Upgrade catalyst 3550 smi to emi

I'll update this as I get the time.. You can follow the commands if you'd like..

Cisco Catalyst Switches

Cisco offers two types of network switches

Cisco Gigabit Ethernet Transceiver Models

Cisco 10GBASE X2 Transceiver Modules

The Cisco® 10GBASE X2 modules (Figure 1) offer customers a wide variety of 10 Gigabit Ethernet connectivity options for data center, enterprise wiring closet, and service provider transport applications.

Figure 1. Cisco 10GBASE X2 and Xenpak Modules

Catalyst 2960, 3560, and 3750 Switch 10-Gigabit Transceiver Module Compatibility Matrix

Catalyst 2960, 3560, and 3750 Switch 10-Gigabit Ethernet Transceiver Modules Compatibility Matrix

Platform	Switch or Module	Transceiver Model

Cisco ASA 5500 Series Adaptive Security Appliances Models Comparison

Cisco ASA 5500 Series Adaptive Security Appliances

Models Comparison

Cisco ASA 5500 Series Model/License	5505 Base /

Juniper SSG vs Cisco ASA and PIX Firewall Comparison

Juniper Networks SSG 5 SSG 20 *VS* Cisco ASA 5505 and PIX 501 - 506 Comparison
	SSG 5Base/Extended**	SSG 20Base/Extended**

Network security checklist

Now more than ever, small and medium-sized businesses (SMBs) are relying on their networks for all aspects of their operations, including internal and external communications, inventory, billing, sales, and trading with partners. And yet, many SMBs haven't adequately protected their networks for several reasons: