How would I do this?
Glenn Satchell
Glenn.Satchell at uniq.com.au
Tue Feb 10 22:59:40 UTC 2009
>Date: Tue, 10 Feb 2009 15:54:22 -0600
>From: E Johnson <ej.isc at indicium.org>
>To: DHCP Users List <dhcp-users at lists.isc.org>
>Subject: How would I do this?
>
>Sorry for the vague subject line.
>
>I have 2 situations that I am wondering if the DHCP Server can help me
>deal with.
>
>First of all, I am a rookie.
>
>Situation 1...
>
>I have a notebook user who can connect to the network by way of wireless
>or wired. Sometimes he thinks he is having a problem with the wireless
>connection and plugs in the wired connect, then of course nothing works.
>
>Is it possible for the DHCP Server to refuse to give an IP when one or
>the other client already has one? If he is connected wirelessly, then
>the wired connection will not get an IP or vice versa.
>
>
>Situation 2...
>
>I have a notebook user who is a little technologically challenged. When
>she would travel outside the office we would have files that she needs
>placed on her desktop or in My Documents folder. So we have shortcuts
>for these network shares. The notebook user is able to connect to the
>office network either by wireless or wired connection.
>
>Is it possible to tell the DHCP Server to give her the same IP when she
>is connected by wire or wirelessly? That way, we can use the same
>network shortcuts to her all the time.
>
>I hope that I am making sense through all this.
>
>Thanks,
>Eric Johnson
Hi Eric
Not sure about situation 1, probably needs some sort of conditional
statement coupled with "ignore booting;"
For situation 2 you can use a fixed address, eg:
host laptop_lan {
# ethernet mac address here
hardware ethernet aa:bb:cc:dd:ee:ff;
fixed-address 192.168.0.5;
}
host laptop_wireless {
# wireless mac address here
hardware ethernet ff:ee:dd:cc:bb:aa;
fixed-address 192.168.0.5;
}
Note the same IP address assigned both times.
The best documentation is the man pages, suggested reading is:
man dhcpd.conf
man dhcp-options
man dhcp-eval
regards,
-glenn
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