[Dnsmasq-discuss] Reverse of option 121

Daniel Huhardeaux tech at tootai.net
Thu Jan 31 17:59:25 GMT 2019


Le 31/01/2019 à 17:51, Geert Stappers a écrit :
> On Tue, Jan 29, 2019 at 01:51:39PM +0100, Daniel Huhardeaux wrote:
>> 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)
>>
> 
> But a disconnect is seen by that client while switching VLAN?

No, that's my problem. At this time I'm looking to find a way to tell 
Windows to delete all routes when changing SSID.

It seems that even a reboot doesn't delete those static routes.

-- 
TOOTAi Networks



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