kubernetes-the-hard-way/docs/network.md

Managing the Container Network Routes

Get the routing Table

kubectl get nodes \
--output=jsonpath='{range .items[*]}{.name} {.status.addaddress} {.spec.podCIDR} {"\n"}{end}'

10.240.0.30 10.200.0.0/24

Add the routes

gcloud compute routes create default-route-10-200-0-0-24 \
  --next-hop-address 10.240.0.30 \
  --destination-range 10.200.0.0/24