Hi,
I remember from earlier versions of FreeBSD that it had a restriction about
alias IP netmasks (somewhere in 3.x,4.x days)...
as explained here:
http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/configtuning-virtual-hosts.html
-------------------------------------
The calculation of alias netmasks is important, but fortunately quite simple.
For a given interface, there must be one address which correctly represents the
network's netmask. Any other addresses which fall within this network must have
a netmask of all 1s (expressed as either 255.255.255.255 or 0xffffffff).
-------------------------------------
However I tried on the loopback interface to add a 2nd IP with the same netmask
as the original IP and it accepts it fine. (on 6.2)
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
inet 127.0.0.1 netmask 0xff000000
inet 127.0.0.2 netmask 0xff000000
Is FreeBSD allowing this a bug or ???
If this is not a bug. What happens if an interface which is connecting to the
machine has 2 IP addresses with same netmask which is not 255.255.255.255? Does
FreeBSD use each IP randomly?
Thanks,
Evren
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