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The mping Program

The mping program was written to test the Antigone transport layer without any security. This program can be useful to test whether your system supports multicast and whether you are specifying host addresses properly.

This program acts much like the standard ping program, except it supports multicast. One instance of mping must be set up as a server, which responds to ping requests. One or more client instances ping the server. The latency of each ping is reported.

mping takes the following command line arguments:

mping [-sap][-ma=<maddr>][-mp=<mport>][-sp=<sport>][-sa=<saddr>]

Where,

• -s : server flag
• -a : asymmetric multicast
• -p : point to point multicast
• -ma : multicast address (symmetric/asymmetric multicast)
• -mp : multicast port (symmetric/asymmetric)
• -sa : server address (client asymmetric/point to point)
• -sp : server port (asymmetric/point to point)

Client : % mping -ma=224.27.27.27 -mp=6000

Server : % mping -s -ma=224.27.27.27 -mp=6000

Client : % mping -a -ma=224.27.27.27 -mp=6000 -sa=192.168.27.4 -sp=5000

Server : % mping -a -s -ma=224.27.27.27 -mp=6000 -sp=5000

Client : % mping -p -sa=192.168.27.4 -sp=5000

Server : % mping -p -s -sp=5000