Aaron's Worthless Words

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dscp

QoS Notes - IPP and DSCP Values

This is a study note post, so please don’t take this as written. I’m not the authority on the subject, so please correct me if needed. Back in the day, somebody decided that we all needed to have a Type of Service (ToS) field in the header of

ONT Notes - QoS On Wireless Networks

* Wireless LANs (WLANs) * Extensions to wired LANs * Carrier sense multiple access collision avoidance (CSMA/CA) as media access method * Uses distributed coordinated function (DCF) for collision avoidance * DCF is based on RF carrier sense, inter-frame spacing (IFS), and random wait timers * Wifi QoS standards * 802.11e * IEEE standard * 0-7 priority

ONT Notes – Classification, Marking, and NBAR

Here’s another set of notes from my ONT studies. I’m sure someone will find it useful. Please help to correct dumbass mistakes. * Classification is done with traffic desriptors * Ingress interface * CoS value on ISL or 802.1P frames * Source/destination IP address * IP Precedence or DSCP value * MPLS