Ubuntu
network-manager package

doesn't renew IP when network cable is disconnected

Asked by Luciano Cassemiro

Ubuntu 8.04
My box is connected to a Linksys WRTG router. Sometimes that router dies due to power surge so Ubuntu thinks that the cable is disconnected right?
Then I turn the router on again, my Ubuntu gets disconnected after some time (lease time I suppose). To renew the address I need to type dhclient.

Is this a known issue?

Has anyone also seen it before? I've already found similar answers but none exactly helped me.

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Ubuntu network-manager Edit question
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Solved by:
Luciano Cassemiro
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Luciano Cassemiro (luciano-cassemiro) said : 		#1

Solved:
Remove these line from /etc/network/interfaces:
auto eth0
iface eth0 inet dhcp

sudo /etc/init.d/networking stop
reboot

Enable network in nm-applet
Desable roaming to the wired interface and set it to dhcp.