On Monday 01 November 2004 03:19 pm, H. S. wrote:
I would like a laptop to work in two kinds of networks automatically if possible. At home, I am running a DHCP server and if the laptop is connected to my switch(CAT5 cable to eth0) and booted up, it looks for and gets an IP address (it is running a dhcp client). Now when that laptop is taken to the university, the user needs to change the /etc/network/interfaces file to give the machine a static address. I am looking for a way that this choice between dhcp/static happens automatically.
I have been reading manpages of interfaces and learned we can map a physical device as logical devices and make it work in different modes. I am looking for examples where this is already done, the documentation in man interfaces is, well, not very clear about all the nuts and bolts, or so I believe. All help is appreciated.
Thanks, ->HS
I have a similar setup. I used ifplugd and guessnet. You have to modify slightly /etc/network/interfaces. I supposed you don't need ifplugd, but it is nice to be able to start up my laptop quickly without having any type of network cable installed. Once you plug a cable in, ifplugd will configure things for you.
Anyway, here are some snippets from my /etc/network/interfaces file:
# The primary network interface # turn off since ifplugd is controlling things #auto eth0
mapping eth0 script /usr/sbin/guessnet-ifupdown map default: none map timeout: 3 map verbose: true
iface work inet dhcp test-peer address x.x.x.x MAC.address
iface home inet static address 192.168.1.5 netmask 255.255.255.0 network 192.168.1.0 broadcast 192.168.1.255 gateway 192.168.1.1 test-peer address 192.168.1.1 MAC.address
Note:
x.x.x.x is the IP address of a known computer on the network that should be always there. The MAC.address is the hardware MAC address of this computer.
Pretty simple setup but works nicely.
John
Any idea why my boot process would be hanging at this step? Starting Network Interface Plugging Network:
I have tried in two kernels now, 2.6.7 an 2.6.9. Ifplugd by itself seesm to be working fine, but I can't make the automatic detection of the network work with guessnet.
->HS
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