Date: 06 Jun 2002 19:10:06 +0400 From: "Vladimir B. " Grebenschikov <vova@sw.ru> To: Marko Zec <zec@tel.fer.hr> Cc: Christophe Prevotaux <c.prevotaux@hexanet.fr>, "net@freebsd.org" <net@freebsd.org> Subject: Re: [HELP] IPless VLAN interfaces Message-ID: <1023376206.470.40.camel@vbook.express.ru> In-Reply-To: <3CFF7644.F4F5CC1@tel.fer.hr> References: <20020606125126.3d44145c.c.prevotaux@hexanet.fr> <1023373804.470.20.camel@vbook.express.ru> <3CFF7644.F4F5CC1@tel.fer.hr>
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χ Thu, 06.06.2002, Χ 18:48, Marko Zec ΞΑΠΙΣΑΜ:
> > # ifconfig fxp0 1.1.1.1/24
> > # ifconfig vlan0 1.1.1.1/32
> > # ifconfig vlan1 1.1.1.1/32
> > # ifconfig vlan2 1.1.1.1/32
>
> This will never work - you can't have the same IP address/mask on more than
> one interface.
Sure ? Do have try cut and paste my example into xterm ?
vbook#/sys/i386/compile/VBOOK 142_> ifconfig -a
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
inet 127.0.0.1 netmask 0xff000000
fxp0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
inet 192.168.1.111 netmask 0xffffff00 broadcast 192.168.1.255
ether 08:00:46:04:31:b3
media: Ethernet autoselect (100baseTX)
status: active
vbook#/sys/i386/compile/VBOOK 143_> ifconfig lo0 1.1.1.1/32 alias
vbook#/sys/i386/compile/VBOOK 144_> ifconfig fxp0 1.1.1.1/32 alias
vbook#/sys/i386/compile/VBOOK 145_> uname -a
FreeBSD vbook.express.ru 5.0-CURRENT FreeBSD 5.0-CURRENT #3: Fri May 24
15:49:21 MSD 2002
root@vbook.express.ru:/usr/obj/usr/local/src/sys/VBOOK i386
vbook#/sys/i386/compile/VBOOK 147_> ifconfig -a
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
inet 127.0.0.1 netmask 0xff000000
inet 1.1.1.1 netmask 0xffffffff
fxp0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
inet 192.168.1.111 netmask 0xffffff00 broadcast 192.168.1.255
inet 1.1.1.1 netmask 0xffffffff broadcast 1.1.1.1
ether 08:00:46:04:31:b3
media: Ethernet autoselect (100baseTX)
status: active
Both addresses are work:
vbook#/sys/i386/compile/VBOOK 153_> ping -R -S 1.1.1.1 127.0.0.1
PING 127.0.0.1 (127.0.0.1) from 1.1.1.1: 56 data bytes
64 bytes from 127.0.0.1: icmp_seq=0 ttl=64 time=0.167 ms
RR: localhost (127.0.0.1)
1.1.1.1
64 bytes from 127.0.0.1: icmp_seq=1 ttl=64 time=0.150 ms (same
route)
vbook#/sys/i386/compile/VBOOK 154_> ping -n -R -S 1.1.1.1 192.168.1.109
PING 192.168.1.109 (192.168.1.109) from 1.1.1.1: 56 data bytes
64 bytes from 192.168.1.109: icmp_seq=0 ttl=64 time=1.836 ms
RR: 192.168.1.109
1.1.1.1
64 bytes from 192.168.1.109: icmp_seq=1 ttl=64 time=1.600 ms (same
route)
(use loopback not best way to do this, but you can try any interface)
> What OS are you running?
# uname -a
FreeBSD vbook.express.ru 5.0-CURRENT FreeBSD 5.0-CURRENT #3: Fri May 24
15:49:21 MSD 2002
root@vbook.express.ru:/usr/obj/usr/local/src/sys/VBOOK i386
Same setup works well on 4-STABLE
> Marko
>
--
Vladimir B. Grebenschikov
vova@sw.ru, SWsoft, Inc.
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