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

[Hans Dedecker]

On Thu, May 14, 2015 at 8:23 PM, Jakub Jančo <kubco2 at gmail.com> wrote:
> Thank you for explanation.
>
> Why does openwrt use force_link on WAN, when it can break internet
> connection and remote access?
> Or what are advantages of force_link?
I don't see any added value of using force_link on a WAN interface
unless you would use a static IP address.
You verified force_link is enabled on the WAN interface for your board ?

Hans
>
> Thanks.
>
>
> --
> S pozdravom Jakub Janco
>
> 2015-05-14 17:32 GMT+02:00 Hans Dedecker <dedeckeh at gmail.com>:
>>
>> 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
>> > _______________________________________________
>> > openwrt-devel mailing list
>> > openwrt-devel at lists.openwrt.org
>> > https://lists.openwrt.org/cgi-bin/mailman/listinfo/openwrt-devel
>> 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
>> _______________________________________________
>> openwrt-devel mailing list
>> openwrt-devel at lists.openwrt.org
>> https://lists.openwrt.org/cgi-bin/mailman/listinfo/openwrt-devel
>
>
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