February 9, 2012

A New Version of GNS3 has been released.

A new version of GNS3 has been released. This version adds some new features and fixes a few as well. It brings the product to version 0.7.3. The two features I like is the capture ability for QEMU based devices so you can now capture packets for Junos devices and ASA’s. I also like the “reload all devices” feature.

Read all about the update on GNS3.net.

Getting Busy with BGP

If you’re learning BGP then you’re likely having a hard time remembering what all the attributes are and how they fit it. Are they Mandatory or Otional? Are they transitive or non-transitive? These questions are vaild. BGP has a lot of attributes to keep track of and the route selection process is like no other routing protocol.

Seen here is a chart that may assist in keeping track of the attributes followed by a little bit about how they work.

BGP Atts.jpg

Well-Known vs. Optional

A “Well-Known” attribute is one that all implimentations of BGP must be able to distinguish and understand. In other words, if you are using Cisco or Juniper, or any other companies router, they must understand the Well-Known attributes. [Read more...]

IPv6- Is it more Secure than IPv4

In my IPv6 Class this week we get to touch a number of IPv6 topics.  We have already discussed the Basics of IPv6, Routing Protocols, and QoS features.  Aside from tunneling, which we cover on Thursday, one of the topics that I am most facinated with (being a CCIE Security) is of course….wait for it……Security!  As I prep ahead of time for my class I can’t help but look to see what new and exciting resources are out there to share when it comes to Security.  The following video, IMHO, is pretty darn cool.  Take a little time to watch it and let me know what your thoughts are.