Netmask issue
Antonio Guerrieri
antonio.guerrieri at unisalento.it
Thu Oct 1 15:16:03 UTC 2009
Hi all,
I have a dhcp3 server running on debian lenny hosted as virtual
machine on a xen server.
I am testing a new wireless system and I configured the dhcp in this
way:
subnet 10.0.200.0 netmask 255.255.254.0 {
range 10.0.200.10 10.0.201.254;
option broadcast-address 10.0.201.255;
option routers 10.0.200.1;
}
Well, mac and windows clients receive all 255.255.255.0 as netmask and
they "mysteriously" work "perfectly".
Some linux client (slackware) refuse, correctly, such netmask.
Sniffing packets revealed that clients receive 255.255.255.0.
I suspect that there is something related to virtual machine (the
physical server uses a different private IP from a C class).
Any idea?
Thanks,
Antonio
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