Article by Austin Modine from San Francisco. Cisco has pushed out a new iPhone app that helps IT managers respond to newly-detected security threats by the seat (pocket) of their pants. The Cisco SIO To Go iPhone application beams in data from the company’s Security Intelligence Operations (SIO) to show a customizable menagerie of security [...]
Alright folks, Cisco has finally announced the changes to the CCIE R&S track. Among those are a new 2 hour troubleshooting section at the beginning of the lab, plus the addition of MPLS and VPN technologies. For more information, see https://cisco.hosted.jivesoftware.com/docs/DOC-4605
I have done my share of work in the networking field, and had never heard of this command. I have also not been exposed to a wide variety of layer 2 technologies, but I must say, that this is a very cool command. Granted, it could be considered old- or not on par with private VLAN’s [...]
Alright, this isn’t a straight tech article, but I just wanted to post showing that I’ve made progress. I finished 100% of IEWB Vol I frame relay labs three times now, the first using help and looking up articles to get things straight, and the last two with no outside help, just trying to make [...]
In QoS: Essentials, Part I, we discussed what QoS is, classifying/marking traffic, and trust boundaries. In Part II, we will get into the actual types of marking, do an overview of NBAR, and finally get into Congestion management/Queuing. Ready? Types of Marking: There are several different ways to mark, and each one is suited for [...]
Many of you reading this have been mystifyed by terms like WFQ, WRED, Jitter, or DiffServ. My aim in Part I of QoS: Essentials, is to take some of the mystique surrounding Quality of Service away. Let’s get to it! What is QoS? While in Iraq, we stayed in tiny trailers with 2 soldiers sharing [...]