On Monday 26 December 2005 16:56, Erik Norgaard wrote: > Yuan Jue wrote: > > On Sunday 25 December 2005 23:15, Erik Nørgaard wrote: > >>Yuan Jue wrote: > >>>one more question > >>>since I use a fixed IP address in my dormitory and a dynamic IP address > >>>in the classroom or library, i need to change my local NIC configure > >>> from time to time. In fact, I use the fixed IP address as my default > >>> setting, which is as follows: > >>> > >>>what is the right way to do it? or is there any better solution for my > >>>situation? > >> > >>Try to take a look at dhclient.conf(5) and dhclient(8) and set all > >>interfaces to be configured with dhcp. I think it should be posible to > >>configure default values so there is something to fall back on if a > >>lease is not obtained. > >> > >>Note that dhclient is new in FBSD 6, this is also why you had to take > >>down the other interface. The old dhclient would reset all dhcp > >>configured interfaces, the new doesn't, which is quite neat because > >>usually you would have the two interfaces connected to /different/ > >>networks. > > > > thanks for your explanations about DHCP in FreeBSD 6.0, although I > > still cannot find a way to config dhclient.conf to solve my problem :) > > Of course I guess you read the man-page, but maybe you didn't see this: > yes, i do
> The dhclient.conf file can be used to configure the behaviour of the > client in a wide variety of ways: protocol timing, information > requested from the server, information required of the server, > defaults to use if the server does not provide certain information, > values with which to override information provided by the server, or > values to prepend or append to information provided by the server. > The configuration file can also be preinitialized with addresses to > use on networks that do not have DHCP servers. > > It appears you can set some default values: > > default { [option declaration] [, ... option declaration] } > If for some set of options the client should use the value sup- > plied by the server, but needs to use some default value if no > value was supplied by the server, these values can be defined > in the default statement. > > I would assume that if you set defaults this way, defaults will also > take place if no lease is obtained at all - at least that would be very > usefull. Something like this I guess: > > interface bge0 { > default { > fixed-address your-fixed-ip-here; > subnet-mask your-fixed-subnet-mask-here; > ... > } > } > sorry, I still don't quite get what you mean. it seems my default setting is this though it is not written in dhclient.conf. > You might want to toggle timeout so defaults take effect faster. > > If both interfaces are configured with dhcp then dhclient will > unconfigure the interface if there is no connection be it wired or > wireless and the configuration of the working interface should take effect. how can I configure the wireless interface to use DHCP in dhclient.conf? like as follows? interface ath0 { default { script "/etc/dhclient-script"; } } looking forward more explanations thanks -- Best Regards. Yuan Jue _______________________________________________ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"