# Troubleshooting Kubernetes Networking Issues

DevFeed: [Troubleshooting Kubernetes Networking Issues](<https://devfeed.tech/articles/troubleshooting-kubernetes-networking-issues-29948.md>)

Original publisher: [Read original article](<https://goteleport.com/blog/troubleshooting-kubernetes-networking/>)

Author: sasha@goteleport.com (Sasha Klizhentas)

Published: 2022-04-26T00:00:00Z

Content type: tutorial

Language: en

Sources: [Teleport](<https://devfeed.tech/sources/teleport.md>)

Topics: [Kubernetes](<https://devfeed.tech/topics/kubernetes.md>), [Kubernetes networking](<https://devfeed.tech/topics/kubernetes-networking.md>), [Kubernetes clusters](<https://devfeed.tech/topics/kubernetes-clusters.md>), [networking](<https://devfeed.tech/topics/networking.md>)

Tags: [bridge](<https://devfeed.tech/tags/bridge.md>), [firewall](<https://devfeed.tech/tags/firewall.md>), [ip](<https://devfeed.tech/tags/ip.md>), [kernel](<https://devfeed.tech/tags/kernel.md>), [kubernetes](<https://devfeed.tech/tags/kubernetes.md>), [kubernetes-clusters](<https://devfeed.tech/tags/kubernetes-clusters.md>), [kubernetes-networking](<https://devfeed.tech/tags/kubernetes-networking.md>), [modules](<https://devfeed.tech/tags/modules.md>), [networking](<https://devfeed.tech/tags/networking.md>), [troubleshooting](<https://devfeed.tech/tags/troubleshooting.md>), [udp](<https://devfeed.tech/tags/udp.md>), [vxlan](<https://devfeed.tech/tags/vxlan.md>)

## AI overview

Part 1 of a Kubernetes troubleshooting series focuses on networking failures, including traffic forwarding, bridge-netfilter settings, and firewall rules affecting overlay network traffic. It explains how these failures manifest and outlines ways to diagnose and fix them.

## Source excerpt

Part 1 of our Troubleshooting Kubernetes series focuses on networking, listing common issues we have encountered along with easy ways to troubleshoot them.