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Learn why you can't ping a Kubernetes service

Daniele Polencic on January 23, 2023

TL;DR: in this article, you will learn how ClusterIP services and kube-proxy work in Kubernetes. Have you ever tried to ping a Service IP address ...
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Ssoo Sa

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Marvin Ellis

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rick Rode • Edited

To understand why you can't ping Ragdoll Hit a Kubernetes service, let’s break it down clearly and concisely, addressing the core concepts and common reasons behind this issue.

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Elizabethowell

Learning why you can’t ping a Kubernetes service is such a useful insight—it highlights how networking in containerized environments works differently, and why traditional tools like ping don’t always tell the full story. It reminds me of watching matches on Futbol Libre TV—sometimes what’s happening behind the scenes, like formations and strategies, is just as important as the visible action. Do you think people find debugging more rewarding for the learning experience or for quickly solving the problem?

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veering yogurt

@Sprunki Retake

This explains to me why you can't ping a Kubernetes service. The explanation is very specific and easy to understand: there are no rules in iptables for ICMP traffic.

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Jatin Mehrotra • Edited

Great post, but Is it me or the first two pictures in the blog is not visible?

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Aurtaint • Edited

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Bradly Pond

So iptables skips the a little to the left packets.

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Bradly Pond

This explains how Service doesn't exist and how a little to the left kube-proxy sets up load balancing rules

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bloodmoney

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