I am setting 4ASRs forming OTV across two data centers, plz refer to the picture. for example,Long Ping Test:PC1 (192.168.10.88,vlan 100)ping to PC2 (192.168.10.89,vlan100) Normal Path: PC1->2960x->ASR02->DC1 CSW---->DC2 CSW->ASR01->2960x->PC2When D...