• AWS Networking Speciality

    To be done Labbing VGW with Ubiquiti Labbing NAT-G vs IGW (@ host in the same subnet with one host havin a Floating IP so that we can SSH in and then ssh to the other host to test.) . TO check if a Host can access internet without NAT-G...


  • Learning CloudFormation

    1:33 Speed / kcfnuser / D Good link for CFN IDE Tips https://hodgkins.io/up-your-cloudformation-game-with-vscode A wordpress stack typically consists of the following: JSON JSON stands for “JavaScript Object Notation” Used heavility within the AWS Product set JSON is constructd of name/value pair Data is seperated by commas Value can be strin,number,boolean,object,array...


  • BGP Tech Notes

    About BGP Why do we call BGP a path-vector routing protocol? BGP States during Connection What is ebgp-multihop Why do we need Internal BGP (iBGP)! BGP Loop Prevention next-hop-self BGP Attribute and Path Selection Weight route-maps Local Preference Originate AS Path Prepend Origin Code MED Attribute PATHs Router ID BGP...


  • Offensive Security Preparation

    BGP with BFD Routing protocols have mechanism to detect link failures as well with HELLO like mechanism but is not good enough for c BFD runs independent of the routing protocol. BFD had two modes of operation Asynchronous Mode : The Asynchronous mode is like the Hello and Holddown timer...


  • ACI Learning

    Write an overall learning summary and path here. Learning notes from BRKACI-3545 Ciscolive Session Read https://www.cisco.com/c/en/us/solutions/collateral/data-center-virtualization/application-centric-infrastructure/white-paper-c11-739989.html EMEAR DCV PVT - ACI troubleshooting with TAC experts LiveLessons Course INE Course Look at the Youtube Video : VXLAN Part 6 - BGP EVPN Configuration on Nexus 9000 Look at the videos here...