Tag Archives: switch

Using Notepad++ Vertical Selection for Mass Changes

Notepad++ has a really cool feature that I’d like to share with those who haven’t already stumbled onto it. This feature is the ability to select vertically. The typical linear selection found in text editors works most of the time, … Continue reading

Posted in Network, Technology | Tagged , , | 6 Comments

Cisco VIRL – The Virtual Internet Routing Lab

Cisco has been talking for some time about a product that I’m really excited about. This product is known as “VIRL”, pronounced like “viral”. VIRL is short for Virtual Internet Routing Lab. The promise is this will use IOU, short … Continue reading

Posted in Blogroll, Career, CCIE Security, CCNA, CCNA Security, Certification, Cisco Live, Events, General, Network, Technology | Tagged , , | 1 Comment

Understanding PVLAN Trunk Types

As I mentioned in previous article, the PVLAN trunk feature is not widely available. However they are mentioned in the SWITCH materials. Therefore, I wanted to briefly mention how these may be used. In many cases, I find a picture … Continue reading

Posted in Certification, General, Network, Technology | Tagged , | 1 Comment

Understanding the PVLAN Promiscuous Trunk Feature for Routing on a Stick

Private VLANs are a layer two construct that can be used to isolate traffic in a single broadcast domain. Routing is necessary and unchanged when packets need to be delivered into a different VLAN. ¬†When routing is performed in a … Continue reading

Posted in CCIE Security, Certification, General, Security, Technology | Tagged , | 4 Comments

Increasing Your Odds of Passing SWITCH

One of the goals I set for myself for the month of December was to pass the SWITCH Exam (642-813). This exam has a bit of a track record for having some quirks and creating angst among test takers. I … Continue reading

Posted in Career, Certification, General, Technology | Tagged , | 3 Comments

Comparing PVLAN to PVLAN Edge

A couple of weeks ago I wrote an article about the PVLAN Edge, or “switchport protected”, feature of Cisco switches. This feature is simple to understand and configure. This feature is like the little brother of the more fully featured … Continue reading

Posted in Certification, General, Security, Technology | Tagged , | 3 Comments

Understanding PVLAN Edge

One of the topics that often comes up when talking about layer 2 security is the concept of Private VLANs. Private VLANs are basically a way to group hosts and control traffic inside a single broadcast domain. Although Private VLANs … Continue reading

Posted in Certification, General, Security, Technology | Tagged , | 2 Comments