Last time, we talked about a nifty little lab I set up for redistribution and how the OSPF ASBRs acted a little differently than I expected. This time, let’s look at how changing external OSPF …
I just got back from Global Knowledge’s ROUTE class, and I must say that it was a great class. John Barnes puts on quite the show and is the best instructor I’ve ever had. I digress, …
Here’s an STP exercise for you. Given the bridge priorities, MAC addresses, and interface types in the diagram, calculate the root bridge, root ports, designated ports, and blocked ports. You …
Two down, two to go. After much groaning and moaning, I’ve finally passed my ONT test. The path to this point has been full of road blocks and covered in potholes, but I finally managed to power …
I took the ONT again today. The stench of failure is upon me for a second time, and I’m beginning to think I’m not the god-like person that everyone thinks I am. I went into the test very …
I failed the ONT test today. It was an utter lack of subject matter knowledge that did me in from the beginning. When the first three questions mention things that I’ve never even heard, …
Elements of Cisco Unified Wireless Network Client devices - Cisco compatible extensions on WLAN clients Mobility platform - allows configuration of LWAPs through WLCs Network unification - integration …
Traditional WLAN weaknesses SSID for security Vulnerable to rogue APs MAC filtering for security WEP WEP weaknesses Disribution of static keys is not scalable WEP keys can be cracked easily …
Wireless LANs (WLANs) Extensions to wired LANs Carrier sense multiple access collision avoidance (CSMA/CA) as media access method Uses distributed coordinated function (DCF) for collision avoidance …
AutoQoS benefits Automates QoS for most deployments Protects business-critical apps to maximize availability Simplifies QoS deployments Reduces configuration errors Cheaper, faster, and simpler …