[OpenWrt-Devel] WAN dhcp client doesnt recognize unplugged cable and doesnt request new IP on replugged

[Hans Dedecker]

On Wed, May 13, 2015 at 12:35 PM, Conor O'Gorman <i at conorogorman.net> wrote:
> On 12/05/15 17:57, Jakub Jančo wrote:
>>
>> Hello,
>>
>> I have tplink 1043nd with BB
>>
>> Problem is that I have dhcp client on WAN and if I unplug cable from
>> WAN, it doesnt change status, give up dhcp address.
>>
>> Even worse is that if I plug cable with another end point with another
>> network, WAN dhcp client doesnt  pull new IP, I must click on "Connect"
>> to refresh dhcp client, then new ip is assigned and internet works. Or
>> restart device.
>
>
> Have a look at ifpugd.
>
> But maybe netifd should/could/might do something for this scenario?
>
> Conor
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netifd has support for link state changes; the network interface will
be brought up/down
if the link is active/inactive. However if the force_link parameter is
enabled for a network
interface netifd will ignore link state changes.

Hans
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