Cisco Tech Stories

34 - Kubernetes Networking : the new fabric ?

In this episode, we interview Marcos Hernandez who tell us about the Isovalent products and integration. From Live Protect, to Cilium which allows kubernetes container networking with the same level of abstraction, mobility and security as fabric networking.

33 - Rice and Shine of eBPF

In this episode, we interview Liz Rice, a contributor to eBPF. She tells us what this technology means for the linux kernel but also for future security app, for kernel observability and last but not least for container networking. A technology so good it's even coming to Windows.

32 - Open Source Pizza Boxes in the DC

In this episode, we interview Jean Christophe Rode, principal engineer working in the IOS-XR engineering team. He also specalizes in SONIC support. He explains how this open source operating system is gaining ground and what are the difference with Cisco proprietary IOS-XR.No blue Hedgehogs are mentioned in this episode

31 - Hardening the Core with Resilient Infrastructure

In this episode , Tristan takes us through a tour of what Cisco is doing to make all network devices more secure, not just the new products. Security concerns are not just about security vulnerabilities, your base configuration has the biggest impact actually ...Resilient Infrastructure overview: https://www.cisco.com/c/en/us/about/trust-center/resilient-infrastructure.html#~overview Feature Deprecation details: https://www.cisco.com/c/dam/en_us/about/doing_business/trust-center/docs/cisco-resilient-infrastructure-feature-deprecation-and-removal-details.pdf Alternatives:  https://www.cisco.com/c/dam/en_us/about/doing_business/trust-center/docs/cisco-infrastructure-resilience-feature-removal-and-suggested-alternatives.pdf  Additional links on threat landscape in 2026: https://blogs.cisco.com/news/doubling-down-on-resilient-infrastructure https://blog.talosintelligence.com/salt-typhoon-analysis/  

30 - The day Obama didn’t learn my name

In this episode, Kristopher Gabrielsen, Principal Engineer in Switching technologies tells us about his most critical and high-pressure situations and we talk about the future of LAN switching.

29 - Rack and Roll - Scaling AI DCs

In this episode, Venkat Kirishnamurthy, a principal Architect at Cisco, explains what are the ins and outs of designin an AI datacenter. How is it different from another datacenter ? What kind of scale are we talking about ? What is the throughput required to connect 1000 GPUs together ?Learn more about CX Services and how we can help you design your datacenter:https://www.cisco.com/site/us/en/services/index.html

28 - Qubit the bullet - quantum entanglement

In this episode, Tim Szigeti, Distinguished Engineer talks to us about Quantum computing, the latest progresses and what are the potential impact and opportunities it creates. We also discuss what is Cisco doing in the Quantum field.

27 - Crypto Key insights

In this episode, Frederic Detienne, a Distinguished Cisco CX Engineer takes us through the evolution of cryptography in IT, the latest changes and challenges as well as the quantum problem and post-quantum cryptography.

26 - Kendra’s SD-WAN war stories

In this episode, Kendra Dodson, CX Technical Leader in the RTP TAC, tells us about the SD-WAN technology and her personal troubleshooting stories : counter overflow, packet over-fragmentation and sudden config loss. We also discuss the future of WAN technologies

25 - Ransom Where ? PSIRT adventures

In this episode we interview Roberto Petrillo who works for Cisco Product Security Incident Response team. He works on and assesses vulnerabilities on all Cisco products. He tells us about his career in TAC support web security and his move to PSIRT, working on vulnerability disclosures.