First of all, are you encountering any issues ? There is an outstanding issue with the address alias and improper routing table update that I am actively working on.
--Qing > -----Original Message----- > From: owner-freebsd-...@freebsd.org [mailto:owner-freebsd- > n...@freebsd.org] On Behalf Of Oleg Cherevko > Sent: Wednesday, June 29, 2011 8:11 AM > To: freebsd-net@freebsd.org > Subject: ifconfig alias: same subnet netmask question > > Hi All, > > When describing the "alias" parameter ifconfig manpage claims that "If > the address is on the same subnet as the first network address for this > interface, a non-conflicting netmask must be given. Usually 0xffffffff > is most appropriate." > > Taking into account that FreeBSD supports aliases from the same subnet > with identical netmask for 6+ years now, does this statement still make > sense? And what does this "conflicting netmask" stand for (I mean in > the > context of more or less recent FreeBSD versions, say 8.0+)? > > Are there any drawbacks in setting aliases like this: > ifconfig em0 inet 192.168.1.1 netmask 0xffffff00 > ifconfig em0 inet 192.168.1.2 netmask 0xffffff00 > instead of traditional: > ifconfig em0 inet 192.168.1.1 netmask 0xffffff00 > ifconfig em0 inet 192.168.1.2 netmask 0xffffffff > (again, for more or less recent FreeBSD versions)? > > -- > Olwi > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org" _______________________________________________ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"
