[NBLUG/talk] Networking newbie

Ron Wickersham rjw at alembic.com
Tue Jan 10 14:01:51 PST 2006


hi William,

maybe i typed it in wrong.   we need the network address 10.0.0.0 in the
dhcp config.

but for ifconfig the broadcast needs to be 10.0.0.255.   if the ifconfig
is hosed, you'll need to type the whole thing...

ifconfig eth0 10.0.0.12 netmask 255.255.255.0 broadcast 10.0.0.255

and that should configure the interface.  (of course you'll need to
change the startup scripts to make the machine boot properly with a
static address).

-ron

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On Tue, 10 Jan 2006, A'fish'ionado wrote:

> Date: Tue, 10 Jan 2006 13:39:50 -0800
> From: A'fish'ionado <afishionado at gmail.com>
> To: "General NBLUG chatter about anything Linux, answers to questions,
>     etc." <talk at nblug.org>
> Subject: Re: [NBLUG/talk] Networking newbie
>
> # ifconfig eth0 broadcast 10.0.0.0
> SIOCSIFBRDADDR: Cannot assign requested address
> # ifconfig -a
> eth0      Link encap:Ethernet  HWaddr 00:50:8D:53:57:B3
>           BROADCAST MULTICAST  MTU:1500  Metric:1
>           RX packets:0 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:1000
>           RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)
>           Interrupt:201 Base address:0xc000
> ...
>
> Would this be an issue with the NIC hardware or just me doing
> something stupid? (My computer has networking on the motherboard.)
>
> > and that will fix it up (won't fix it when it reboots but that's another
> > issue you'll have to figure out based on how your distribution).
>
> Well, at least then I haven't permanently hosed anything yet. :-)
>
> > on the other hand if you wanted to make a giant subnet with 16 million
> > addresses for _all_ your machines ;-)
>
> I feel better about my sanity already. :-)
>
> William
>
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