These things happen when a skinflint company contracts out network setup for a decade, gets acquired by another skinflint company who axes the contractors and doesn’t hire on-site network personnel, gradually builds out infra on top of the unsupported foundation, and then hires c suite buddies who want to bring in their own people to further muddy the waters.
That and BGP
If I had a nickel for every time clearing the ARP tables fixed a problem, I’d have a shitload of nickels.
If clearing the ARP tables fixes the issue you have bigger problems
These things happen when a skinflint company contracts out network setup for a decade, gets acquired by another skinflint company who axes the contractors and doesn’t hire on-site network personnel, gradually builds out infra on top of the unsupported foundation, and then hires c suite buddies who want to bring in their own people to further muddy the waters.