Netw206 Wk 1 Assignment

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Support for High-Definition IP Cameras
Chadwick Neyland
DeVry University
NETW206: Introduction to Switching

Submitted to:
Professor: Yves Gollo
Date: 4 Sep 2012

The redesign of Devry’s campus network will be a large undertaking. With the requirement of adding Cisco 4300 IP cameras to the network, we will have to upgrade most of our equipment. The redesign will require the upgrade of most of our switching equipment over the entire campus, focusing on our packet switching network.
Using the Cisco three-layer hierarchical design mode, l will need to acquire new switches for the Access, Distribution, and Core layers. I am recommending that we use the Catalyst 3750 switch for our Access layer switch. This switch supports Power over Ethernet (PoE), 10/100/1000 ports, and has a backbone of up to 128Gbps. The PoE also supports IEEE 802.3af and up to 24 ports of 15.4 watts. (Note: The 4300 IP camera needs a max of 11 watts of power over PoE.)
For the Distribution and Core layers, I am recommending that we use the Catalyst 6500 switch. This switch works at both layers, so this will help save cabinet space and has a backbone of 720 Gbps. These switches also have redundant power supplies that are also hot-swappable.
Both the 3750 and 6500 series switches can utilize VLAN so that the video traffic can be isolated. They also use Quality of Service (QoS) so that video traffic can be prioritized. The 3750 series switches support Cisco StackWise technology; this will allow us to stack up to 9 switches, giving us the flexibility to grow the network in the future. The 6500 is also very modular and allows us to start small when needed and expand as the network grows.
In conclusion, these design changes will give us what is needed to meet the requirements of adding 150 4300 IP cameras while continuing to support existing network traffic and giving us the flexibility…...

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