Hi to all.

I have this topology:


The 192.168.1.1 on eth2 and 192.168.40.1 on eth3 are the load balanced gateway for the LAN (according to: http://wiki.mikrotik.com/wiki/Improved_ ... e_Gateways).

Packet marked "odd" going across eth2 and packed marker "even" across eth3, everything works good if both internet link are UP and running...


What i need is that:
- If "Radio Link" going down, disable the mangle rules that mark packet for this gateway eth3, enable a default route only over "ADSL Router"
- If "ADSL Link" going down, disable the mangle rules that mark packet for this gateway eth2, enable a default route only over "Radio LINK"
- Re-enable disabled rules when a link come up.

I think is necessary a script to ping a external host specifying outgoing interface, then according to ping response make apropriate action...

I have no idea on how to achieve this, someone I can 'help?

thanks

post an export of your Mangle, NAT, and Routing Table

Did you ever figure this out ?

For the wireless link its rather easy, I would use the net watch command, and let it fire a script to kill of all the Mangle rules for the one side, and then on net watch up, make them live again, Might have to monitor the endpoint of the wireless link for that, But thats all the same, On the Local side it might get more tricky, esp if you can see the host that you need to monitor via both gateways.

I would look at doing something like

:foreach i in [/ip firewall mangle find] do {If [/ip firewall mangle number=$i = "packet destined for wirelless] do [/ip firewall mangle number=$i disable]}

Check the scripting and the net watch, but its most likely the starting point that you need.

I found an easier way and it works without scripts, incase you are intrested

http://wiki.mikrotik.com/wiki/Advanced_ ... _Scripting