3Com Router Command Reference Guide — V1.00Enable X25 XOT Event debugging functionsEnable SNMP headers debugging functionsEnable SNMP packets debugging functionsEnable SNMP process debugging functionsEnable SNMP traps debugging functions4.2 Network Test Tool Commands4.2.1 pingSyntaxping [ip] [ -a ip-address ] [ -c count ] [ -d ] [ -n ] [ -p pattern ] [ -q ] [ -R ] [ -r ] [ -ttimeout ] [ -s packetsize ] [ -v ] [ -o ] [ -f ] { ip-address | host }ViewAll viewsParameter-a ip-address: The source IP address routing.-c: Count of times that the ICMP ECHO-REQUEST packets is sent, ranging from 1 to4294967295.-d: Set socket to DEBUG mode.-n: Use the host parameter as the IP address without domain name resolution.-p: Pattern, ICMP ECHO-REQUEST packet filling bit, in the hex format. For example,-p ff fills all packets with ff.-q: No other detailed information but statistics is shown.-R: Record routes.-r: Transmit Echo-Request packets directly to the connected network without routeselection.-s: packetsize, The size of the ECHO-REQUEST packet (exclusive of the IP andICMP headers), counting in bytes.-t: Timeout time waiting for ECHO-RESPONSE after ECHO-REQUEST is sent,counting in ms.-v: Display non-ECHO-RESPONSE ICMP packets.-o: Set the TOS field of IP header, in the range of 0 to 7.68
