Re: Using different IP config than what DHCP provides

2010-05-07 Thread John R. Levine

than the default one DHCP offers.  It is a pain to have to kill
dhclient and do the ifconfig and route commands manually.


There are enough hooks in dhclient-script(8) to do this, assuming you
have some way for the system to recognize where it is programatically.


Ah, right.  It looks like can put it in /etc/dhclient-enter-hooks, check 
for the SSID and change $new_host_name,  $new_ip_address, 
$new_subnet_mask,  $new_broadcast_address, and $new_routers.


Regards,
John Levine, jo...@iecc.com, Primary Perpetrator of "The Internet for Dummies",
Information Superhighwayman wanna-be, http://www.johnlevine.com, ex-Mayor
"More Wiener schnitzel, please", said Tom, revealingly.
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Re: Using different IP config than what DHCP provides

2010-05-07 Thread Lowell Gilbert
John Levine  writes:

> I run FreeBSD 8.0 on my laptop, works great, when I take it with me I
> open it up, wpa_supplicanr finds a network and DHCP configures it.
>
> On a few networks, though, I want to use a different network setup than
> the one that DHCP provides.  Is there any reasonable way to arrange
> so that when I'm connected to specific network SSIDs, It runs a config
> script I write rather than running dhclient, perhaps with a shim in
> front of dhclient?
>
> The situation, in case you're wondering, is that the wifi in most of
> the local coffee shops is run by the same ISP that hosts my servers,
> and when I'm on their network, I want to set up in my IP range rather
> than the default one DHCP offers.  It is a pain to have to kill
> dhclient and do the ifconfig and route commands manually.

There are enough hooks in dhclient-script(8) to do this, assuming you
have some way for the system to recognize where it is programatically.


-- 
Lowell Gilbert, embedded/networking software engineer, Boston area
http://be-well.ilk.org/~lowell/
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Using different IP config than what DHCP provides

2010-05-06 Thread John Levine
I run FreeBSD 8.0 on my laptop, works great, when I take it with me I
open it up, wpa_supplicanr finds a network and DHCP configures it.

On a few networks, though, I want to use a different network setup than
the one that DHCP provides.  Is there any reasonable way to arrange
so that when I'm connected to specific network SSIDs, It runs a config
script I write rather than running dhclient, perhaps with a shim in
front of dhclient?

The situation, in case you're wondering, is that the wifi in most of
the local coffee shops is run by the same ISP that hosts my servers,
and when I'm on their network, I want to set up in my IP range rather
than the default one DHCP offers.  It is a pain to have to kill
dhclient and do the ifconfig and route commands manually.

TIA,
John



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