Hi I am still new and studying about networks have here 234.1.18.6/29 address and mask but when I try it out on Packet tracer it gets me an invalid message. I cannot understand why this address are invalid. jBbattery
The range 224.0.0.0 through 239.255.255.255 are multicast addresses. Try using a valid unicast address instead. (i.e., something below 223.255.255.255).
