Rowell Dionicio

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Rowell Dionicio

San Diego, CA

Founder of Packet6. CWNE #210. Host of Clear To Send. I write about enterprise IT from the operator's perspective and the gap between what vendors promise and what your team actually has to build and run.

UniFi Switch Port Profiles

UniFi Switch Port Profiles

Consistency in configuration is key for management and troubleshooting. The UniFi platform allows the configuration of Profiles. I'll be looking at Switch Port Profiles in order to quickly set parameters to a switch port with just a drop down option. In my lab, I have an 8-port

Listing Cisco DNA Center Devices Using the API (DevNet)

Listing Cisco DNA Center Devices Using the API (DevNet)

DNA Center (DNAC) is an essential component of Cisco's intent-based networking. It serves as the central point for network management and network provisioning. There are different functions of DNA Center such as network assurance which provides you with the overall health of the network. Included with DNA

Python - Basic API Access with Mist Wi-Fi

Python - Basic API Access with Mist Wi-Fi

The Mist access points were designed with API first. The information you're able to retrieve from their API is quite impressive. It's enough for you to build your own dashboard, if you dare to take that leap. The Mist API architecture is simple. It starts with

Configuring C9800-CL with FlexConnect

Configuring C9800-CL with FlexConnect

The Cisco Catalyst 9800 utilizes tags and profiles for granular control over AP capabilities. When there are multiple sites and a centralized wireless LAN controller in a data center, FlexConnect is often the configuration of choice. Rather than tunneling all data over a WAN and through a data center, there

Nmap Ping Sweep

Nmap Ping Sweep

Identifying what hosts are alive on a network can be a simple task with nmap. It's a utility I have installed on my computer, often used for security analysis. But sometimes I forget what flags to use for a simple ping sweep of active devices on a network.

Listing Meraki Network Devices Using the API (DevNet)

Listing Meraki Network Devices Using the API (DevNet)

Starting with the basics of network automation involves learning how to construct code. The DevNet Associate will test against your ability to perform this task. In this example, I will leverage the Meraki API in order to get a list of devices part of a network within an Organization. Anyone

My 3 Favorite Features of the NetAlly EtherScope nXG

How many Wi-Fi tools do you carry in your bag? Wi-Fi engineers have been carrying an overabundant number of gadgets in order to troubleshoot and analyze Wi-Fi networks. NetAlly has been working on specialized handheld tools, such as the EtherScope nXG, that perform various network tests. I&