Overview: Traditional WAN and CISCO SD-WAN Solutions

The traditional WAN (wide-area-network) functions are to connect users at remote/branch or corporate to applications hosted in Data Center servers. Usually, dedicated circuits are required to make the connection reliable and secure MPLS circuits are commonly used to achieve this. But time has changed. Business models are changed and it needs a new network model. … Continue reading Overview: Traditional WAN and CISCO SD-WAN Solutions

Overview: CISCO SD-WAN

Software-Defined WAN [SD-WAN] Solutions: Cisco SD-WAN (based on Viptela) - The preferred solution for organizations that require SD-WAN solution with cloud-based initiatives that provides granular segmentation, advanced routing, advanced security, and complex topologies while connecting to cloud instances.Meraki SD-WAN - Recommended solution for organizations that requires unified threat management (UTM) solutions with SD-WAN functionality. Note: … Continue reading Overview: CISCO SD-WAN

Overview: Location Services [RTLS]

Location Services is also known as RTLS or Real-Time Location Services RTLS Basic Rules: Deploy minimum of 4 AP per floor.One AP around client in each quadrant.-75 dBm Client RSSI on 3 APs.Create a convex hull around location area. Location Tracking Methods Four Basis Categories of Systems to determine the position. Cell of Origin: uses … Continue reading Overview: Location Services [RTLS]

CISCO WLAN Deployment Models

An overview of different Cisco Wireless LAN [WLAN] Deployment Models. Autonomous Deployment Standalone Access Points are used for this deployment. Access Points must have management IP address configured and connected as trunk link. Centralized or Unified Wireless Deployment Lightweight Access Points are used for this deployment.Wireless LAN Controller[s] are needed.Access Points still have unique management … Continue reading CISCO WLAN Deployment Models

High Availability Techniques

First Hop Redundancy Protocol [FHRP] IP network gateway redundancy is a standard high availability solution. The First Hop Redundancy Protocol features - Host Standby Router Protocol [HSRP], Virtual Router Redundancy Protocol [VRRP] and Global Load Balancing Protocol [GLBP]. Host Standby Router Protocol [HSRP] HSRP is Cisco proprietary protocol.HSRP does not supports preemption by default.HSRP has … Continue reading High Availability Techniques

Enterprise Network Designs

-Tier 2 Design- Known as collapsed core – in which the distribution layer and core layer functions are implemented in single device.  Commonly used in small enterprise networks which does not grow significantly in next few years. Distribution/Core layer provides connectivity to: WAN edgeInternet edgeNetwork servicesLAN aggregation to the end- user access layer Access layer … Continue reading Enterprise Network Designs

How to reset Aruba Controller password

To restore admin access to Aruba Controller, follow these steps: Login to Aruba Controller via console.In username field, type “password” and “forgetme!” as password.It will prompt enable password, use “enable”.To reset the password, in configuration mode, enter “mgmt-user admin root”.Enter your desired admin password and re-type to confirm it.Exit to the configuration mode and try … Continue reading How to reset Aruba Controller password

CCNP Enterprise 350-401 (ENCOR)

As mentioned on my previous post, I decided to study for Cisco CCNP Enterprise. I already have a copy of OCG eBook version as a start for my studying. When I purchased the OCG, there is an Access Bonus Contest included. It's the OCG Companion Website that includes, practice test software, flash cards, video trainings, … Continue reading CCNP Enterprise 350-401 (ENCOR)

CCNP Learning Path

After I passed my Aruba Wireless certification a couple of months ago, I decided to take Cisco CCNP as my next learning path this year. I already purchased an ebook version of CCNP Enterprise Core Official Cert Guide. This will be one of the learning materials that I’ll be using.

I passed my HPE6-A71 exam!

Thanks God, I passed my exam. Its been a few weeks already since I passed this exam. There are a lot of preparations done to make this happen. Thank you to my family and friends who support me on this. Now I got my Aruba Certified Mobility Professional Certification, what next? I will prepare for … Continue reading I passed my HPE6-A71 exam!