Re: rc.conf - setting interface UP without IP-address?

From: Rein Kadastik (wigry_at_uninet.ee)
Date: 08/31/05

  • Next message: Ewald Jenisch: "Re: rc.conf - setting interface UP without IP-address?" 
    Date: Wed, 31 Aug 2005 14:41:45 +0300
To: freebsd-questions@freebsd.org

    Excuse me for a silly question, but what the hell is UP? I know, what is
    IP, I know how ifconfig works, but wtf is UP?

    Rein

    Giorgos Keramidas wrote:

    >On 2005-08-31 11:02, Ewald Jenisch <a@jenisch.at> wrote:
    >
    >
    >>I'm looking for a way to set an interface UP using /etc/rc.conf
    >>without giving the interface an IP-address (i.e. neither static nor
    >>DHCP)
    >>
    >>Background: The machine in question has three Ethernet-IFs - one
    >>connects to the LAN (and has an IP-address) the other two are used for
    >>monitoring traffic via ethereal only. For security reasons I don't
    >>want to assign IP-addresses to the two "ethereal-only" interfaces -
    >>but I need them "UP".
    >>
    >>Sure enough I can "up" these interfaces manually but I want them up at
    >>boot-time.
    >>
    >>I've tried with entries like e.g.
    >>
    >>ifconfig_fxp1=""
    >>ifconfig_fxp1="UP"
    >>
    >>in my /etc/rc.conf - none of these work.
    >>
    >>
    >
    >Try "up" (lowercase) instead.
    >
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  • Next message: Ewald Jenisch: "Re: rc.conf - setting interface UP without IP-address?"

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