Date: Tue, 16 May 1995 15:42:11 -0500 (CDT) From: "Eric L. Hernes" <erich@rrnet.com> To: "Rodney W. Grimes" <rgrimes@gndrsh.aac.dev.com> Cc: rashid@haven.ios.com, hackers@FreeBSD.org Subject: Re: alias ( secondary IP ) for Ethernet Ifaces in FreeBSD Message-ID: <Pine.3.89.9505161553.A5038-0100000@rrnet.com> In-Reply-To: <199505161914.MAA08933@gndrsh.aac.dev.com>
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On Tue, 16 May 1995, Rodney W. Grimes wrote:
> >
> >
> >
> > On Mon, 15 May 1995, Rashid Karimov. wrote:
> >
> > > For example , I have ep0 iface and I want to assign the
> > > secondary( alias) IP address to it .
> > > What command should be issued ?
> > >
> > > ifconfig ep0 alias 199.199.199.22
> >
> > should be
> > ifconfig ep0 199.199.199.22 alias
> >
> > while we're on the subject is there an ``official'' place in /etc/rc*
> > that these should go???
>
> Can the alias appear on the same command as the ifconfig that brings
> the interface up? If so the place to do this is /etc/sysconfig,
> ifconfig_ep0="blah blah".
I think that they need different ifconfig's here's what I tried...
bash$ sudo ifconfig ep0 172.16.0.30 204.124.122.99 alias
bash$ ifconfig -au
ed0: flags=8863<UP,BROADCAST,NOTRAILERS,RUNNING,SIMPLEX,MULTICAST> mtu 1500
inet 204.124.120.30 netmask 0xffffff00 broadcast 204.124.120.255
ether 02:60:8c:dc:5b:e8
lo0: flags=8009<UP,LOOPBACK,MULTICAST> mtu 16384
inet 127.0.0.1 netmask 0xff000000
(no ep0)
bash$ sudo ifconfig ep0 172.16.0.30 alias 204.124.122.99
bash$ ifconfig -au
ed0: flags=8863<UP,BROADCAST,NOTRAILERS,RUNNING,SIMPLEX,MULTICAST> mtu 1500
inet 204.124.120.30 netmask 0xffffff00 broadcast 204.124.120.255
ether 02:60:8c:dc:5b:e8
lo0: flags=8009<UP,LOOPBACK,MULTICAST> mtu 16384
inet 127.0.0.1 netmask 0xff000000
(still no ep0, but we've already kind of decided that the position of `alias'
isn't important)
bash$ sudo ifconfig ep0 172.16.0.30
bash$ sudo ifconfig ep0 204.124.122.99 alias
ifconfig: ioctl (SIOCAIFADDR): File exists
bash$ netstat -i
Name Mtu Network Address Ipkts Ierrs Opkts Oerrs Coll
ed0 1500 <Link>02.60.8c.dc.5b.e8 4565771 256 454861 0 3249
ed0 1500 204.124.120 jake 4565771 256 454861 0 3249
ed0 1500 204.124.121 jake1 4565771 256 454861 0 3249
ed0 1500 204.124.122 204.124.122.30 4565771 256 454861 0 3249
lp0* 1500 <Link> 0 0 0 0 0
ep0 1500 <Link>00.20.af.d3.f3.8c 17684 0 25790 1 0
ep0 1500 172.16 jake0 17684 0 25790 1 0
ep0 1500 204.124.122 204.124.122.99 17684 0 25790 1 0
lo0 16384 <Link> 68 0 68 0 0
lo0 16384 your-net localhost 68 0 68 0 0
now they are there, and i probably should have been doing `netstat -i' all
along. ed0 and ep0 both have a few aliases.
> If not I'll have to enhance the current handling of ifconfig in
> /etc/netstart and /etc/sysconfig to deal with it.
>
right now i've got the ifconfig stuck into /etc/rc.local but it's ugly.
>
> --
> Rod Grimes rgrimes@gndrsh.aac.dev.com
> Accurate Automation Company Custom computers for FreeBSD
>
erich.
--
erich@rrnet.com
erich@lodgenet.com
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