• EIGRP RTP

    After reading over RTP this morning I decided to run up a very simple EIGRP setup in GNS3 to help visualise what is happening. As the image above shows the setup is very straight forward. The link from R4 to R3 was set to 100mbps and R4 to R2 was... more

  • Layer 2 Frame changes through at each hop

    I enjoy building test environments to help cement the concepts I read about. In this case it’;s the changes to the source and destination MAC addresses of a frame at layer 2 while it passes through each hop on the way to the final destination. To watch this process I... more

  • CCNA Home LAB

    During my study for my VCP5-DCV certification I found that having a home lab was a huge asset in terms of being able to get a better understanding of the subject matter. Now that I am working towards my CCNA Routing and Switch I feel this will be the case... more

  • Default to PowerShell in Windows Core

    One of the big pushes in Server 2012 is the use a Server Core installation instead of the full GUI install. Microsoft have put a lot of effort into encouraging administrators to use PowerShell as a core tool for day to day administration of servers, which is why is seems... more

  • Initial Setup of SSO

    SSO is an integral part of providing access rights to your Vcentre server. You can assign permissions to people based on their user account, group memberships and link it with various authentication methods. After installing Vcentre for the first time log onto the Web Client with the username administrator@vsphere.local and... more

  • Server 2012 PSOD With E1000 NIC

    While testing out a Server 2012 install on ESXi 5.5 I noticed that when copying files between it and any other server I would get a PSOD. The main section of the PSOD that got my attention was E1000PollRxRring@vmkernel After a bit of searching around I found that there seems... more