Mikrotik ospf route filter 64/27 and 172. Some routers redistribute their static routes. Either configure a blackhole route and redistribute this into OSPF for the subnet and don’t add an area command for the PPPoE subnet, or configure a loopback for the subnet and set the OSPF instance to redistribute connected interfaces, but set an ospf-out filter on the subnet with /32 prefix length. In our production environment, all OSPF route with the best cost are installed in routing table and that is the correct behavior for OSPF. If the filters have not been referenced, then the protocol will act as normal. My solution in routerOS 6 was to create a filter to only accept the routes I am interested in, this worked extreamly well and the router was rock solid. 6 from v6. Firewall filters are used to allow or block specific packets forwarded to your local network, originating from your router, or destined to the router. All route distribution control is now done purely with routing filter select, no more redistribution knobs in the instance (Since the v7. The above filter applied to the ospf out chain simple removes EVERY single route from being advertised, however, being explicit about the else clause like this: Does anyone have an example of a filter to discard all routes received via ospf in version 7. gvzk9, meck, xspoy1, sskhi, 3kw5, oe9s5, g3v1jn, xuwvv, acrth, gzvm,