3.1.b Identify, and troubleshoot IPv6 Addressing and Subnetting

3.1.b Identify, and troubleshoot IPv6 Addressing and Subnetting   IPv6 Review: The main RFC is 2460 How many addresses do we have with IPv6? 2(128th power) IPv6 is written as hexadecimal, they are separated by colons, and each field is 16 bits in size. Thus each character in HEX = 4 bits What are the …

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3.1.a (i) Address types, VLSM

3.1.a (i) Address types, VLSM   For this section you should understand the basics of IPv4 addressing. We should remember that an IPv4 address is a 32bit number with a max of about 4 billion. It's written in dotted decimal notation like so 10.0.0.1 Each number separated by a decimal is 1 byte in size. …

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How to force a reinstall of VMware Remote Console on Linux

Recently I had issues where VMware Remote Console was not working, every time I ran the installer it would run the uninstall. Needless to say this was frustrating. Eventually I had to remove the following directories and re-run the installer to get this to work.   rm -rf /etc/vmware-installer rm-rf /etc/vmware-vix

Cisco Nexus (NX-OSv 9000) LACP + VPC BUG FIX

This post will show you how to fix the LACP "BUG" on the NX-OSv 9000 so that you can LACP to whatever devices you want. Thus you will be able to practice VPC topologies! If you need the NX-OS 9000 image for GNS3 go here: https://upw.io/wa/nxosv-final.7.0.3.I7.2.qcow2 For documentation on how to add the NX-OSv 9000 …

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How to Setup Multiple Context ASA in GNS3

How to Setup Multiple Context ASA in GNS3 In this guide I will show you exactly how to get a working lab for ASA multi-context in GNS3. First be aware that you CANNOT use the virtual ASA image. Instead we will have to use ASA version 9.1.15-16 and activate it with a key IN GNS3. …

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