Tag: voip

ONT Notes – Queuing

Here are some more notes from my studies.  Of course, no one cares about them but me, but it’s my blog.  I’m sure someone will find it useful.  Please help to correct dumbass mistakes. Congestion Speed mismatch – traffic leaves…

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…

ONT Notes – Intro to QoS

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 queue based on classification and marking: QoS Compress: cRTP, TCP header compression, etc.…

ONT Notes – VOIP Networks

Here are some of the notes I’ve been taking while reading over the ONT book. I hope it benefits somebody.  Feel free to correct any stupid mistakes as a paraphrase to avoid a lawsuit. There’s way too much info here. …

Cisco IP Phone Videos at Blindhog.net

Josh over at Blindhog.net has an article linking to a bunch of Cisco IP Phone videos — from the 7906 to the 7975. These are Cisco videos and a good place to start if you don’t know anything about their…