I am confused about DHCP

Antonio M antonio.montagnani at gmail.com
Fri Jun 13 12:12:43 UTC 2008


2008/6/13 Timothy Murphy <gayleard at eircom.net>:

> Antonio M wrote:
>
> > I have a small LAN with DHCP running on Fedora 9. I checked the active
> > leases: this is the list of active leases
> > 1)I don't understand how IP address is connected to MAC address, i.e. if
> a
> > MAC has already an IP address, should a new lease be started with same
> MAC
> > address?? I see 5 IP's connected to same MAC address
> > 2) How are  the IP adressess released?? I would expect 192.168.0.63after
> > 192.168.0.62 and so on... (please note that 00:16:d4:dc:a7:08 sometimes
> is
> > started by F9 and sometimes by F10
>
> What does your /etc/dhcp.conf look like, as a matter of interest?
>
>
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#
# DHCP Server Configuration file.
#   see /usr/share/doc/dhcp*/dhcpd.conf.sample
#
#
# DHCP Server Configuration file.
# see /usr/share/doc/dhcp*/dhcpd.conf.sample
# dhcpd.conf
#
# Sample configuration file for ISC dhcpd
#

# option definitions common to all supported networks...
# option domain-name "fugue.com";
# option domain-name-servers toccata.fugue.com;

# option subnet-mask 255.255.255.0;
ddns-update-style none;
subnet 192.168.0.0 netmask 255.255.255.0 {
    range 192.168.0.51 192.168.0.250;
    option subnet-mask 255.255.255.0;
    option broadcast-address 192.168.0.255;
    option routers 192.168.0.1;
    option domain-name-servers 62.211.69.250 , 212.48.4.15;
    default-lease-time 604800;
    max-lease-time 2592000;
    }

tnx for help

-- 
Antonio Montagnani
Skype : antoniomontag
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