Date: Wed, 30 Jan 2008 14:59:05 -0500 From: Jerry McAllister <jerrymc@msu.edu> To: Bhuvaneswari Ramkumar <ramkumar@iastate.edu> Cc: Jerry McAllister <jerrymc@msu.edu>, freebsd-questions@freebsd.org Subject: Re: Network configuration in FreeBSD Message-ID: <20080130195905.GE80674@gizmo.acns.msu.edu> In-Reply-To: <7c7927920801300957m5bb6e402p53f59786fb534a72@mail.gmail.com> References: <20080128214202.GO41095@hal.rescomp.berkeley.edu> <200801292108.47352.wahjava.ml@gmail.com> <7c7927920801300847v665e7322ufb512701c0b1070a@mail.gmail.com> <200801302244.25990.wahjava.ml@gmail.com> <7c7927920801300919v4df4786bsc97c8e027dda4e5a@mail.gmail.com> <20080130175155.GA80106@gizmo.acns.msu.edu> <7c7927920801300957m5bb6e402p53f59786fb534a72@mail.gmail.com>
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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 should mention that the line changes if you are using DHCP for dynamic IP assignment. Then, your system will query the net for a DHCP server to assign an IP and other DNS information. I only have fixed IPs right now, so I don't know the syntax for that off the top of my head. You can look it up. ////jerry > > On Wed, Jan 30, 2008 at 12:51 PM, Jerry McAllister <jerrymc@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@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/ > > > > ?-- ?- ???? ?--- ?- ???- ?- ?--?-? --? -- ?- ?? ?-?? ?-?-?- -?-? --- > > -- > > > > > > > > > _______________________________________________ > > > freebsd-questions@freebsd.org mailing list > > > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > > > To unsubscribe, send any mail to " > > freebsd-questions-unsubscribe@freebsd.org" > >
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