@Sergis I have the same issue and will follow your instructions, in response to question about local network works fine and there is no problem with wireless disconnects, bad switch, etc.Hotz1
we are interested in your problem about DHCP-server leases reassignments.
1) Please run /tool sniffer on DHCP-server interface, during assignment/deassigment;
2) Make support output file after clicking stop on /tool sniffer;
3) Send both files for us, we will research where could be the problem (I assume local network works fine and there is no problem with wireless disconnects, bad switch, etc.).
Usually I check wireless registration and when it says uptime in days and customer says they have disconnects several times daily I had assumed it was being caused by some other device on the customers LAN and did find with one customer a rouge DHCP server which was taken down but then another customer asks are we having network issues and another then checking at random many customers CPE logs and DHCP leases reassignments - alarm bells rings? on checking customers with 5.20 they did not have these DHCP leases reassignments so i used DUDE to force upgrade to 5.20 ("force upgrade" which should be titled "force install"?) and I have disabled ports not used to access the routers and in my case i use only Telnet,winbox,
I will forward the support output file and /tool sniffer files to support
Below is just from one customer
Code: Select all
Jan/08/2013 18:59:43 dhcp,info dhcp1 deassigned 192.168.1.198 from 8C:FA:BA:5D:39:97
Jan/08/2013 18:59:45 dhcp,info dhcp1 assigned 192.168.1.198 to 8C:FA:BA:5D:39:97
Jan/08/2013 19:11:47 dhcp,info dhcp1 deassigned 192.168.1.96 from 04:0C:CE:4C:95:2A
Jan/08/2013 19:11:49 dhcp,info dhcp1 assigned 192.168.1.96 to 04:0C:CE:4C:95:2A
Jan/08/2013 20:06:08 dhcp,info dhcp1 deassigned 192.168.1.198 from 8C:FA:BA:5D:39:97
Jan/08/2013 20:06:09 dhcp,info dhcp1 assigned 192.168.1.198 to 8C:FA:BA:5D:39:97
Jan/08/2013 21:54:51 dhcp,info dhcp1 assigned 192.168.1.33 to 60:67:20:AB:E8:4C
Jan/09/2013 11:33:58 dhcp,info dhcp1 deassigned 192.168.1.29 from 00:1B:B1:8B:2E:40
Jan/09/2013 18:18:40 dhcp,info dhcp1 deassigned 192.168.1.96 from 04:0C:CE:4C:95:2A
Jan/09/2013 18:18:42 dhcp,info dhcp1 assigned 192.168.1.96 to 04:0C:CE:4C:95:2A
Jan/09/2013 18:26:31 dhcp,info dhcp1 deassigned 192.168.1.198 from 8C:FA:BA:5D:39:97
Jan/09/2013 18:26:32 dhcp,info dhcp1 assigned 192.168.1.198 to 8C:FA:BA:5D:39:97
Jan/09/2013 21:32:10 interface,info ether1 link down
Jan/09/2013 21:32:34 interface,info ether1 link up (speed 100M, full duplex)
Jan/09/2013 21:32:43 interface,info ether1 link down
Jan/09/2013 21:32:44 interface,info ether1 link up (speed 100M, full duplex)
Jan/09/2013 21:32:51 interface,info ether1 link down
Jan/09/2013 21:32:53 dhcp,info dhcp1 deassigned 192.168.1.93 from 00:19:FB:24:BA:11
Jan/09/2013 21:32:53 dhcp,info dhcp1 assigned 192.168.1.93 to 00:19:FB:24:BA:11
Jan/09/2013 21:32:53 interface,info ether1 link up (speed 100M, full duplex)
Jan/10/2013 18:59:43 dhcp,info dhcp1 deassigned 192.168.1.198 from 8C:FA:BA:5D:39:97
Jan/10/2013 19:00:02 dhcp,info dhcp1 assigned 192.168.1.198 to 8C:FA:BA:5D:39:97
Jan/10/2013 19:01:30 dhcp,info dhcp1 deassigned 192.168.1.96 from 04:0C:CE:4C:95:2A
Jan/10/2013 19:01:31 dhcp,info dhcp1 assigned 192.168.1.96 to 04:0C:CE:4C:95:2A
Jan/10/2013 20:03:38 dhcp,info dhcp1 deassigned 192.168.1.33 from 60:67:20:AB:E8:4C
Jan/10/2013 20:03:39 dhcp,info dhcp1 assigned 192.168.1.33 to 60:67:20:AB:E8:4C
Jan/10/2013 20:44:25 dhcp,info dhcp1 deassigned 192.168.1.35 from 00:0C:43:CE:19:D6
Jan/10/2013 20:44:34 dhcp,info dhcp1 assigned 192.168.1.35 to 00:0C:43:CE:19:D6
Jan/10/2013 21:02:28 interface,info ether1 link down
Jan/10/2013 21:02:48 interface,info ether1 link up (speed 100M, full duplex)
Jan/10/2013 21:02:57 interface,info ether1 link down
