Previously, I have 02 ONS15305 (STM-16 opt,E1x63,E100-Wan-8, GigE-Wan-2 cards) to provides E1,FE,GE services from Node1 (host) to Node2.Now I insert 02 ONS15454 b/w these nodes. The new topo is: Node1 (305) ---STM16--->Node2(454-Host)---STM16--->Node...