Interface numbering with the module module WS-X6904-40G Cisco Catalyst 6900 Series 40 Gigabit Ethernet .

Usually the interface numbering for Cisco equipment is pretty strait forward. It is interface Type chassis/Slot/port number or Type switch/module/port number  I.e. interface Gi1/0/1 will refer to port 1 of a catalyst 2960s or cat3750, in the case of a Catalyst 6500, interface Gi1/1/1 to port 1 of the module/blade 1 in the chassis #1 of …

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Question à demander à votre fournisseur de Cloud Computing

Ce blog est une traduction du podcast no 55 des Packets pushers (http://www.packetpushers.net). Le sujet de ce podcast est "Les questions que vous devriez demander à votre fournisseur de Cloud Computing" et comme j'ai trouvé le sujet intéressant et j'ai demandé la permission de traduire les grandes lignes de ce podcast. Définition du Cloud Computing? …

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Using Cisco Ace server 4710 to load balance Siemens Simatic 400 PCL computer

Using a Cisco Ace server 4710 to load balance Siemens Simatic 400 PCL computer, the configuration is the following, 2 servers are configured in an Active/Passive mode and need to poll two different controllers that are monitoring the same device on a industrial network. The Siemens Simatic 400 PCL consist of a chassis with 9 …

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Brocade Virtual Cluster Switching revisited

I have been to a deeper presentation of the Brocade VDX switches that implement the VCS (Virtual Cluster Switching), and here is a resume of what that system does. This post is an updated and more complete than the previous post Brocade VCS or what I understood VDX system consist of three concepts, Ethernet Fabric, …

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Does your organisation have an End of Life (EOL) policy for networking equipment?

One of my latest contracts had me evaluate the state of the actual network and evaluate the cost of replacing EoL equipment. After reviewing the equipment list, scanning and SNMP polling the network to find any discrepancy. We came up with a fairly large amount of switches that was not only in the EOL cycle …

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la boule de cristal de John Chamber

Je suis présentement à Cisco Live, j'ai eu l'opportunité de discuter avec M. John Chamber, CEO de Cisco System. M. Chamber semble pouvoir prédire l'évolution des technologies en TI. Voici quelques examples qui à prédit dans les dernières années et qui se sont réalisées début 2000, téléphonie IP, Voix, Vidéo et Données sur un même …

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