Cisco Live 2023 – Is the conference worth the price?
Cisco Live US 2023 will take place from June 04 to 08 in Las Vegas. I have just registered, and this will be my 10th time attending. However, the question arises: is the Cisco Live conference worth the price? Travel and Accommodation I will not consider the cost of travel and accommodation in this post. This introduces too many variables depending on where the conference is, where you are coming from, and what your preferences are for accommodations. We’re only going to talk about the cost and benefits of attending…
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Part 4 – Monitoring PSN Load Balancing
The best way to know that your configuration is working properly is to measure with a tool outside of ISE. Unfortunately, authentications per second is not available via SNMP or the REST API. What does happen is for each authentication a SYSLOG message is generated. The following messages are for every passed and failed authentication: […]
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Part 3 – IOS-XE Load Balancing
Cisco is a large organization. Sometimes different software development teams don’t talk to one another as much as we would like. As it happens, the IOS-XE team developed a way of load balancing RADIUS request across multiple RADIUS servers. I can’t claim to have read every Cisco whitepaper and I haven’t seen every Cisco Live […]
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Part 2 – Enter the Load Balancer
In Part 1 we explored the simplest configuration possible. Now let’s introduce a load balancer appliance. I’m just going to put it out there. Load balancers are a necessary evil. They are for protocols that are too dumb to figure out how to load balance themselves at the application layer. But we’re going to find […]
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Part 1: Cisco ISE Load Balancing
There are many ways to build a Cisco Identity Services Engine (ISE) installation. This is a four-part series on load balancing multiple RADIUS servers and we’ll use Cisco’s Identity Services Engine in our examples. If you want to jump ahead: Part 1: This Page! Part 2: Load Balancer Appliances Part 3: Simple, Fast, Cheap… all […]
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Building a Small Network with ChatGPT
I must be a good prompt engineer – every time I ask ChatGPT something really simple it spews out nonsense. This time I asked it to build a small network with four routers:
I have a network with four Cisco routers (A,B,C,D). They are connected as follow: A-B, B-C, A-D, D-C. Each router has a loopback interface. Create router configurations that will result in A being able to reach loopback interfaces of all other routers.
Here’s what I got back1:
Here’s an example configuration for the four routers that should allow Router A to reach the loopback interfaces of all other routers:
Building a Small Network with ChatGPT
I must be a good prompt engineer – every time I ask ChatGPT something really simple it spews out nonsense. This time I asked it to build a small network with four routers:
I have a network with four Cisco routers (A,B,C,D). They are connected as follow: A-B, B-C, A-D, D-C. Each router has a loopback interface. Create router configurations that will result in A being able to reach loopback interfaces of all other routers.
Here’s what I got back1:
Here’s an example configuration for the four routers that should allow Router A to reach the loopback interfaces of all other routers:
Amazon & De Beers to Power Quantum Networks With Synthetic Diamonds
Diamond-enabled quantum networking through a collaboration between AWS and De Beers subsidiary Element Six could bring enhanced communication and data security in fields such as finance, healthcare, and defense.Edge Computing Use Cases: Helping Businesses Access SD-WAN/SSE
How can edge computing be leveraged to ensure every small business benefits from the latest SD-WAN/SSE technologies?Announcing VMware HCX+ Initial Availability
If you had to sum up multi-cloud management in a single word, “complex” would be a fair choice. Although multi-cloud strategies vary from one organization to the next—i.e., some use a mix of public and private clouds while others might use only public or only private infrastructures—all multi-cloud architectures significantly increase the complexity and challenges that IT organizations must navigate.
Today, we’re excited to announce a new offering, HCX+, designed to help mitigate the challenges of thriving in a multi-cloud world. By helping to streamline and accelerate workload migration and mobility between on-premises, public cloud, and private cloud environments, HCX+ simplifies complex processes like data center modernization, hardware refresh, data center consolidation, data center evacuation, cloud migration, data center extension, cloud bursting, and cloud rebalancing.
Keep reading for an overview of the major benefits and features that HCX+ brings to the table.
Announcing HCX+ Initial Availability
HCX+, which is in initial availability as of today, is a SaaS-based workload migration and mobility service from VMware that provides centralized management, orchestration, and observability for migration, repatriation, and rebalancing initiatives across multi-cloud environments.
HCX+ builds on VMware’s existing HCX solution, enabling easier and faster configuration and operability. With HCX+, migration Continue reading
Day Two Cloud 190: Serious Public Clouds Invest In Infrastructure With Charles Fitzgerald
On today's Day Two Cloud we dive into how the public clouds spend their money and what IT and engineering folks can learn from those spending patterns. We also look at the notion of cloud repatriation and how prevalent (or not) it is. Our guest is Charles Fitzgerald, a CapEx obsessive who writes the Platformonomics blog.
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Day Two Cloud 190: Serious Public Clouds Invest In Infrastructure With Charles Fitzgerald
On today's Day Two Cloud we dive into how the public clouds spend their money and what IT and engineering folks can learn from those spending patterns. We also look at the notion of cloud repatriation and how prevalent (or not) it is. Our guest is Charles Fitzgerald, a CapEx obsessive who writes the Platformonomics blog.Introducing Cloudflare’s new Network Analytics dashboard
We’re pleased to introduce Cloudflare’s new and improved Network Analytics dashboard. It’s now available to Magic Transit and Spectrum customers on the Enterprise plan.
The dashboard provides network operators better visibility into traffic behavior, firewall events, and DDoS attacks as observed across Cloudflare’s global network. Some of the dashboard’s data points include:
- Top traffic and attack attributes
- Visibility into DDoS mitigations and Magic Firewall events
- Detailed packet samples including full packets headers and metadata
This dashboard was the outcome of a full refactoring of our network-layer data logging pipeline. The new data pipeline is decentralized and much more flexible than the previous one — making it more resilient, performant, and scalable for when we add new mitigation systems, introduce new sampling points, and roll out new services. A technical deep-dive blog is coming soon, so stay tuned.
In this blog post, we will demonstrate how the dashboard helps network operators:
- Understand their network better
- Respond to DDoS attacks faster
- Easily generate security reports for peers and managers
Understand your network better
One of the main responsibilities network operators bare is ensuring the operational stability Continue reading