BGP multipath allows you to install multiple internal BGP paths and multiple external BGP paths to the forwarding table. Selecting multiple paths enables BGP to load-balance traffic across multiple links.
MetalLB is a young project of a load-balancer implementation for bare metal Kubernetes clusters, using standard routing protocols. Ingress exposes HTTP and HTTPS routes from outside the cluster to services
When we want to make Calico and MetalLB working together with BGP, we’ll run into the following issue: BGP only allows one session to be established per pair of nodes.
