geek-cookbook/docs/blog/posts/changelog/updated-metallb-v4.md

date, categories, tags, links

date	categories	tags	links
2023-01-16	CHANGELOG	kavita	MetalLB recipe /kubernetes/loadbalancer/metallb.md

Updated MetalLB recipe for CRDs

Prior to v0.13, [MetalLB][metallb] was configured using a ConfigMap. This has all changed now, and CRDs are required to perform configuration (which improves syntax checking, abong other things)

MetalLB offers a network load balancer implementation which workes on "bare metal" (as opposed to a cloud provider).

MetalLB does two jobs:

1. Provides address allocation to services out of a pool of addresses which you define
2. Announces these addresses to devices outside the cluster, either using ARP/NDP (L2) or BGP (L3)

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