I have seen this with switches, as well as PoE injectors! Don't tell me how a POE injector could cause OSPF to not function correctly, but as soon as it was replaced, it came up.
----------------------------------------------------------- Dennis Burgess, CCNA, A+, Mikrotik Certified Trainer Link Technologies, Inc -- Mikrotik & WISP Support Services Office: 314-735-0270 Website: http://www.linktechs.net <http://www.linktechs.net/> LIVE On-Line Mikrotik Training <http://www.onlinemikrotiktraining.com> - Author of "Learn RouterOS" <http://www.routerosbook.com/> From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On Behalf Of Scott Reed Sent: Sunday, August 15, 2010 10:25 PM To: WISPA General List Subject: Re: [WISPA] Mikrotik OSPF Problem I will power cycle the switch tomorrow. It is an industrial DIN-rail mount that is not managed. Scott Lambert wrote: On Sun, Aug 15, 2010 at 08:11:39PM -0400, Scott Reed wrote: That all makes sense, but I think I have eliminated most of it. The link from device A to device B is the primary link for this part of the network to the Internet. It is carrying 2-way traffic just fine. That would seem to indicate that all the hardware level stuff is OK. I have looked at the interfaces, but I will do it again to be sure I have not missed one, but since this plugs into a switch it should just be the one port on the at fault unit and the switch. The other part of the mystery is that this was working fine and then just quit. As far as I know there were no changes to the network near the time it quit finding neighbors. The problem may be that the switch has failed to forward multicast traffic from this port. Normal traffic would flow correctly. Have you power cycled the switch? Is it a managed switch? Does it have the ablility to permit or deny multicast traffic on a port by port basis? -- Scott Reed Sr. Systems Engineer GAB Midwest 1-800-363-1544 x2241 1-260-827-2241 Cell: 260-273-7239
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