Chuck, You hope we don't *think* you're nuts?!
<coughknowcough> ;-) Chuck On Mar 31, 2010, at 9:48 PM, Chuck Profito wrote: > Forbes, > Hope the rest of the list doesn't think I'm nuts: > Do you see any large, hi gain CB or Ham beam antennas or Truckers from the > southern area parked or loading nearby? > Within say 1/4 mile of B tower? The new mobile 70KW class C Linear's are > about as dirty as they come. Some of those > drivers from Mexico and AZ are talking direct, no skip, 500 miles on the > lower vertical channels. That much bleed over > in radiated power may trip ground on your switch and or MT boards. It could > come right thru your tower grounding, let alone your antennas and CAt5. > Could you try batteries there? Say a smart charger thru a UPS, then to > batteries. i.e. no common ground. > > Chuck Profito > > > -----Original Message----- > From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On > Behalf Of Forbes Mercy > Sent: Wednesday, March 31, 2010 10:06 AM > To: WISPA General List > Subject: [WISPA] Does anybody have any ideas? > > We have been plagued with an ongoing issue in our Mikrotik backhauls. > It happens about once a month and only on three radios that feed each > other, all other sites work fine. Site A is my head end, it is a > Mikrotik 433 with an XR5 chip that feeds about five miles to another > site to Site B. Site B has the same equipment that goes through a > managed switch then passes on to Site C about 7 miles further. > > What happens is we are suddenly paged that all three are down. > Sometimes Site A stays up, most times not, we can get into Site A since > it's the head end and we reboot it, it comes right back up. Site B and > C stay down, we have to drive to Site B and reboot it, it comes back up > but Site C stays down. We have a remote reboot for it from a redundant > feed so after rebooting it C reconnects to B and they are all up. This > will happen three or four more times in a single day or not at all again > for a month, it's totally unpredictable. The boards are up but not > communicating, it also takes down the other 2.4 Mikortik AP's at Site B > and that has to be rebooted. We normally run arp -d to clear up any > residual, it sure appears to be traffic related and we are on a bridged > not routed network. > > The only similarities is it's only this feed, it usually happens in > spurts of a day or two then stops for a long time, it always happens > during the working day leading me to believe it's coming from a day > user. We run Wireshark but see nothing, we torch the towers and they > don't show much unusual. We're thinking it might be a deluge of traffic > between Site B and C and are thinking of putting a PC at the C tower to > run diagnostics there. This is very manpower heavy as we have to send > people two places and average down time is one hour to do this. We are > going to turn our network into a routed network this Summer but that > doesn't help now. Any ideas would be appreciated. > > Forbes > > > ---------------------------------------------------------------------------- > ---- > WISPA Wants You! Join today! > http://signup.wispa.org/ > ---------------------------------------------------------------------------- > ---- > > WISPA Wireless List: wireless@wispa.org > > Subscribe/Unsubscribe: > http://lists.wispa.org/mailman/listinfo/wireless > > Archives: http://lists.wispa.org/pipermail/wireless/ > > > > -------------------------------------------------------------------------------- > WISPA Wants You! Join today! > http://signup.wispa.org/ > -------------------------------------------------------------------------------- > > WISPA Wireless List: wireless@wispa.org > > Subscribe/Unsubscribe: > http://lists.wispa.org/mailman/listinfo/wireless > > Archives: http://lists.wispa.org/pipermail/wireless/ -------------- Chuck Bartosch Clarity Connect, Inc. 200 Pleasant Grove Road Ithaca, NY 14850 (607) 257-8268 "When the stars threw down their spears, and water'd heaven with their tears, Did He smile, His work to see? Did He who made the Lamb make thee?" >From William Blake's Tiger!, Tiger! -------------------------------------------------------------------------------- WISPA Wants You! Join today! http://signup.wispa.org/ -------------------------------------------------------------------------------- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/
