From 5f5952973eabba189a887fb3a2f4378012533fef Mon Sep 17 00:00:00 2001 From: bl-ue <54780737+bl-ue@users.noreply.github.com> Date: Sun, 6 Dec 2020 08:17:59 -0500 Subject: [PATCH] Containers in a pod share their MAC address Containers in a pod share their MAC address as well as IP address --- .../docs/concepts/cluster-administration/networking.md | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/content/en/docs/concepts/cluster-administration/networking.md b/content/en/docs/concepts/cluster-administration/networking.md index 184b40c8dc..15f4222224 100644 --- a/content/en/docs/concepts/cluster-administration/networking.md +++ b/content/en/docs/concepts/cluster-administration/networking.md @@ -58,10 +58,11 @@ to containers. If your job previously ran in a VM, your VM had an IP and could talk to other VMs in your project. This is the same basic model. Kubernetes IP addresses exist at the `Pod` scope - containers within a `Pod` -share their network namespaces - including their IP address. This means that -containers within a `Pod` can all reach each other's ports on `localhost`. This -also means that containers within a `Pod` must coordinate port usage, but this -is no different from processes in a VM. This is called the "IP-per-pod" model. +share their network namespaces - including their IP address and MAC address. +This means that containers within a `Pod` can all reach each other's ports on +`localhost`. This also means that containers within a `Pod` must coordinate port +usage, but this is no different from processes in a VM. This is called the +"IP-per-pod" model. How this is implemented is a detail of the particular container runtime in use.