Network configuration in FreeBSD

Bhuvaneswari Ramkumar ramkumar at iastate.edu
Wed Jan 30 09:58:03 PST 2008


with the above assigned IP address and net-mask I'm reading to make it work
and ping my LAN successfully ( which it doesn't now)  before I put them in
the rc.conf script.

On Wed, Jan 30, 2008 at 12:51 PM, Jerry McAllister <jerrymc at msu.edu> wrote:

> On Wed, Jan 30, 2008 at 12:19:33PM -0500, Bhuvaneswari Ramkumar wrote:
>
> > ifconfig em0 up also doesnt help ping my LAN.
> >
> > the ifconfig -a output now reads the IP I just added, as well as the
> > net-mask & the 100 Mbps active linnk.
> >
> > quick question :
> >
> > I did an ifconfig em0 1.1.1.2  yday.should this be done everytime I
> restart
> > my application, is it some kind of a temporary address assignment, bcos
> > whatever I assigned was not visible today when I re-booted and I had to
> do
> > it again, probably I should set this in the conf file also ? maybe as
> > another user said my NIC is not enabled or something like that.
>
> You have to put it in /etc/rc.conf so it will be taken care of during
> network initialization each time you boot.     Everything at startup
> reads the /etc/rc.conf and finds variables it needs to do its startup
> and network startup does that too.   So, you put in a line like:
>
>  ifconfig_em0="inet 1.1.1.2  netmask 255.255.255.0"
> and
>  defaultrouter="1.1.1.3"
>
> Amongst a number of other startup settings in /etc/rc.conf
>
> network startup sees those and says 'oh, I know what to do with those'
> and runs the ifconfig, etc.
> Note that putting it in rc.cong only causes a 'ifconfig_em0' variable
> to be set to    "inet 1.1.1.2  netmask 255.255.255.0"
> and the 'defaultrouter' variable to be set to "1.1.1.3"
> It is up to the startup programs to do something about it.
>
> The startup programs are generally run from the /etc/rc script and
> from other scripts that it runs.
>
> ////jerry
>
> >
> >
> > On Wed, Jan 30, 2008 at 12:14 PM, ???????????? Ashish <
> wahjava.ml at gmail.com> wrote:
> >
> > > ,--[ On Wednesday 30 Jan 2008, Bhuvaneswari Ramkumar wrote:
> > > | I did have an IP address assigned to my ethernet interface( using
> the
> > > | ifconfig command)  but I'm unable to ping anybody in my LAN.
> > >
> > > In the 'ifconfig -a' output you posted earlier, the 'em0' (your
> desired
> > > interface) interface neither has any IP address assigned to it, nor
> its UP
> > > .
> > > So, if you've assigned an IP address to 'em0', then also make sure its
> UP,
> > > by
> > > doing 'ifconfig em0 up' .
> > >
> > > HTH
> > > --
> > > Ashish Shukla ???????????? ???????????????
> > > http://wahjava.wordpress.com/
> > > ท-- ท- ทททท ท--- ท- ททท- ท- ท--ท-ท --ท -- ท- ทท ท-ทท ท-ท-ท- -ท-ท ---
> --
> > >
>
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