Date: Tue, 16 Mar 1999 16:46:36 +0000 From: Kiril Mitev <kiril@idea.co.uk> To: freebsd-questions@freebsd.org Subject: IP aliasing - shant , wont , no way ! Message-ID: <99031617075801.09234@loki.idea.co.uk>
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or is it me :-) ?
here is ifconfig command 1:
ifconfig tl0
and here is the output:
tl0: flags=8802<BROADCAST,SIMPLEX,MULTICAST> mtu 1500
ether 00:80:5f:ed:4a:5d
media: autoselect (10baseT/UTP <half-duplex>)
supported media: 10baseT/UTP <full-duplex> autoselect .......ETC
ifconfig command 2:
ifconfig tl0 inet 194.36.20.10 netmask 0xffffff00 broadcast 194.36.20.255
followed by "ifconfig tl0" gives :
tl0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
inet 194.36.20.10 netmask 0xffffff00 broadcast 194.36.20.255
ether 00:80:5f:ed:4a:5d ......... ETC
so far so good...now, ifconfig command 3:
ifconfig tl0 alias 194.36.20.201
produces
ifconfig: ioctl (SIOCAIFADDR): File exists
OK, fine, this is obviously NOT the way to do it, so clean out the
settings, and confirm with "ifconfig tl0":
tl0: flags=8802<BROADCAST,SIMPLEX,MULTICAST> mtu 1500
ether 00:80:5f:ed:4a:5d
media: autoselect (10baseT/UTP <half-duplex>) .. BLAH BLAH BLAH
ifconfig command 4:
ifconfig tl0 inet 194.36.20.10 netmask 0xffffff00 broadcast 194.36.20.255 alias 194.36.20.201
check with "ifconfig tl0"
tl0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
inet 194.36.20.10 netmask 0xffffff00 broadcast 194.36.20.201
HUH??-------------------------^^^^^^^^^^^^^^^^^^^^^^^
ether 00:80:5f:ed:4a:5d
media: autoselect (10baseT/UTP <half-duplex>)
another clean-out, followed by ifconfig command 5:
ifconfig tl0 inet 194.36.20.10 alias 194.36.20.201 netmask 0xffffff00 broadcast 194.36.20.255
(basically, move 'alias' up front), check again:
tl0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
inet 194.36.20.10 netmask 0xffffff00 broadcast 194.36.20.255
ether 00:80:5f:ed:4a:5d .. ETC
is it me, the man page, ifconfig, or the weather in Timbuktoo ?????
any and all pointers appreciated....
P.S.
# uname -a
FreeBSD MYHOST 3.0-RELEASE FreeBSD 3.0-RELEASE
TIA...
--
Kiril
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