Usage: mrtree -ndt? -T secs -M depth -r retries -c community host mrtree -ndt? -T secs -M depth -r retries -c community host ...

Usage: mrtree [-ndt?] [-T secs] [-M depth] [-r retries] [-c community] host
       mrtree [-ndt?] [-T secs] [-M depth] [-r retries] [-c community] host source
       mrtree [-ndt?] [-T secs] [-M depth] [-r retries] [-c community] host group source
       
 -n           Display IP addresses in numeric format
 -d           Compute statistics
 -t           View tree for packets with time to live
 -T seconds   Timeout in seconds for IGMP/SNMP queries (default 2) 
 -M depth     Maximum depth of the tree being calculated
 -r retries   Number of extra times to send the SNMP queries (default = 0)         
 -c community Use alternate community string
 -?           Print Usage