Hi all!
My Linux-Router is behind a dsl broadband router. My ISP cuts the line
every 24h, so i get a new ip-address after each reconnect. But VTUN get
not rid of this service interruption and that the ip-address has
changed. After restarting vtund, all works fine. But that have to be
done every 24 hours, and that is horrible.
I believe, that vtund does not rely to the KEEP-ALIVE settings, that
done server-side. Client-Side the keepalive-settings are ignored.
> # keepalive - Enable 'yes' or disable 'no' connection
> # keep-alive. Ignored by the client.
My settings on client-side:
> neubichl-dsl-backup {
> passwd ********;
> persist yes;
> device vpndslbackup;
> keepalive yes;
>
> srcaddr {
> addr 192.168.0.2;
> port 5000;
> };
>
> up {
> ip "link set up %% multicast off mtu 1420";
> program "/sbin/ifenslave bond0 %%";
> };
> }
Also Server does not recognize the connection-drop. Just the upperlayer
(IP) told vtund, that there is "No route to host (113)"
> Aug 14 01:04:54 vtund[3794]: No route to host (113)
Server-Settings:
> default {
> compress no;
> speed 0;
> encrypt no;
> proto udp;
> type ether;
> keepalive yes;
> multi killold;
> }
>
> neubichl-dsl-backup {
> device tap107;
> passwd ********;
> up {
> ip "link set %% up multicast off mtu 1420";
> ip "addr add 172.16.99.1/30 brd + dev %%";
> };
> down {
> ip "link set %% down";
> };
> }
So every 24h the client loose the connection to the Server. The Server
is directly connected to the internet (WAN) and have a public ip-address.
But both sides don`t know that the udp-data-flow is disturbed.
Liebe Grüße aus Freilassing,
Michael Rack
RSM Freilassing
--
RSM Freilassing Tel.: +49 8654 607110
Nocksteinstr. 13 Fax.: +49 8654 670438
D-83395 Freilassing www.rsm-freilassing.de
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