https://brainbit.uk/tags/gcp/Recent content in GCP on BrainBit Latest ArticlesHugo -- gohugo.ioen-usWed, 23 Dec 2020 13:22:03 +0000https://brainbit.uk/posts/gcp-internal-lbs-how-dirty/Wed, 23 Dec 2020 13:22:03 +0000https://brainbit.uk/posts/gcp-internal-lbs-how-dirty/If you ever decide to tcpdump on a node behind an GCP internal Loadbalancer you will be surprised to see that the packets aren’t destined to the interface ip on your VM , the ip headers maintain the destination address of the load balancer , let me draw it: I have a normal NLB passing traffic to a instance group with a bunch of dnsmasq nodes , nothing out of the ordinary.