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I thought it would be fun to pilot a series of posts where I pick out interesting search engine queries that were used to find my blog.  Often times these are good questions that deserve a good answer, or other interesting topics that can start a good discussion or fun debate.
This particular series will focus [...]

I had an interesting discussion with a customer the other day where both Cisco (myself included) and HP account teams where on the same call to discuss Flex-10, Nexus 1000V, or other approaches that may work better. — Yeah, awkward.
Anyway, for most of the time we (the Cisco team) focused on Flex-10’s total lack of [...]

RFC 2597 defines a group of DSCP settings called “Assured Forwarding” Per Hop Behavior (PHB) to be recognized by RFC compliant DSCP routers and switches called DS nodes. The Assured Forwarding PHB class is presented as AF(xy), where x=traffic class, and y=drop precedence. 4 traffic classes, and 3 drop precedences are defined. For example, AF21 [...]

Tags: dscp, QoS