Jan/10/2013 21:02:59 interface,info ether1 link up (speed 100M, full duplex)
Jan/10/2013 21:03:05 interface,info ether1 link down
Jan/10/2013 21:03:06 dhcp,info dhcp1 deassigned 192.168.1.93 from 00:19:FB:24:BA:11
Jan/10/2013 21:03:07 interface,info ether1 link up (speed 100M, full duplex)
Jan/10/2013 21:03:12 dhcp,info dhcp1 deassigned 192.168.1.198 from 8C:FA:BA:5D:39:97
Jan/10/2013 21:03:12 dhcp,info dhcp1 assigned 192.168.1.93 to 00:19:FB:24:BA:11
Jan/10/2013 21:03:13 dhcp,info dhcp1 assigned 192.168.1.198 to 8C:FA:BA:5D:39:97
Jan/11/2013 15:39:32 dhcp,info dhcp1 deassigned 192.168.1.96 from 04:0C:CE:4C:95:2A
Jan/11/2013 15:39:34 dhcp,info dhcp1 assigned 192.168.1.96 to 04:0C:CE:4C:95:2A
Jan/11/2013 21:13:11 dhcp,info dhcp1 deassigned 192.168.1.96 from 04:0C:CE:4C:95:2A
Jan/11/2013 21:13:13 dhcp,info dhcp1 assigned 192.168.1.96 to 04:0C:CE:4C:95:2A
Jan/12/2013 17:59:17 dhcp,info dhcp1 deassigned 192.168.1.198 from 8C:FA:BA:5D:39:97
Jan/12/2013 17:59:19 dhcp,info dhcp1 assigned 192.168.1.198 to 8C:FA:BA:5D:39:97
Jan/12/2013 18:11:42 dhcp,info dhcp1 deassigned 192.168.1.96 from 04:0C:CE:4C:95:2A
Jan/12/2013 18:11:46 dhcp,info dhcp1 assigned 192.168.1.96 to 04:0C:CE:4C:95:2A
Jan/12/2013 18:32:50 dhcp,info dhcp1 deassigned 192.168.1.37 from 00:0C:E7:01:62:4C
Jan/12/2013 18:33:24 dhcp,info dhcp1 assigned 192.168.1.31 to 00:0C:E7:01:62:4C
Jan/12/2013 18:35:24 dhcp,info dhcp1 deassigned 192.168.1.31 from 00:0C:E7:01:62:4C
Jan/12/2013 18:35:41 dhcp,info dhcp1 assigned 192.168.1.31 to 00:0C:E7:01:62:4C
Jan/12/2013 19:39:11 dhcp,info dhcp1 deassigned 192.168.1.31 from 00:0C:E7:01:62:4C
Jan/12/2013 19:39:15 dhcp,info dhcp1 assigned 192.168.1.31 to 00:0C:E7:01:62:4C
Jan/13/2013 13:23:27 dhcp,info dhcp1 deassigned 192.168.1.31 from 00:0C:E7:01:62:4C
Jan/13/2013 13:23:30 dhcp,info dhcp1 assigned 192.168.1.31 to 00:0C:E7:01:62:4C
Jan/13/2013 13:24:38 dhcp,info dhcp1 deassigned 192.168.1.31 from 00:0C:E7:01:62:4C
Jan/13/2013 13:30:25 dhcp,info dhcp1 assigned 192.168.1.31 to 00:0C:E7:01:62:4C
Jan/13/2013 13:30:31 dhcp,info dhcp1 deassigned 192.168.1.31 from 00:0C:E7:01:62:4C
Jan/13/2013 13:30:36 dhcp,info dhcp1 assigned 192.168.1.31 to 00:0C:E7:01:62:4C
Jan/13/2013 13:42:46 dhcp,info dhcp1 deassigned 192.168.1.31 from 00:0C:E7:01:62:4C
Jan/13/2013 13:42:46 dhcp,info dhcp1 assigned 192.168.1.31 to 00:0C:E7:01:62:4C
Jan/13/2013 17:32:01 dhcp,info dhcp1 deassigned 192.168.1.31 from 00:0C:E7:01:62:4C
Jan/13/2013 17:32:52 dhcp,info dhcp1 assigned 192.168.1.31 to 00:0C:E7:01:62:4C
Jan/14/2013 13:50:11 dhcp,info dhcp1 deassigned 192.168.1.30 from 08:60:6E:27:07:C9
Jan/14/2013 13:50:11 dhcp,info dhcp1 assigned 192.168.1.30 to 08:60:6E:27:07:C9
Jan/14/2013 19:45:31 dhcp,info dhcp1 deassigned 192.168.1.198 from 8C:FA:BA:5D:39:97
Jan/14/2013 19:45:38 dhcp,info dhcp1 assigned 192.168.1.198 to 8C:FA:BA:5D:39:97
Jan/14/2013 20:40:25 dhcp,info dhcp1 deassigned 192.168.1.31 from 00:0C:E7:01:62:4C
Jan/14/2013 20:40:42 dhcp,info dhcp1 assigned 192.168.1.31 to 00:0C:E7:01:62:4C
Jan/14/2013 21:37:38 dhcp,info dhcp1 deassigned 192.168.1.31 from 00:0C:E7:01:62:4C
Jan/14/2013 21:37:50 dhcp,info dhcp1 assigned 192.168.1.31 to 00:0C:E7:01:62:4C
Jan/14/2013 21:38:19 dhcp,info dhcp1 deassigned 192.168.1.31 from 00:0C:E7:01:62:4C
Jan/14/2013 21:38:29 dhcp,info dhcp1 assigned 192.168.1.31 to 00:0C:E7:01:62:4C
Jan/14/2013 23:16:31 dhcp,info dhcp1 deassigned 192.168.1.30 from 08:60:6E:27:07:C9
Jan/14/2013 23:16:31 dhcp,info dhcp1 assigned 192.168.1.30 to 08:60:6E:27:07:C9
Jan/14/2013 23:18:32 dhcp,info dhcp1 deassigned 192.168.1.30 from 08:60:6E:27:07:C9
Jan/14/2013 23:18:32 dhcp,info dhcp1 assigned 192.168.1.30 to 08:60:6E:27:07:C9
Jan/14/2013 23:20:09 dhcp,info dhcp1 deassigned 192.168.1.30 from 08:60:6E:27:07:C9
Jan/14/2013 23:20:09 dhcp,info dhcp1 assigned 192.168.1.30 to 08:60:6E:27:07:C9