Re: Strange networking behavior

2014-02-03 Thread Sven Hartge
Florian Götz wrote: > I got a network problem with one of my Debian VMs. The VM runs on an > ESX Host (5.1) with several other VMs (SLES11). > It´s a Debian 6 (can´t upgrade due to errors with the other running > software at the moment) which hosts a Network Management System > (Opsview) based

Re: Strange networking behavior

2014-02-03 Thread Sven Hartge
Karl E. Jorgensen wrote: > On Mon, Feb 03, 2014 at 09:56:24AM +0100, Florian Götz wrote: >> It takes about an hour before the hosts get back to state "pingable" >> on the Debian machine. > a whole hour!? That is way too long for spanning tree to settle down. > So spanning tree/routing can probab

Re: Strange networking behavior

2014-02-03 Thread Karl E. Jorgensen
Hi On Mon, Feb 03, 2014 at 09:56:24AM +0100, Florian Götz wrote: > Hi Debian-Users, > > I got a network problem with one of my Debian VMs. > The VM runs on an ESX Host (5.1) with several other VMs (SLES11). > > It´s a Debian 6 (can´t upgrade due to errors with the other running > software at the

Re: Strange networking behavior

2014-02-03 Thread Florian Götz
VM has one eth interface (one virtual GBit NIC). I tried ssh to the unpingable device, but got no reaction. The reverse way (ping from device to Debian VM) doesn´t work either. It´s like the complete path between the two devices is blocked. Best regards Florian Götz Mit freundlichen Grüßen F

Re: Strange networking behavior

2014-02-03 Thread Nuno Magalhães
On Mon, Feb 3, 2014 at 8:56 AM, Florian Götz wrote: > Anyone got a hint where to search for a solution to that? Not an expert, but, does the machine have more than one NIC? If so, have you tried ping -i? Or other services in the unpingable machines? What about the reverse way? HTH -- To UNSUBS

Strange networking behavior

2014-02-03 Thread Florian Götz
Hi Debian-Users, I got a network problem with one of my Debian VMs. The VM runs on an ESX Host (5.1) with several other VMs (SLES11). It´s a Debian 6 (can´t upgrade due to errors with the other running software at the moment) which hosts a Network Management System (Opsview) based on nagios. If