Basics of Troubleshooting VoIP (Part 1)
One of the difficulties we face when we put voice on IP-based networks is that different groups of administrators control parts of …
Do We Still Need Tech Controllers?
10 years ago, Tech Controllers (MOS 2821 and 2823) were the Marines who made comm happen. When I hit the fleet in …
SIP Trunking to the VX-900
SIP trunking to the VX-900 from a CallManager or CallManager Express (CME) is fairly straightforward*, up until the point where you try …
QoS Marking: How, Where, and Why
One of the follow-up questions I received from my last QoS post was: Where is traffic marked? Example: voice traffic marked at …
NFS and iSCSI Packet Captures
I got really excited when I learned about the native packet capture abilities our NetApp filers. I remember when I first started …
QoS Demystified
Quality of Service (QoS) was a topic that immediately caught my curiosity when I first learned about it. I’m pretty sure I …
Storage for VMware – Setting up iSCSI vs NFS (Part 2)
During part 1 of this post we covered the basics of shared storage and the configuration steps for NFS. Now we are …
Storage for VMware – Setting up iSCSI vs NFS (Part 1)
Nearly any conversation about VMware configuration will include a debate about whether you should use iSCSI or NFS for your storage protocol …
Looking at the Packets on Your NetApp
This is going to be a very short post, but I just finished attending a NetApp class and had something I couldn’t …
So Much Drama in the LPC
In the last year, I’ve had the same conversation no less than a dozen times about different units wanting 25k dedicated SATCOM …