dhcping(8) General Commands Manual dhcping(8) (NAME) dhcping - DHCP (SYNOPSIS) dhcping [-v] [-q] [-i] [-r] -t maxwait -c client-IP-address -s server- IP-address -h client-hardware-address [-g gateway-IP-address] (DESCRIPTION) DHCP . : -v (verbose) . -i DHCPINFORM. -r DHCPREQUEST ( ). -q (quiet) . -t maxwait ( ). . -c client-IP-address IP. IP . -s server-IP-address DHCP IP. -h client-hardware-address (MAC) DHCP. () ( 01:02:03:04). -g gateway-IP-address IP DHCP. . (RETURN VALUES) 0 . 1 . (SETUP) setuid root (root) . (SECURITY) . DHCP dhcpd.conf : host { hardware ethernet ; fixed-address ; } : $ dhcping -c your monitoring host IP address \ -s your DHCP server IP address \ -h your monitor host mac address "no answer" "Got answer from: your DHCP server IP address" . (logfile) DHCP : DHCPREQUEST for 192.168.1.1 from 00:20:18:56:29:8f via ed0 DHCPACK on 192.168.1.1 to 00:20:18:56:29:8f via ed0 DHCPRELEASE of 192.168.1.1 from 00:20:18:56:29:8f via ed0 (found) DHCPINFORM -i: "DHCPINFORM from 192.168.1.1 via xl0: not authoritative for subnet 192.168.1.0" authoritative . dhcpd.conf(5) . (very verbose) dhcping DHCP (dump) . . (HOW IT WORKS) DHCPREQUEST DHCPINFORM . DHCPREQUEST DHCPRELEASE . (SECURITY) setuid root (bind) (bootpc) . (root) . (BUGS) ( ) ISC DHCP (leases) IP dhcpd.leases . DHCPINFORM (authoritative) . authoritative DHCPREQUEST . ISC DHCPD README . -V . dhcpdump(8) . . (AUTHOR) Edwin Groothuis, edwin@mavetju.org (http://www.mavetju.org) (SEE ALSO) dhcpd(8), dhclient(8), dhcpd.conf(5), dhcpdump(8) 3rd Berkeley Distribution Januari 27, 2002 dhcping(8)