[Solved] Given this CNI config snippet:{ "cniVersion": "0.4.0", "name": "mynet", "type": "bridge", "bridge": "cni0", "ipMasq": true, "ipam": { "type": "host-local", "subnet": "10.22.0.... | Kubernetes

Kubernetes - Networking

Given this CNI config snippet:

{
  "cniVersion": "0.4.0",
  "name": "mynet",
  "type": "bridge",
  "bridge": "cni0",
  "ipMasq": true,
  "ipam": {
    "type": "host-local",
    "subnet": "10.22.0.0/16"
  }
}

What IP subnet will pods get addresses from?

A172.16.0.0/12

B192.168.1.0/24

C10.22.0.0/16

DNone, IPs are assigned dynamically

Step-by-Step Solution

Solution:

Step 1: Locate subnet in config
The subnet is specified inside the "ipam" section as "10.22.0.0/16".
Step 2: Understand IP assignment
Pods will get IPs from the defined subnet range in the config.
Final Answer:
10.22.0.0/16 -> Option C
Quick Check:
Subnet in ipam = 10.22.0.0/16 [OK]

Quick Trick: Look inside "ipam" for subnet to find pod IP range [OK]

Common Mistakes:

Ignoring the subnet field
Choosing default Kubernetes pod subnet
Thinking IPs are random without subnet

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Given this CNI config snippet:

Step 1: Locate subnet in config

Step 2: Understand IP assignment

Final Answer:

Quick Check:

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