HSRP vs VRRP vs GBLP – All Default settings, Authentication, and important quick notes for Exam day!

Wanted to jot down some bullet point style notes as to the differences between the 3 FHRP's that you will see on exam day for SWITCH, and a few things you may also see on ROUTE at the bottom for Authentication and creating "Tracking objects" to increment and decrement values of the different Priority #'s … Continue reading HSRP vs VRRP vs GBLP – All Default settings, Authentication, and important quick notes for Exam day!

SPAN / RSPAN – Review of important exam day pointers, full configuration of both to demonstrate gotchas for Exam Day!

There is a whole lot there in that Topology to get to, but it really just committing to memory the logic of how each switch must be configured appropriately, as for RSPAN you will see the Destination is not that Listener port but rather a Transit VLAN to carry that traffic back to our Listener … Continue reading SPAN / RSPAN – Review of important exam day pointers, full configuration of both to demonstrate gotchas for Exam Day!

MST / Multi-Spanning Tree – Exhaustive review of all the gotchas, niche details, and diagrams / labbing to demonstrate behaviors and output for Exam Day!

This will be as brief of Exam Day notes for MST as I can make, I will eventually slowly lab the above Topology for demonstrations, but will cover all the basics first! The information required for switches to be in the same MST Region is as follows: MST Region Name (Blank by default) MST Region … Continue reading MST / Multi-Spanning Tree – Exhaustive review of all the gotchas, niche details, and diagrams / labbing to demonstrate behaviors and output for Exam Day!

MultiChassis Redundancy – Review notes for Exam day of VSS vs Stackwise, the differences and benefits both reviewed and illustrated for clarity!

A review of VSS (Virtual Switching System) and StackWise "Chassis Redundancy" systems for the CCNP SWITCH exam, I already have a full blow Stackwise post here, however VSS doesn't need to be beat to death to get the must knows for exam day down! Lets get started first with VSS otherwise known as Virtual Switching … Continue reading MultiChassis Redundancy – Review notes for Exam day of VSS vs Stackwise, the differences and benefits both reviewed and illustrated for clarity!

DHCP – A quick review of configuration for Exam Day, just straight forward configs, some tshooting, and real world examples thrown in there for you!

Taking an easy topic to review tonight, two DHCP Hosts (R1 and R2), along with a DHCP Server connected via L2 EC Bundled Trunks. This is really for my own practice / review, so you can skip this post if you have this nailed down for exam day, otherwise just a quick refresher / light … Continue reading DHCP – A quick review of configuration for Exam Day, just straight forward configs, some tshooting, and real world examples thrown in there for you!

VTP v3 – Review of v1/v2/v3 basics and updates to v3, an in depth look at VTP Pruning and mechanisms that drive it, and VERY important v3 Auth info and concepts to finish up!

The above Topology has been configured for the labbing portion of configuring VTP Authentication, I won't go int every detail, but I will bullet point the basics, before reviewing authentication methods to know for exam day + full explanation of VTP Pruning as it can be a tricky topic if you don't know the mechanisms … Continue reading VTP v3 – Review of v1/v2/v3 basics and updates to v3, an in depth look at VTP Pruning and mechanisms that drive it, and VERY important v3 Auth info and concepts to finish up!

CEF – Deep dive into FIB and AT Tables, how packet MAC Addresses are re-written, and diagrams to explain along the way! IMPORTANT for Exam Day!!!

I figured I would take it easy on a Friday night, and do a full blow lab on CEF 🙂 This Topology is a good example to review CEF FIB and Adjacency tables, as you don't need a really large Topology to demonstrate, provides "Packet Switching" information meaning it just wants to read the packet … Continue reading CEF – Deep dive into FIB and AT Tables, how packet MAC Addresses are re-written, and diagrams to explain along the way! IMPORTANT for Exam Day!!!

MultiLayer Switching / CEF – Packet processing explained in depth, and visually presented for clarity!

The above illustration is exactly how a MultiLayer Switch interconnects logically The MultiLayer Switching segment confused of my studies confused me to no end, and when studying some material today it clicked what is meant by "Hardware Switching" vs Process or Fast Switching, and wanted to review it here as well in a more visual … Continue reading MultiLayer Switching / CEF – Packet processing explained in depth, and visually presented for clarity!

EtherChannel Review – VERY Important Layer 3 EtherChannel proper configuration for Exam Day!

The last thing I left on from Cisco forums was an issue with their exam experiences in regards to the topic of L3 EtherChannel configuration, so I thought a good place to start would be where I left off, and this will be important for exam day I expect! If you read nothing else, skip … Continue reading EtherChannel Review – VERY Important Layer 3 EtherChannel proper configuration for Exam Day!