Date: Thu, 21 Aug 2008 13:44:04 -0500 From: Brooks Davis <brooks@freebsd.org> To: Popof Popof <popofnewslists@gmail.com> Cc: FreeBSD Net <freebsd-net@freebsd.org> Subject: Re: How to make two vlans on one interface working with dhclient Message-ID: <20080821184404.GA46725@lor.one-eyed-alien.net> In-Reply-To: <9196e72b0808200613q4557b034t9ab3e80d0ff1ec08@mail.gmail.com> References: <9196e72b0808200613q4557b034t9ab3e80d0ff1ec08@mail.gmail.com>
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On Wed, Aug 20, 2008 at 03:13:00PM +0200, Popof Popof wrote:
> Hi,
> I have a FreeBSD 6.0 box andi need to configure it in a way that I must u=
se
> 2 vlans under one interface and both of them will get an address thanks to
> dhclient.
>=20
> So in order to make this job I created vlans:
>=20
> ifconfig rl0.100 create
> ifconfig rl0.2101 create
> The vlans are created without any problem.
> But I also want to retrieve an diffrent ip address from a dhcpd server on
> the two of them.
> I've made a specific dhclient.conf for each one:
>=20
> interface "rl0.100" {
> #My options
> }
> interface "rl0.2101" {
> #My options
> }
Unless it's absolutly necessicary I don't recommend using dhclient.conf. I
don't test it.
> When I launch dhclient on only one interface (100 or 2101) it's works fine
> and I get an ip address (class B on vlan 100 and class A on vlan 2101).
> But if I launch dhclient on the second interface it's make an error:
>=20
> dhclient: Can't bind to dhcp address: Address already in use. Please make
> sure there is no other dhcp server runing and that there's no entry for d=
hcp
> or bootp in /etc/inetd.conf
>
> Does someone had an idea about how to fix this problem and having my two
> vlans working with dhclient?
The current dhclinet scripts don't really support this case. In theory if =
you
removed support for default routes and resolv.conf setting it should probab=
ly
work, but it's certainly not something I'd expect to work.
-- Brooks
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