Author Archives: Dominik

About Dominik

Network problem solver

News: Avaya announced their ONA Open Network Adapter

Posted on 02/26/2015 by Dominik

Avaya has announced a new product wich is called ONA Open Network Adapter. It is an small form factor SDN Adapter wich is based on Open vSwitch. It is designed to bring plug-n-play connectivity for network devices. Basically Avaya is … Continue reading →

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AVAYA VSP Software Update 4.1

Posted on 02/17/2015 by Dominik

AVAYA has released a new VOSS Software for their VSP8000 and VSP4000 Switches. Like most software updates it has some new features and bugfixes on board. The VOSS image that runs on several VSP devices is a Linux based operating … Continue reading →

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Networking Field Day #NFD9

Posted on 02/09/2015 by Dominik

Im looking forward to the next Networking Field Day that is starting next week. Stephen Forskett @SFoskett and the crew from Gestalt IT has thrown thogheter an imopressiv lineup. I really like the concept of the Tech Field Day events. The vendors … Continue reading →

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Multichassis Link Aggregation in a SPB Fabric

Posted on 02/04/2015 by Dominik

A decade ago Nortel introduced with the SMLT technology the first Multichassis Link Aggregation Technology. Today most of the major Vendors have a multichassis link aggregation technology in their portfolio like VSS / VPC from Cisco or IRF from HP. … Continue reading →

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Logging and Beyond

Posted on 01/29/2015 by Dominik

I was burned many times after a faulty box has rebooted and all stored logs where lost.  For troubleshooting it is very important to have all relevant log data directly accessable. To have logs only stored on the productive devices … Continue reading →

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Network speed and VM NICs

Posted on 01/26/2015 by Dominik

I stumbled upon an interesting fact about the speed of VM NICs. In general I suggest that the maximum bandwith that a NIC can send or receive is limited on the interface speed. So an Intel Pro/1000 Interface NIC on … Continue reading →

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Connectivity Fault Management for SPBM

Posted on 01/21/2015 by Dominik

IEEE 802.1ag CFM or Connectivity Fault Management is very popular in the provider space to troubleshoot MPLS networks. Avaya has implemented CFM for all their switches that runs SPBM. We are facing here the same problem that we have in … Continue reading →

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8 Rules for Network Autobahn Engineers

Posted on 01/20/2015 by Dominik

To run a network can be a hard challenge sometimes. It helps a lot when you stick to some generell rules and apply these to all the work and devices for that you are responsible. I have seen networks that … Continue reading →

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