Two Minute Tips – Cisco Device “Hidden Configurations”

October 5, 2018 at 11:56 pm

I hope you enjoy the first of my Two Minute Tip videos! This one is on viewing the “hidden” configuration commands on your Cisco devices.

Cisco Commands

Can I Do That With Cisco VIRL???

August 15, 2018 at 8:09 pm

VIRL Training

In this video, I make sure you can quickly verify the available features you have for emulation inside of Cisco VIRL. This is very important because the last thing you want to do is spend time building a VIRL topology only to discover you cannot practice the feature because it is not supported.

Your 200-105 ICND2 Study Tracker

July 14, 2018 at 10:41 am

ICND2

Here is your exam objectives tracker for ICND2. Remember – there are five parts. So if you are not seeing all five below – be sure to click on the READ MORE button!

1.0 LAN Switching Technologies
1.1 Configure, verify, and troubleshoot VLANs
(normal/extended range) spanning multiple switches
1.1.a Access ports (data and voice)
1.1.b Default VLAN
1.2 Configure, verify, and troubleshoot interswitch connectivity
1.2.a Add and remove VLANs on a trunk
1.2.b DTP and VTP (v1&v2)
1.3 Configure, verify, and troubleshoot STP protocols
1.3.a STP mode (PVST+ and RPVST+)
1.3.b STP root bridge selection
1.4 Configure, verify, and troubleshoot STP-related optional features
1.4.a PortFast
1.4.b BPDU guard
1.5 Configure, verify, and troubleshoot (Layer 2/Layer 3) EtherChannel
1.5.a Static
1.5.b PAGP
1.5.c LACP
1.6 Describe the benefits of switch stacking and chassis aggregation
1.7 Describe common access layer threat mitigation techniques
1.7.a 802.1x
1.7.b DHCP snooping
1.7.c Nondefault native VLAN

Your 100-105 ICND1 Study Tracker

July 11, 2018 at 10:30 am

ICND1

If you know anything about my approach to certifications, you will know that I am a huge proponent of building a tracker to make sure you are studying the right topics and to measure your progress and keep yourself accountable. Here is a tracker you can copy for ICND1.

NOTE: I only show Section 1 below – you need to click the READ MORE link in order to see the other sections 2 – 5.

1 Network Fundamentals
1.1 Compare and contrast OSI and TCP/IP models
1.2 Compare and contrast TCP and UDP protocols
1.3 Describe the impact of infrastructure components in an enterprise network
1.3.a Firewalls
1.3.b Access points
1.3.c Wireless controllers
1.4 Compare and contrast collapsed core and three-tier architectures
1.5 Compare and contrast network topologies
1.5.a Star
1.5.b Mesh
1.5.c Hybrid
1.6 Select the appropriate cabling type based on implementation requirements
1.7 Apply troubleshooting methodologies to resolve problems
1.7.a Perform fault isolation and document
1.7.b Resolve or escalate
1.7.c Verify and monitor resolution
1.8 Configure, verify, and troubleshoot IPv4 addressing and subnetting
1.9 Compare and contrast IPv4 address types
1.9.a Unicast
1.9.b Broadcast
1.9.c Multicast
1.1 Describe the need for private IPv4 addressing
1.12 Configure, verify, and troubleshoot IPv6 addressing
1.13 Configure and verify IPv6 Stateless Address Auto Configuration
1.14 Compare and contrast IPv6 address types

Border Gateway Protocol (BGP) – Advertising NLRI is Complete!

June 21, 2018 at 2:59 pm

BGP

I have completed the final videos and quizzes for the latest module on BGP I am recording at CBT Nuggets. Here is a recap of the videos so far!

Border Gateway Protocol (BGP) – Basic Operations (Released Jan 2018)

https://www.cbtnuggets.com/it-training/border-gateway-protocol-basic

  1. An Overview of BGP
  2. BGP Message Types
  3. BGP Message Formats
  4. BGP Neighbor States
  5. BGP Path Attributes
  6. The Origin Attribute
  7. The AS_PATH Attribute
  8. The NEXT_HOP Attribute
  9. BGP Weight
  10. BGP Best Path Selection

Border Gateway Protocol (BGP) – Peerings (Released Feb 2018)

https://www.cbtnuggets.com/it-training/border-gateway-protocol-peerings

  1. eBGP Peerings
  2. Cisco eBGP Peering Example
  3. Juniper eBGP Peering Example
  4. iBGP Peerings
  5. Cisco iBGP Peering Example
  6. Juniper iBGP Peering Example
  7. eBGP Multihop
  8. Using BGP Authentication
  9. Misc. Neighbor Options

Border Gateway Protocol (BGP) – Advertising NLRI (Released June 2018)

https://www.cbtnuggets.com/it-training/border-gateway-protocol-advertising-nlri

  1. The Cisco Network Command
  2. Cisco Troubleshooting for NLRI Reachability
  3. Redistributing NLRI in Cisco BGP
  4. Cisco BGP RIB Failures
  5. BGP Synchronization
  6. Juniper NLRI Advertisement
  7. Static Routes with Multihoming
  8. Redistributing NLRI into IGPs
  9. Using iBGP with a Stub AS
  10. Advertising a Default Route
  11. BGP Aggregation

Border Gateway Protocol (BGP) – Cisco Routing Policy Mechanisms (Releasing July 2018)

  1. An Overview of BGP Routing Policy
  2. The BGP Decision Process
  3. A Routing Policy Example
  4. InQ and OutQ
  5. Cisco IOS BGP Processes
  6. Next Hop Tracker, Event, and the Open Processes
  7. Table Versions
  8. Clearing BGP Sessions
  9. Soft Reconfiguration
  10. Route Refresh