Hi,

I have a problem with wireless networking on my laptop (uses iwl3945
wireless).
When dhclient3 is used to obtain IP address via DHCP, the connection is
unstable. Especially when I move my laptop to another location and switch
to another network, the IP is not obtained at all or connection is
established only for a very short time.

I was able to fix it by uninstalling the dhcp3-client package. In this case
the dhcpcd is used for obtaining IP, which works flawlessly.

Unfortunately dhcp3-client is suggested by different packages, so when I
update my system it often gets reinstalled unless I explicitly deselect it.
That's really tiring.

Is there any way to assign dhcpcd higher priority than dhclient3 when my
system is going to obtain IP?

--
TIA, Wojtek


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On 2010-02-18, wzab <wzab@ise.pw.edu.pl> wrote:
> Hi,
>
> I have a problem with wireless networking on my laptop (uses iwl3945
> wireless).
> When dhclient3 is used to obtain IP address via DHCP, the connection is
> unstable. Especially when I move my laptop to another location and switch
> to another network, the IP is not obtained at all or connection is
> established only for a very short time.
>
> I was able to fix it by uninstalling the dhcp3-client package. In this case
> the dhcpcd is used for obtaining IP, which works flawlessly.
>
> Unfortunately dhcp3-client is suggested by different packages, so when I
> update my system it often gets reinstalled unless I explicitly deselect it.
> That's really tiring.
>
> Is there any way to assign dhcpcd higher priority than dhclient3 when my
> system is going to obtain IP?
>

The wicd package (an alternative to network-manager) can help you here.
It allows the user to specify which DHCP client to favour. It is
available in backports, squeeze and sid.

--
Liam O'Toole
Birmingham, United Kingdom



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>
> Is there any way to assign dhcpcd higher priority than dhclient3 when my
> system is going to obtain IP?
hello.
there is a configuration file /etc/dhcp3/dhclient.conf
you can try any options which will help disable dhclient
or give priority to dhcpd. Also do man dhclient.conf for
options.

/Jeffrin.


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wzab <wzab@ise.pw.edu.pl>:
>
> I have a problem with wireless networking on my laptop (uses iwl3945
> wireless).
> When dhclient3 is used to obtain IP address via DHCP, the connection is
> unstable. Especially when I move my laptop to another location and switch
> to another network, the IP is not obtained at all or connection is
> established only for a very short time.
>
> I was able to fix it by uninstalling the dhcp3-client package. In this case
> the dhcpcd is used for obtaining IP, which works flawlessly.
>
> Unfortunately dhcp3-client is suggested by different packages, so when I
> update my system it often gets reinstalled unless I explicitly deselect it.
> That's really tiring.

File a bug report. Use reportbug. The maintainer should get back to
you with good/informative explanations (in my experience).

I see this as another manifestation of the CUPS vs. lp* problem;
everything suggests (suggested?) CUPS, when any printer daemon should
be recognized as acceptable alternatives. Just as multiple potential
MTAs are acceptable.


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(*) http://blinkynet.net/comp/uip5.html Linux Counter #80292
- - http://www.faqs.org/rfcs/rfc1855.html Please, don't Cc: me.


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