Le 16/02/2019 à 15:22, Geert Stappers a écrit :
On Thu, Jan 31, 2019 at 06:59:25PM +0100, Daniel Huhardeaux wrote:
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.
FWIW I just came across this
| option rfc3442-classless-static-routes code 121 = array of integer 8;
| option ms-classless-static-routes code 249 = array of integer 8;
|
| option rfc3442-classless-static-routes 24, 172,24,4, 172,24,0,4, 24,
192,168,72, 172,24,0,4, 0, 172,24,0,1;
| option ms-classless-static-routes 24, 172,24,4, 172,24,0,4, 24,
192,168,72, 172,24,0,4, 0, 172,24,0,1;
It is ISC dhcp server configuration saying
ip route add 172.24.4.0/24 via 172.24.0.4
ip route add 192.168.72.0/24 via 172.24.0.4
ip route add default via 172.24.0.1
twice. Once in standard and once for Microsoft systems.
Thing I'm trying to say:
When those wierd Microsoft systems consider option 121 as persistent,
maybe you can try option 249.
Hi Geert. Already tried it :(
I stopped to work on this and tell people to restart their computer,
they are used to ;)
Thanks for your help
--
Daniel
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