For general networking topics (routing, switching, VLANs, IP phones, etc.) that are not specific to one security device.
How To Upgrade Cisco IOS on a Catalyst 3750 Switch Do you have a Cisco Catalyst switch and want to upgrade Cisco IOS? In the blog post I will go through everything you need to know for upgrading Cisco IOS using TFTP (Trivial File Transfer Protocol). Step 1: Verify The Current IOS Version First thing […]
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My first role in IT was Field Service Technician. In that role I got exposed to voice over IP (VoIP) and I remember thinking I didn’t really like phones. I have to admit now they are pretty cool. My old company at the time sold PBXact to their customers which is Sangoma’s commercial version of
In my last blog post, I described the process of configuring Inter-VLAN Routing and one of the pieces of hardware in my topology was a Cisco 1941 Series Gen 2 ISR Router with an 8 port Switch module. To be more accurate this 8 port switch module is called an 8 port Gigabit “Ethernet Enhanced
Why Inter-VLAN Routing? VLANs or Virtual Local Area Networks are awesome. They allow you to essentially break up one physical LAN into multiple logical or virtual LANs. When you create a VLAN on a Cisco switch and assign an interface to that VLAN, all hosts in the same VLAN are able to communicate with each
