Here’s another set of notes from my ONT studies.
Aaron's Worthless Words
It's possible that someone somewhere needs to know this.
A coworker wanted to move servers from one tier to another. There’s a really simple solution that you may not see since policy is in the way.
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 a lower-bandwidth interface than the one it came in on Aggregation problem – lots of […]
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 EXP Application type Layer 3 QoS Type of Service […]
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. Delay: Lead time to get a packet to the destination Types of delay Processing delay: […]
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. I’ll refine the process a little better for the next topics. Benefits of Packet Telephony […]
It seems that we have another piece of evidence that Cisco doesn’t like the CSM. From what I’m able to creatively interpret, the software developers didn’t think anyone would be running the CSM for very long, so they set a variable that expires CSM-inserted cookies at 01:01:50GMT on 1 January 20101. If you’re using cookies […]
Here we are at the end of another year. It’s been a pretty good one for me – the wife got a new job, we have a new house, we’re in good health. I hope that you, too, have had a great year. Here are some highlights from 2009 to read over while your boss […]
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 get into any trouble so I’m not going to include very much detail. The testing center wasn’t very good […]
I coworker sent over a link today that got me thinking about an old adage that I’ve been sharing for years. The link actually has nothing to do with the philosophy but did trigger a random spewing of words from my brain. Here’s what I tell everyone. When I deliver these lines, I usually picture […]