Network configuration in FreeBSD

[Jerry McAllister]

On Wed, Jan 30, 2008 at 12:57:59PM -0500, Bhuvaneswari Ramkumar wrote:

> 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.

I am not quite sure what you are asking here, but you do have to
have the correct IP address and netmask and default router configured.
You can't just pick numbers out of the air.     I just used your
example numbers in my response.

////jerry

> 
> 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/
> > > > ?-- ?- ???? ?--- ?- ???- ?- ?--?-? --? -- ?- ?? ?-?? ?-?-?- -?-? ---
> > --
> > > >
> >
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