How to Setup Simple SMTP Alerts for Dell’s iDRAC

A lot of people assume you need OMSA installed to setup fancy SNMP and SMTP alerts. However you don't! As long as you have an iDrac card that's all you need. In this tutorial I will be describing the steps needed to setup SMTP alerts for iDRAC emergencies and warnings.   So  let's begin. First …

Calculating EIGRP Metric with real world examples

Although not required by the CCNA it's good to know how to calculate EIGRP metrics to really understand distance. I haven't found any great guides on teaching this so I thought I'd take a stab at it. Since the only values we use are K1 and K3 by default (Bw and Delay) Here is how …

Folder Redirection on AppData – Getting rid of the ” Open File Security Warning”

So you've probably  implemented folder redirection along with AppData (roaming) for your laptops users, then your laptop users are complaining they're getting a "Open FIle - Security Warning". Just like below... The simple fix is add your domain to your intranet zone so that your PC trusts where the files are coming from. You can create …

VLAN Mismatch Explained

Another very simple concept that confuses the heck out of people is the concept of mismatching VLAN's and merging broadcast domains. Let's take the below topology in consideration.   We have 2 switches connected together, and we have 2 computers connected to them. If we didn't configure VLAN's this would be one broadcast domain. This …

How to setup Active Directory Sites and Services

First let's begin and discuss why one would want to setup sites and services. The main points are as follow: Site Group Policy Objects are the second items applied in the GPO hierarchy. (Local, Site, Domain, OU) Domain joined computers will query the closest domain controller to them. DFS clients can find the closest namespace …