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Category Archives for "Packet Pushers Podcast"

Network Break 426: NetBox Labs Raises $20 Million; Intel Foundry, Arm Team Up To Make SoCs

This week's Network Break discusses NetBox Labs's $20 million funding round and why it spun itself out of NS1's IBM acquisition, Intel Foundry and Arm teaming up on SoC manufacturing, why Amazon sees headwinds for public cloud spending (and why the opportunity is still huge), how the juice-jacking threat got hyped, and more tech news.

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Will ChatGPT Make Tech Blogs Obsolete?

This post originally appeared in a slightly different form in the Packet Pushers’ Human Infrastructure newsletter. You can subscribe and see all back issues here. Daniel Miessler says AI-powered chatbots will be the end of tech tutorial blogs. And at first glance, his argument seems sound. Prior to the rise of chatbots and digital assistants, […]

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Heavy Networking 674: IPv6 Essentials For Network Engineers – Think Abundance, Not Scarcity

On today’s Heavy Networking we get into IPv6 essentials for network engineers, including how to incorporate IPv6 support in upcoming projects, how IPv6 affects NAT and subnetting, what the heck Happy Eyeballs and nibble boundaries are, and why you should approach IPv6 with a mindset of abundance not scarcity.

The post Heavy Networking 674: IPv6 Essentials For Network Engineers – Think Abundance, Not Scarcity appeared first on Packet Pushers.

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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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.

The post Day Two Cloud 190: Serious Public Clouds Invest In Infrastructure With Charles Fitzgerald appeared first on Packet Pushers.

Privacy And Networking Part 8: IPv6 Addresses And Privacy

One of the biggest advantages of IPv6 is the ease of renumbering thanks to SLAAC and DHCPv6. Easy renumbering of IPv6 addresses should, in theory, make some privacy protection methods easy to implement. Here's how it works, and and how it doesn't solve all privacy problems.

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Network Observability: Don’t Buy Into the Hype, Follow the Data

The following post is by Jeremy Rossbach, Chief Technical Evangelist at Broadcom. We thank Broadcom for being a sponsor. For today’s teams, it is exceedingly complex and costly to support multiple generations of infrastructure and applications. What’s worse, according to an IDC report on network observability, this is the number one challenge to achieving digital […]

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Tech Bytes: Configure Devices, Stream Telemetry With Nokia’s Free, Open-Source gNMIc (Sponsored)

Today on the Tech Bytes podcast we dive into gNMIc with sponsor Nokia. gNMIc is open-source software you can use to configure devices and collect device telemetry. It can output telemetry to InfluxDB, Prometheus, and SNMP traps. Nokia has contributed gNMIc to the OpenConfig project. We talk with gNMIc creator Karim Radhouani, Technology and Architecture Consulting Engineer at Nokia, about why he developed the tool and how customers are using it.

The post Tech Bytes: Configure Devices, Stream Telemetry With Nokia’s Free, Open-Source gNMIc (Sponsored) appeared first on Packet Pushers.

Tech Bytes: Configure Devices, Stream Telemetry With Nokia’s Free, Open-Source gNMIc (Sponsored)

Today on the Tech Bytes podcast we dive into gNMIc with sponsor Nokia. gNMIc is open-source software you can use to configure devices and collect device telemetry. It can output telemetry to InfluxDB, Prometheus, and SNMP traps. Nokia has contributed gNMIc to the OpenConfig project. We talk with gNMIc creator Karim Radhouani, Technology and Architecture Consulting Engineer at Nokia, about why he developed the tool and how customers are using it.
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