The musings of an IT Consultant:



August 31, 2011  7:05 PM

HP A-Series Switches

Posted by: Raj Perumal
3Com, A-Series, Cisco, enterprise, H3C, HP, routers, routing, switches, switching

Hi folks! So recently I went away on some HP A-Series switch training. I was out in Toronto at some training provided by Avnet. The training was very comprehensive, and I got to learn a  lot of great things about HP's new series of enterprise switches which they acquired from the 3COM/H3C...

December 31, 2010  8:58 PM

Having network traffic flow issues?

Posted by: Raj Perumal
network slowdowns, spanning tree, switches

Hi folks! One of the common problems people run into in their networks is when they have many switches of multiple brands interconnected across their network with many loops. This can sometimes cause a lot of issues in the way traffic flows across the network. This can cause network slowdowns...

August 31, 2010  3:31 PM

Spanning Tree and Switches

Posted by: Raj Perumal
spanning tree, switches

Hi folks, so you are on a new network project and you need to spec out some switches. How many ports do you need? Well you need to think about how many ports you need not just for computers or other devices, but for uplinks and spanning tree as well. One of the most common issues is people...

October 31, 2009  9:00 PM

Is your data network ready for VoIP?

Posted by: Raj Perumal
call manager, Catalyst, Cisco, data, data network, engineers, IT, PBX, phones, POE, QOS, switches, switching, voice, voice network, VoIP

Hi folks! One of the greatest things about today's network is that it seems to be able to handle anything. It doesn't seem to matter what you want to do on your network, there is always a technology around the corner that can make it happen for you. Well one of the most common things happening...

August 31, 2009  2:43 PM

VTP – should you use it?

Posted by: Raj Perumal
Cisco, switches, Vlan Trunking Protocol, VTP

Hi folks! So welcome to the wonderful world of networking! You buy that fancy brand new Cisco switch and you think to yourself, "I have this cool feature called VTP (Vlan Trunking Protocol) and I want to use it to automatically deploy vlans across all of my switches! This will save me tons of...

July 31, 2009  8:52 PM

More Cisco gear for the SMB world!

Posted by: Raj Perumal
cheap, Cisco ESW 500, gigabit, POE, SMB, switch, switches, VoIP

Hello again folks! Cisco is once again bringing great product to the market place. This time hitting the SMB market with a new series of switches called the Cisco ESW 500 series. These switches are all manageable from GUI utilities without the need for CLI. They are also priced at a great price...

July 31, 2009  8:32 PM

Aggregating links on Cisco switches

Posted by: Raj Perumal
aggregated links, Catalyst, Cisco, etherchannel, HP, ProCurve, switch, switches

Hello again folks! So you've just recently got your purchase approved for a brand new set of switches and you want to find a way to increase your throughput. What do you do? You aggregate links of course! Aggregating links is a common thing done on high end switches such as Cisco or HP switches...

June 30, 2009  12:22 PM

Extended vlans in Cisco switches

Posted by: Raj Perumal
1001, 4095, Cisco, extended vlans, switches, version 2, version 3, vlan range, vlans, VTP

For those of you venturing into switching for the first time, one of the things that can be hard to wrap your head around if you're just a beginner is vlans. Vlans are great ways to make the management of your network a lot more organized, and are used everywhere in this world. You're not going to...


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