Z logów routera :>
24th day 12:30:31 user notice dnsprobe[333]: Switching Back To Primary DNS server
24th day 12:29:59 user notice dnsprobe[333]: Primary DNS server Is Down… Switching To Secondary DNS server
24th day 12:29:59 user warn dnsprobe[333]: dns query failed
24th day 12:29:57 user warn dnsprobe[333]: dns query failed
24th day 12:29:55 user warn dnsprobe[333]: dns query failed
24th day 12:28:21 user notice dnsprobe[333]: Switching Back To Primary DNS server
24th day 12:28:20 user warn dnsprobe[333]: dns query failed
24th day 12:27:48 user warn dnsprobe[333]: dns query failed
24th day 12:27:46 user warn dnsprobe[333]: dns query failed
24th day 12:27:44 user warn dnsprobe[333]: dns query failed
24th day 12:27:11 user notice dnsprobe[333]: Primary DNS server Is Down… Switching To Secondary DNS server
24th day 12:27:11 user warn dnsprobe[333]: dns query failed
24th day 12:27:09 user warn dnsprobe[333]: dns query failed
24th day 12:27:07 user warn dnsprobe[333]: dns query failed
24th day 12:26:34 user warn dnsprobe[333]: dns query failed
24th day 12:26:32 user warn dnsprobe[333]: dns query failed
24th day 12:25:58 user warn dnsprobe[333]: dns query failed

To już lekka przesada ;)