Because everyone loves a Single Point of Failure? /s It is probably because they don't provide the failover and assume you have a standby LB and an active LB.

Because everyone loves a Single Point of Failure? /s It is probably because they don't provide the failover and assume you have a standby LB and an active LB. So only one needs to be shown and you handle the failover on the application side rather on their side. At least, that is what I generally see that sort of thing in.