Qos

ONT Notes – Classification, Marking, and NBAR

2010-01-22 ·3 min read

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 …

642-845 autoqos ccnp certification cisco classification diffserv dscp marking ont policing qos test voice voip

ONT Notes - Intro to QoS

2010-01-21 ·3 min read

I’ll try to keep it a little shorter this time. Major issues for converged enterprise networks Available bandwidth: competition among applications Fixes Increase bandwidth: More power! Properly …

642-845 autoqos ccnp certification cisco diffserv intserv ont qos test voice voip

Cheat Sheets from Packetlife.net

2008-05-28 ·1 min read

My friend Josh over at blindhog.net has found a collection of cheat sheet gems for the network dude(tte). There’s sheets on BGP, OSPF, Subnetting, QoS, connector types, and more. Check it out. …

eigrp lan qos routing switching vlans vpn

Qos Priority

2008-04-08 ·3 min read

We just talked about tagging traffic and policing traffic, but we haven’t talked about prioritizing traffic. Tagging just sets a value in the header. Policing sets a “bandwidth …

qos

QoS Policing

2008-04-07 ·3 min read

We covered QoS tagging the other day, but that just marks packets. I think you’re old enough now that we should actually do some policing. Policing is where you restrict the amount of bandwidth …

ios qos

Qos Tagging

2008-04-06 ·4 min read

I’ve been trying to get some experience on Cisco VOIP, and, as you probably know, Quality of Service (QoS) is quite important in that realm. Since VOIP is very time-sensitive, you have to be …

ios qos