My setup includes two MX84's in Warm Spare configuration and we have two ISPs
Our primary ISP contains a /29 IP block and /30 gateway, meaning we can only configure one MX for this ISP.
Our secondary ISP contains a /29 IP block, so I have set up both WAN2 Uplinks with an IP from this block and want to set a VIP.
My Question is, if I want to set the VIP for the Secondary Uplink, can I leave the field blank for the Primary Uplink and have the VIP be 'ignored' for this Uplink? Or, once VIP is enabled, it has to be set for both Uplink sets (WAN1 and WAN2)?
"the secondary uplink virtual IP for a warm spare is an optional field. But if a warm spare is configured and the second uplink is enabled, and the virtual IP is not set, the security appliance will not behave correctly."