Hi,   We have HA branch network with two Cisco router having WAN links each for connectivity to home office and for redundancy. We are planning to replace C4500 closet switch with 4 Meraki MS390 switches. Would like to seek suggestions on switches stack design. Which option would be more reliable, and provides highavaibilty and meaningful ?   1.  2 x MS390 in a stack connecting to primary router. 2.  2 x MS390 in a stack connecting to secondary router                                  or 4 x MS390 in a stack connecting to primary & secondary router. ... View more