Hello Team,I am ran in to wierd problem here , below is my simple topologie. R1 (Lo0 - 192.168.254.204)<=> R2 (Lo0-192.168.254.27)<GRE> R3 <=> R4 <=> R5 <=> R6 <=> R7 (Lo0-192.168.254.160) We are running is-is as igp & mpls is enbled on routes. Goal ...