DHCP
Tom ONeil
tom.oneil at tacni.com
Thu May 1 08:57:52 PDT 2003
MAC filtering from your provider.
Onyi C. Ejiasa wrote:
> Constantine,
>
> Sounds like a dilemma. I would say that the short answer is you need to hook up a keyboard and monitor to your box and run an ifconfig to see what address is listed per interface. You could probably figure this out with a bunch of painful guesswork, but you don't want to put yourself thru all that if you don't have to.
>
> I am confused with the whole "switcher" thing. What the heck is that? Are you referring to a 10base/100base switch or hub of some sort? My recommendation to you would be to get an inexpensive hub and a crossover cable. Connect these to your ZyXEL. Connect your BSD box and your laptop directly to the hub using straight thru cables.
>
> This will allow you to use/test/diagnose/whatever both boxes independent of eachother. Regardless if the BSD box is wiggin' out or not, the WinXP comp. should work (and vise versa).
>
> If this is not a option, then answer me some questions...
>
> 1.] What happens if you hook the DHCP nic on the FreeBSD box directly to the ZyXEL WITHOUT the "switcher"? Does it report an IP after running ifconfig?
> 2.] DO the same thing with the other network card in the BSD box. Are you able to ping from it to the router with an assigned ip on the same network?
>
> --------------------------------------------------------------
> Onyi C. Ejiasa
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> --------------------------------------------------------------
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> --------------------------------------------------------------
> ----- Original Message -----
> From: Constantine
> To: freebsd-isp
> Sent: Tuesday, April 29, 2003 5:05 PM
> Subject: DHCP
>
>
> Hello!
>
> I have a FreeBSD box with 2 Ethernet cards, win xp notebook, a DSL-modem
> ZyXEL P645ME+, and a switcher.
> First I connected the modem directly to win xp, the internet was working.
> Then I connected FreBSD and the modem to the switcher (I don't have a
> free crossover cable. Nothing else was connected to that switcher at the
> time), and win xp to the FreeBSD. The internet was not working on the
> FreeBSD, though after manually running "ifconfig sis0 192.168.1.18
> netmask 255.255.255.252" I could connect to the modem itself, but not to
> the internet (by default sis0 is set to the DHCP, and the modem supports
> DHCP, but it does not seem to give an address to the FreeBSD).
>
> Question 1:
> After I have made a few changes to the settings on the FreeBSD box, and
> restarted the system, I cannot connect to my FreeBSD box anymore. Is
> there a way to connect to the FreeBSD box, if the network addresses got
> messed up? One of the interfaces should be set to the DHCP, so is there
> a way, or an utility for win32 (cygwin, or just windows) to get back my
> access to the box, or will I need to borrow a monitor to fix that up?
>
> Question 2:
> And the second question is, why the modems DHCP server was not assigning
> the address to the FreeBSD? Could it be, because it was connected
> through a switcher? Now my win xp is connected through the same switcher
> to the same modem, and everything works fine...
>
> Just for a reference, these are a few lines that should be in my
> rc.conf. I was playing with the gateway, natd, and that kind of
> features, and after restarting I can no longer ping the box through the
> fxp0 interface with the address stated above.
> ifconfig_sis0="DHCP"
> ifconfig_fxp0="inet 192.168.0.18 netmask 255.255.255.0"
> gateway_enable="YES"
>
> Thank you for reading this letter,
> Constantine.
>
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