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July 29, 2019

GCP Load Balancer Local Routing Table

Test if the GCP Load Balancer is working by sending a curl command from the backend VM.

Assume the load balancer IP address is 10.1.2.99, and the VM is called vm-a1.

curl http://10.1.2.99

curl http://10.1.2.99

The end result is …

Page served from: vm-a1

Page served from: vm-a1

Make sure there’s an entry in the local table that matches the IP of the load balancer.

ip route show table local | grep 10.1.2.99

ip route show table local | grep 10.1.2.99

If not, add it.

ip route add to local 10.1.2.99/32 dev eth0 proto 66

ip route add to local 10.1.2.99/32 dev eth0 proto 66

Documentation

Filed Under: Cloud, Linux Tagged With: curl, gcp, load balancer, local, route, table

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I'm Ulysses, a Cloud Engineer at Cardinal Health based in Columbus, Ohio. I’m a certified AWS Solutions Architect. This website is my way of documenting the things I have learned in the Cloud. When off the grid, I enjoy riding my electric skateboard. I have surfed, snowboarded and played the saxophone in the past. I hope you will find this site helpful. It's powered by WordPress and hosted in AWS LightSail.

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