Hi,
Have a customer where they had a problem 14 days ago and now today.
Symptoms: All servers are disconnected and traffic is severely blocked, voIP calls are are stuttering a lot!!
I think it may be due to some network loops somewhere, even though spanning tree is configured, it goes on like 10-15 minutes and vanishes!
I need to find the source for this, but I have theese entries in the kernel log, what do they mean:
2017:08:23-10:09:28 fw01-2 kernel: [1363951.511344] ll header: 00000000: ff ff ff ff ff ff 00 1a 8c f0 fd 42 08 06 ...........B..
2017:08:23-10:09:28 fw01-2 kernel: [1363951.518172] IPv4: martian source 192.168.60.159 from 192.168.60.1, on dev eth2.21
2017:08:23-10:09:28 fw01-2 kernel: [1363951.518175] ll header: 00000000: ff ff ff ff ff ff 00 1a 8c f0 fd 42 08 06 ...........B..
2017:08:23-10:09:28 fw01-2 kernel: [1363951.524558] IPv4: martian source 192.168.60.159 from 192.168.60.1, on dev eth2.21
2017:08:23-10:09:28 fw01-2 kernel: [1363951.524561] ll header: 00000000: ff ff ff ff ff ff 00 1a 8c f0 fd 42 08 06 ...........B..
2017:08:23-10:09:28 fw01-2 kernel: [1363951.530714] IPv4: martian source 192.168.60.159 from 192.168.60.1, on dev eth2.21
2017:08:23-10:09:28 fw01-2 kernel: [1363951.530717] ll header: 00000000: ff ff ff ff ff ff 00 1a 8c f0 fd 42 08 06 ...........B..
2017:08:23-10:09:28 fw01-2 kernel: [1363951.535560] IPv4: martian source 192.168.60.159 from 192.168.60.1, on dev eth2.21
2017:08:23-10:09:28 fw01-2 kernel: [1363951.535563] ll header: 00000000: ff ff ff ff ff ff 00 1a 8c f0 fd 42 08 06 ...........B..
2017:08:23-10:09:28 fw01-2 kernel: [1363951.542855] IPv4: martian source 192.168.60.159 from 192.168.60.1, on dev eth2.21
2017:08:23-10:09:28 fw01-2 kernel: [1363951.542858] ll header: 00000000: ff ff ff ff ff ff 00 1a 8c f0 fd 42 08 06 ...........B..
2017:08:23-10:09:28 fw01-2 kernel: [1363951.547210] IPv4: martian source 192.168.60.159 from 192.168.60.1, on dev eth2.21
2017:08:23-10:09:28 fw01-2 kernel: [1363951.547213] ll header: 00000000: ff ff ff ff ff ff 00 1a 8c f0 fd 42 08 06 ...........B..
2017:08:23-10:09:28 fw01-2 kernel: [1363951.552676] IPv4: martian source 192.168.60.159 from 192.168.60.1, on dev eth2.21
2017:08:23-10:09:28 fw01-2 kernel: [1363951.552679] ll header: 00000000: ff ff ff ff ff ff 00 1a 8c f0 fd 42 08 06 ...........B..
2017:08:23-10:09:28 fw01-2 kernel: [1363951.559344] IPv4: martian source 192.168.60.159 from 192.168.60.1, on dev eth2.21
2017:08:23-10:09:28 fw01-2 kernel: [1363951.559347] ll header: 00000000: ff ff ff ff ff ff 00 1a 8c f0 fd 42 08 06 ...........B..
2017:08:23-10:09:28 fw01-2 kernel: [1363951.563687] IPv4: martian source 192.168.60.159 from 192.168.60.1, on dev eth2.21
2017:08:23-10:09:28 fw01-2 kernel: [1363951.563689] ll header: 00000000: ff ff ff ff ff ff 00 1a 8c f0 fd 42 08 06 ...........B..
Help is greatly appreciated! :-)
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