which was new to me. Cisco has been working on ways to avoid STP melt-down and Bridge Assurance is another tool to help network administrators keep networks...
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I attended a Cisco event yesterday titled "Cisco Tech Days." It was an all-day seminar by Cisco SEs on two areas of technology: Advanced Campus Topics Branch-WAN Topics It was a good day of presentations (I stuck with the Advanced Campus track...
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One of the security factors I’ve heard espoused about IPv6 is that the large address space (128 bits: 64 bits of network and 64 bits of host address) makes it impossible to scan the network for hosts. On initial inspection, this seemed like a reasonable...
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Good network design follows long-established principles like hierarchical design and information hiding. Basic network protocols exhibit this through data encapsulation. Lower layers hide their operation from the upper layers, allowing changes in the...
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