Re: Binding dhclient to a particular network interface

> The DHCP reference for ed1 means dhclient is started
(thereafter running
> continuously as a daemon), which sets ed1's IP address
to that assigned by
> the cable modem.
> 
> Note that dhclient generally runs as a daemon because
it has to handle lease
> renewals and/or expiration.  I have no issues with it
running as a daemon.

Oh, interesting. I had assumed the interface called dhclient
itself if 
the lease expired, or something.

> As you can see, local address is listed as
"*:68", which means its listening
> on port 68 on all interfaces.  I want to instruct
dhclient to only listen on
> my cable-modem facing network card.  If this were the
case, issuing the
> "sockstat -l4" command would return as above,
but with local address saying
>
"<<CABLE-MODEM-ASSIGNED-IP-ADDRESS>>:68&quo
t; (where
> <<CABLE-MODEM-ASSIGNED-IP-ADDRESS>> is,
unsurprisingly, the IP address
> assigned to the network card by the DHCP server in the
cable modem).

Is there a dhclient.conf somewhere in your /etc? That would
surely hold 
the answer. Possibly editing /etc/rc.d/dhclient or
/etc/netstart might 
help? I'm at the edge of my FreeBSD knowledge and in danger
of falling 
off, so I'll stop with the suggestions now. 

Adam J Richardson
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Adam,

No problem *smiles*.  I'm at the same limit myself after
all, and I do
appreciate you stepping forward with your suggestions.

Thanks again,

Jazz

----- Original Message ----- 
From: "Adam J Richardson" <fatman.ukgmail.com>
To: "Jasvinder S. Bahra" <bbdl21548blueyonder.co.uk>
Cc: <freebsd-questionsfreebsd.org>
Sent: Monday, July 30, 2007 1:02 AM
Subject: Re: Binding dhclient to a particular network
interface


> > The DHCP reference for ed1 means dhclient is
started (thereafter running
> > continuously as a daemon), which sets ed1's IP
address to that assigned
by
> > the cable modem.
> >
> > Note that dhclient generally runs as a daemon
because it has to handle
lease
> > renewals and/or expiration.  I have no issues with
it running as a
daemon.
>
> Oh, interesting. I had assumed the interface called
dhclient itself if
> the lease expired, or something.
>
> > As you can see, local address is listed as
"*:68", which means its
listening
> > on port 68 on all interfaces.  I want to instruct
dhclient to only
listen on
> > my cable-modem facing network card.  If this were
the case, issuing the
> > "sockstat -l4" command would return as
above, but with local address
saying
> >
"<<CABLE-MODEM-ASSIGNED-IP-ADDRESS>>:68&quo
t; (where
> > <<CABLE-MODEM-ASSIGNED-IP-ADDRESS>>
is, unsurprisingly, the IP address
> > assigned to the network card by the DHCP server in
the cable modem).
>
> Is there a dhclient.conf somewhere in your /etc? That
would surely hold
> the answer. Possibly editing /etc/rc.d/dhclient or
/etc/netstart might
> help? I'm at the edge of my FreeBSD knowledge and in
danger of falling
> off, so I'll stop with the suggestions now. 
>
> Adam J Richardson



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