Is Your Network Healthy?

heart-healthy-netNetworks are becoming more “borderless” as Cisco likes to call it and it’s definitely true. Having the ability to get access to resources remotely without having to be at our office physically is a nice touch, you may even notice higher productivity and who doesn’t want that! Networks have to be in a healthy state in order for people remotely and people at the office to get their work done. An unhealthy network at a business usually loses productivity and customers which in the end comes down to money. How do you know if your network is reaching its capacity along with the general health state of it? Let’s look at some commands and general best practices! Continue reading “Is Your Network Healthy?”

Look at GNS3 – New Version

Look at GNS3 – New Version: A new version of GNS3 released on July 5th 2013 is available for download. You can download GNS3 v0.8.4 at This release includes improvements and new features. Some of the important one are:

  • Lots of GUI improvements.
  • New hub device.
  • New Idlemax and Idlesleep settings (advanced manipulation of IDLE PC).
  • IOS image and settings test button.
  • New Tool menu to start external scripts/tools.
  • Drag & drop of multiple devices when pressing SHIFT.
  • Temporary projects are created by default.
  • VirtualBox interface numbering starts at 0 (e.g. e0 = VirtualBox interface 1 = eth0 on Linux).
  • Support for 36 network cards in VirtualBox (using ICH9 chipset)
  • New option to save traffic captures in project directories.
  • Experimental auto IDLE PC calculation feature (requires Dynamips greater than 0.2.8-RC5, which is included in Windows all-in-one and OSX DMG).
  • Added entries to have Dynamips/Qemu/VirtualBox hypervisors bind/listen to all available IP/host addresses (optional).
  • AW+ router support by Allied Telesis from New Zealand (educational version of their OS to be released).
  • Removed the “Save IOS configs option” in project settings. IOS configs are always saved.
  • Qemu FLASH files are automatically saved in a directory named ‘qemu-flash-drives’ (in the project directory).
  • Dynamips version 0.2.8

You can also read the changelog for a full list of changes!

I have used GNS3 off and on with my certification studies, it has always been a great program for that “what if question.” Currently I am using if for some OSPF routing redundancy checks and some proof of concept designs. What are some good topologies for GNS3 have you seen? Post some links!

I have just downloaded the new version and I will get back with you 🙂
Have questions about GNS3? Post them on the GNS3 Forum.

Passed 640-554!

Blue_Cisco_pictureShort story, I am proud to say that I passed! I have studied off and on in the beginning of the year but I did set a date to take the exam which was June 28th .As that date was getting closer I buckled down and reviewed the materials again and focused in on some areas that I knew I was weak in. So how was the 640-554 exam, what did I use to pass the exam and what exam am I focusing on next?
Continue reading “Passed 640-554!”

Site-To-Site VPN via CCP

security-gallery-01258I have ran through before on how to create a site-to-site VPN with Cisco SDM which sounds like a repeat but I thought why not bring CCP into light and since I’m studying the newly created CCNA Security (640-554) I figured let’s create a tutorial on it. In this lab I am going to post the running-config of both locations so you can either run it through Packet Tracer or live equipment if you wish. I am running two Cisco 2811s with Advanced Security Version 12.4(24)T8. Let’s do it! Continue reading “Site-To-Site VPN via CCP”

Configuring AAA – Locally

SecureA while back I talked about AAA but never put out a post on how configure it until now. In this post I am going to be going over the configuration steps of how to configure AAA locally on a Cisco router, (The same commands would also work on Cisco switch). To review what exactly AAA does check my earlier post Understanding AAA. Continue reading “Configuring AAA – Locally”