[Dnsmasq-discuss] Reverse of option 121

Daniel Huhardeaux tech at tootai.net
Tue Jan 29 12:51:39 GMT 2019


Le 28/01/2019 à 20:11, Geert Stappers a écrit :
> On Mon, Jan 28, 2019 at 06:44:22PM +0100, Daniel Huhardeaux wrote:
>> Hi,
>>
>> I have a setup where 3 VLANs are involved and stateless-static-route are
>> sended for one of them. Some devices can be part of one or another of this
>> VLANs.
>>
>> Problem is that if a device was connected to the VLAN who sended the
>> static-routes, when switching to one of the other VLAN the static-routes are
>> still there.
>>
>> Is there a way to remove static routes via a dhcp option ? Opposite of
>> option 121 ?
>>
>> Thanks for any hint
>>
> 
> On Linux with NetworkManager are all routes over a device deleted
> whenever the device is disconnected.
> 
> So when you have a disconnect upon VLAN hop-over you are fine.
> 
> Upon connect happens another DHCP including  option 121 static routes.

I face this problem with Windows client (8.1)

-- 
Daniel



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