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On Fri, Jan 26, 2018 at 5:02 AM, Darren Tucker <dtucker at dtucker.net> wrote: > On 26 January 2018 at 06:44, Adrian Pascalau <adrian27oradea at gmail.com> > wrote: >> >> [...] >> debug1: SSH2_MSG_KEXINIT sent [preauth] >> >> Here the debug mode stops, and there is no login prompt shown on the >> Putty window. > > > This behaviour is often caused by a path MTU/fragment...

On Sun, Jan 28, 2018 at 7:07 PM, Adrian Pascalau <adrian27oradea@gmail.com> wrote: > When an Ethernet frame that is less then 60 bytes in size goes through > the network, it is padded with 0x00 bytes until it has 60 bytes in > length (64 with the frame check sequence). When this kind of padded > frames goes from centos1 VM throu...

On 01/29/2018 10:44 AM, Adrian Pascalau wrote: > On Sun, Jan 28, 2018 at 7:07 PM, Adrian Pascalau > <adrian27oradea@gmail.com> wrote: >> When an Ethernet frame that is less then 60 bytes in size goes through >> the network, it is padded with 0x00 bytes until it has 60 bytes in >> length (64 with the frame ch...

Hi, I have a very strange ssh issue, and I do not know how to solve it. I have a centos VM (managed by libvirt) running the latest centos 7 and latest openssh server package (debug1: sshd version OpenSSH_7.4, OpenSSL 1.0.2k-fips 26 Jan 2017). When I ssh remotely to this centos VM (using latest putty 0.70 and other ssh clients as well), I do not get a login prompt whatsoever. I used

...to work with the VM shut down. If you can't ping, check the other end of your bridge. I'm more familiar with open vSwitch, but I'm somewhat concerned that your bridge definition doesn't include a physical NIC as one of its connections. Peter On 27 Jan 2018 1:13 p.m., "Adrian Pascalau" <adrian27oradea@gmail.com> wrote: Hi, I have a strange issue in a libvirt environment, and I do not know how to solve it. I have two centos hosts: first one is a physical server called server1, that acts as a host for the second one, called centos1. The centos1 is a virtual machine (...

On Sat, Jan 27, 2018 at 3:44 PM, Peter Crowther <peter.crowther@melandra.com> wrote: > You say you can ping but not ssh. If you install tcpdump on the VM, can you > see the ping packets arriving and leaving? If not, I suspect an address > collision - especially if ping continues to work with the VM shut down. If > you can't ping, check the other end of your bridge. I'm

Hi, I have a strange issue in a libvirt environment, and I do not know how to solve it. I have two centos hosts: first one is a physical server called server1, that acts as a host for the second one, called centos1. The centos1 is a virtual machine (VM) running in server1. A linux bridge in forwarding mode is used to connect the centos1 VM network interface to the server1 network interface and