House keeping. Phil
On Wed, Feb 28, 2018 at 5:53 PM, RickG <[email protected]> wrote: > Darn, was hoping for some news that might apply here but I'm not running > OSPF (yet). Glad you found the issue and thanks for the update! > > On Wed, Feb 28, 2018 at 6:12 PM, Kristian Hoffmann <[email protected]> > wrote: > >> For the archives... >> >> The issue turned out to be an old PtP radio that was decommissioned, but >> not removed from the tower. The ethernet interface of the radio would >> start flapping during certain times of the day. That interface was >> connected to a router on an interface still configured for OSPF. Every >> time the interface flapped, it would trigged a topology change. The >> frequency of the topology changes appeared to be causing sub-second bursts >> of packet loss that occurred every 30 seconds. We found it by turning on >> OSPF debug logging and tallying the number of topology changes by >> originator ID. The one at the top of the list was our culprit. >> >> hth, >> >> -Kristian >> >> On Fri, 2018-02-23 at 03:23 -0500, RickG wrote: >> >> +1 on the darned surge protectors! >> >> On Thu, Feb 22, 2018 at 3:37 PM, Josh Luthman < >> [email protected]> wrote: >> >> Why do you need a loopback test when the capacity graph says the same >> thing in real time? >> >> I would definitely start by doing a ping between radios and see if it's >> the wireless link versus ethernet/ports/etc. Last time I saw this, it was >> caused by a surge suppressor making the link go down/up super fast (I would >> get about 1 packet lost per 5 minutes). >> >> >> Josh Luthman >> Office: 937-552-2340 <(937)%20552-2340> >> Direct: 937-552-2343 <(937)%20552-2343> >> 1100 Wayne St >> Suite 1337 >> Troy, OH 45373 >> >> On Thu, Feb 22, 2018 at 3:34 PM, Kristian Hoffmann <[email protected]> >> wrote: >> >> I wish these had a loopback test, because that would be an easy way to >> find out. The wireless capacity during the events is a nice straight line, >> so there's no indication that it's a wireless problem, but that doesn't >> rule it out either. >> >> I'll run some tests pinging the radio itself at the same time, and see if >> there's loss to the radio as well. >> >> Generally, OSPF is running over these links, but I've disabled the OSPF >> instance and have the same results. >> >> -Kristian >> >> On Thu, 2018-02-22 at 08:18 -0500, Josh Luthman wrote: >> >> Definitely through the wireless link? Not including the Ethernet? >> >> Josh Luthman >> Office: 937-552-2340 <(937)%20552-2340> >> Direct: 937-552-2343 <(937)%20552-2343> >> 1100 Wayne St >> Suite 1337 >> Troy, OH 45373 >> >> On Feb 22, 2018 3:19 AM, "Blair Davis" <[email protected]> wrote: >> >> What routing protocols are you using across those links? >> >> -- >> >> >> On 2/22/2018 1:54 AM, Kristian Hoffmann wrote: >> > Hi, >> > >> > This is going to sound crazy, but here we go... >> > >> > Has anyone seen packet loss across an AF5x link that occurred exactly >> > every 30 seconds? I have a couple of links, on completely different >> > towers, that drop packets every 30 seconds. I can observe it using the >> > MikroTik traffic generator, or a fast ping (size=1500 interval=.05). >> > Even though they do it on a 30 second interval, it's not at the same >> > time (intervals are not synchronized). They're not bridged together in >> > any way, and even do it with no customer traffic on them whatsoever. >> > >> > I've tried with and without flow control, every wireless setting, >> > with/without management vlan, firmware 4.0 and 4.0.3, etc. As they're >> > connected to RB3011's, I even disabled the MikroTik LCD, as apparently >> > that's a thing. It's a shot in the dark, but... anyone? >> > >> > Thanks, >> > >> > -Kristian >> > _______________________________________________ >> > Ubnt_users mailing list >> > [email protected] >> > http://lists.wispa.org/mailman/listinfo/ubnt_users >> >> -- >> West Michigan Wireless ISP >> Allegan, Michigan 49010 >> 269-686-8648 >> >> A Division of: >> Camp Communication Services, INC >> >> _______________________________________________ >> Ubnt_users mailing list >> [email protected] >> http://lists.wispa.org/mailman/listinfo/ubnt_users >> >> _______________________________________________ >> Ubnt_users mailing >> [email protected]http://lists.wispa.org/mailman/listinfo/ubnt_users >> >> >> _______________________________________________ >> Ubnt_users mailing list >> [email protected] >> http://lists.wispa.org/mailman/listinfo/ubnt_users >> >> >> >> _______________________________________________ >> Ubnt_users mailing list >> [email protected] >> http://lists.wispa.org/mailman/listinfo/ubnt_users >> >> >> >> >> -- >> -RickG >> >> _______________________________________________ >> Ubnt_users mailing >> [email protected]http://lists.wispa.org/mailman/listinfo/ubnt_users >> >> >> _______________________________________________ >> Ubnt_users mailing list >> [email protected] >> http://lists.wispa.org/mailman/listinfo/ubnt_users >> >> > > > -- > -RickG > > _______________________________________________ > Ubnt_users mailing list > [email protected] > http://lists.wispa.org/mailman/listinfo/ubnt_users > >
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