another question: in my logs appears very frequently the folowing entry: dhcpd: DHCPINFORM from 192.168.0.111 though my interfaces have nothing to do with that ip/subnet, as you can see below [root@g38]:~# ifconfig | grep inet | cut -f2 -d: | cut -f1-3 -d. 193.231.237 192.168.10 80.96.69 127.0.0 any ideas ? thanks, petre On Tuesday 17 December 2002 00:45 Anno Domini, Donald Becker wrote using one of his keyboards: > On Tue, 17 Dec 2002, Petre Bandac wrote: > > [root@g38]:~# tail -f /var/log/all | grep dhcp > > Dec 16 20:16:34 g38 dhcpd: DHCPRELEASE of _IP_ from _MAC_ via eth2 > > (found) Dec 16 20:16:35 g38 dhcpd: DHCPDISCOVER from _MAC_ via eth2 > > Dec 16 20:16:36 g38 dhcpd: DHCPOFFER on _IP_ to _MAC_ via eth2 > > Dec 16 20:16:36 g38 dhcpd: DHCPREQUEST for _IP_ from _MAC_ via eth2 > > Dec 16 20:16:36 g38 dhcpd: DHCPACK on _IP_ to _MAC_ via eth2 > > Dec 16 20:36:50 g38 dhcpd: DHCPREQUEST for _IP_ from _MAC_ via eth2 > > Dec 16 20:36:50 g38 dhcpd: DHCPACK on _IP_ to _MAC_ via eth2 > > Dec 16 22:43:12 g38 dhcpd: DHCPINFORM from 192.168.0.111 > > > > what is the order of a dhcp negotiation as viewed from syslog ? > > It depends on the protocol > bootp - the base protocol > Request,Response > DHCP Adds options to bootp > Discover, Offer, Request, Ack > PXE Adds complexity to DHCP > Discover, Offer, Request, Ack, <Request, Inform...> > > The reason for the four-phase DHCP is that offer isn't binding. > The client is allowed to choose or ignore the offer, and the server is > allowed to say "Nack, too late, I gave that address to someone else". > > The 'inform' messages are used when the client already has an address > and wants to extend the lease or get additional info. > > > in the rfc's I looked I did't find explicitely the order .... > > See RFC2131 or the search for the PXE specs on developer.intel.com -- 19:38:58 up 7:11, 1 user, load average: 0.10, 0.10, 0.06 - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
