Network configuration in FreeBSD

[Bhuvaneswari Ramkumar]

strangely my /etc has no resolv.conf file at all !

On Wed, Jan 30, 2008 at 2:56 PM, Jerry McAllister <jerrymc at msu.edu> wrote:

> On Wed, Jan 30, 2008 at 01:01:18PM -0500, Bhuvaneswari Ramkumar wrote:
>
> > Is it a cause of concern if I dont have any route marked as default ?
> > I see so when i use the netstat command
>
> Yes.  You need a default router specified because that is the
> address that becomes your gateway to the rest of the network.
>
> You also need a nameserver specified in your /etc/resolv.conf file
> unless you plan to manually specify every other host you wish to talk to.
>
> ////jerry
>
> >
> > On Wed, Jan 30, 2008 at 12:57 PM, Bhuvaneswari Ramkumar <
> > ramkumar at iastate.edu> 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.
> > >
> > >
> > > 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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