Broadcast address leased to a client
Ivo Sabev
summerborn at gmail.com
Mon Sep 18 16:26:08 UTC 2006
Hi to all,
Recently I configured a dhcpd with following configuration file:
option domain-name "somedomain";
default-lease-time 345600;
max-lease-time 604800;
use-host-decl-names on;
option routers 192.168.62.17;
option domain-name-servers 192.168.62.17;
option netbios-name-servers 192.168.62.17;
option netbios-node-type 2;
option time-servers 192.168.62.17;
ddns-update-style interim;
ddns-updates on;
key DHCP {
algorithm somealgorithm;
secret "somekey";
};
subnet 192.168.62.16 netmask 255.255.255.240 {
range 192.168.62.20 192.168.62.31;
host kikin {
fixed-address 192.168.62.20;
hardware ethernet some MAC;
}
ddns-updates on;
ddns-domainname " somedomain.";
zone somedomain. {
primary 192.168.62.17;
key DHCP;
}
zone 0.62.168.192.in-addr.arpa. {
primary 192.168.62.17;
key DHCP;
}
}
As you can see I have made a mistake, in range 192.168.62.20 192.168.62.31;,
because the last ip is the broadcast ip of the subnet. Bu what was my
astonishment when a Windows XP SP2 succeeded in getting this broadcast
address without complaining.
My question is: Is it normal the dhcpd not to check that it is giving
broadcast address?
Best Regards Ivo Sabev
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