Xymon

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xymon@xymon.com

August 2017

26 participants
31 discussions

flapping status
by metron6＠gmail.com 02 Aug '17

02 Aug '17

hello all, it was this thing, i changed XYMONSERVERHOSTNAME and everything is fine now.. thank you all... On Mon, Jul 31, 2017 at 10:02 PM, Root, Paul T <Paul.Root at centurylink.com> wrote: > Your new server has the configuration of your first server, so it has the > original servers name and IP address as where to send. > > > > XYMONSERVERHOSTNAME and XYMONSERVERIP in your xymonserver.cfg file. > > > > *From:* Metron 6 (six) [mailto:metron6 at gmail.com] > *Sent:* Monday, July 31, 2017 1:48 PM > *To:* Root, Paul T > *Cc:* Phil Crooker; xymon at xymon.com > > *Subject:* Re: [Xymon] flapping status > > > > hello all, > > > > this was it.. few days ago, i started another xymon server, on another > host, using the same config, with minor changes.. > > it was also checking my vpn hosts from the internet.. > > when i stopped this second server, everything started to work ok, on the > first one, no red/flapping, etc.. > > > > can someone explain this ? > > > > > > On Mon, Jul 31, 2017 at 7:22 PM, Root, Paul T <Paul.Root at centurylink.com> > wrote: > > Are you running the ping test from multiple xymon servers? > > > > I do that, my main server is on one network, and I have 2 hybrid > proxy/backup servers on the more protected network. > > > > Where is the NAT going on for this machine? > > Could it be a DNS issue? Have you tried “testip” in hosts.cfg? > > > > > > *From:* Xymon [mailto:xymon-bounces at xymon.com] *On Behalf Of *Metron 6 > (six) > *Sent:* Monday, July 31, 2017 11:03 AM > *To:* Phil Crooker > *Cc:* xymon at xymon.com > *Subject:* Re: [Xymon] flapping status > > > > hello, > > > > nothing changed.. ping tests are showing red/flapping, these are the only > tests i run.. > > all hosts with real ips are green. > > the strange is that i run a ping test for hours, and says 0% packet loss, > but xymon keeps the host in ref/flapping condition.. > > --- 10.122.2.1 ping statistics --- > > 104332 packets transmitted, 104261 received, 0% packet loss, time > 104457908ms > > rtt min/avg/max/mdev = 70.537/74.760/110.730/1.034 ms > > > > > > On Mon, Jul 31, 2017 at 4:16 AM, Phil Crooker <Phil.Crooker at orix.com.au> > wrote: > > This could be a number of things. The obvious question is what has changed > (that you can see)? Any new routers, changes to the VPN setup? What tests > are showing red/flapping? Are all tests for these affected hosts > red/flapping? You say it is only those systems with a private network, do > you have others that aren't a private network through the same VPN that are > OK? What is happening at the VPN gateways at each end, can you run tcpdump > on these systems to find any patterns? If tests are flapping, that means > some packets are getting through, you should be able to see this on the > gateways. > > > > hope this helps, Phil > > > ------------------------------ > > *From:* Xymon <xymon-bounces at xymon.com> on behalf of Metron 6 (six) < > metron6 at gmail.com> > *Sent:* Sunday, 30 July 2017 2:03 AM > *To:* xymon at xymon.com > *Subject:* [Xymon] flapping status > > > > hello all, > > the last 4-5 days, i have a major problem with my xymon server. > > I run it for several years, monitoring connectivity on misc servers on my > local network. > > Xymon server is connected to my local network via a VPN, and it seems that > the problem is with the computers that have a private ip (10.xx.xx.xx). > > > > when i restart xymon, everything seems ok for a few minutes. > > after this, all become red and i have a "flapping status" warning. > > > > i tried to change values in tasks.cfg with no result. > > i unistalled/installed xymon, with no result. > > my configuration is very close to the default, except hosts.cfg of course. > > i tried to ping for hours a host on my localnet, from xymon server, > successfully, with no packet lost.. > > > > can anyone help me with this ? > > > > > -- > > > regards, > Metron 6 (six) > > Metron6 at gmail.com > > -- > > [image: Image removed by sender.] > *Please consider the environment before printing this e-mail* > > This message from ORIX Australia may contain confidential and/or > privileged information. 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