pods can't communicate with each other when in different subnet

[winkee01]

Environment

I have two nodes in cluster, A master and C is worker, B is a client machine(macOS) for hosting a VM (C). As the diagram shows,

• A has ip 10.10.0.1
• B has ip at
  • eth0 - 10.10.0.3
  • bridge100 - 172.16.3.1
• C has ip 172.16.3.7

C can ping 10.10.0.1 with success, and C as a worker node, joins A's cluster succefully.

I deploy an app which has two repicas, pod on A has ip 10.244.0.7, pod on C has ip 10.244.1.3, from what I know about the network requirement of kubernetes, pod A should be able to talke to pod C directly, but unfortunately, when I enter pod A, and try ping C's IP, it failed.

So, this violates Kubernetes's network mode requirement?

[rbrtbnfgl]

Hi. Do you still have this issue? Could you share your flannel config? Are you using VXLAN tunnel to connect the pods?

[stale[bot]]

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