ONT Notes - Pre-classify and End-to-end QoS
·2 min read
VPNs (Didn’t ISCW cover this?) Provide Confidentiality Integrity Authentication Types Remote-access Client-initiated NAS-initiated Site-to-site LAN-to-LAN Extranet L3 Tunneling protocols GRE …
Certification
ONT Notes - Congestion Avoidance, Policing, Shaping, and Link Efficiency
·2 min read
Tail drop drawbacks TCP synchronization - Dropping TCP packets from different flows can cause them all to window down and back up again at the same time in cycles. TCP starvation - Non-TCP or …
ONT Notes - Queuing
·3 min read
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 …
ONT Notes – Classification, Marking, and NBAR
·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 …
ONT Notes - Intro to QoS
·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 …
ONT Notes - VOIP Networks
·8 min read
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. …
ISCW Down, Three To Go
·4 min read
I took and passed the ISCW test today. I was super-nervous going into it, which is weird for me, but I finally calmed down after the first few questions. Here’s my take. I don’t want to …
The Cisco Network Hierarchical Model
·3 min read
I got my CCNP certification library the other day to finally get myself another cert, so I’ve been doing some reading of late. The thing I hate about certs is that, even if you have all the …