Hellocan someone suggest on the design. we had some issues recentlyCustomer site AISP-WAN-R1,ISP-WAN-R2, CUSt-WAN-R1 and CUSt-WAN-R2 run ospf and have their own area , area 0CUST-WAN-R1, CUST-WAN-R2, CUST-LAN-6509A and CUST-LAN-6509B run ospf and hav...