Diego, No, ssh can't connect to an Instance and also, if I login into that Instance via SPICE Console, I can't run "apt-get update", it froze too...
Tks, Thiago On 20 May 2014 13:35, Diego Parrilla Santamaría < [email protected]> wrote: > Is SSH the only protocol failing? Have you checked MTU size in your > infrastructure? > > Regards > Diego > > -- > Diego Parrilla > <http://www.stackops.com/>*CEO* > *www.stackops.com <http://www.stackops.com/> | * > [email protected] | +34 91 005-2164 | skype:diegoparrilla > > > > > On Tue, May 20, 2014 at 6:02 PM, Martinx - ジェームズ < > [email protected]> wrote: > >> Apparently we're all facing the same issue. The fact is, Neutron is too >> much complex... >> >> Back with Havana, we faced this: >> https://bugs.launchpad.net/neutron/+bug/1252900 >> >> But now, with Ubuntu 14.04 + IceHouse, seems to be a different problem. >> >> "Neutron + GRE or VXLAN", is very hard to stabilize and doesn't scale >> very well... >> >> I'm seeing that it works better with "VLAN / Flat Networks" (i.e. without >> using the Neutron Network Node as Instance's default gateway). I'll try it >> instead... >> >> Maybe James Denton, from Rackspace, might help us again! :-P >> >> Best! >> Thiago >> >> >> On 20 May 2014 11:21, Jason Bishop <[email protected]> wrote: >> >>> >>> that happened to me too. maybe same root cause? >>> >>> see http://ubuntuforums.org/showthread.php?t=2223789 >>> >>> cheers >>> jason >>> >>> >>> >>> On Mon, May 19, 2014 at 10:59 PM, Martinx - ジェームズ < >>> [email protected]> wrote: >>> >>>> I managed to login into a Ubuntu Instance via `SPICE Console` and there >>>> is more network outages from within it, take a look ("apt-get update" froze >>>> too): >>>> >>>> -- >>>> http://i.imgur.com/IeEXIjR.png >>>> -- >>>> >>>> Am I missing something?! >>>> >>>> >>>> On 20 May 2014 02:47, Martinx - ジェームズ <[email protected]>wrote: >>>> >>>>> Hey Stackers! >>>>> >>>>> I'm facing a weird network issue here, with *IceHouse* and *Neutron >>>>> L3*... Using "Per-Project Router with Private Networks"... >>>>> >>>>> I am unable to connect via SSH into an Instance, from its own "Project >>>>> Namespace Router", look: >>>>> >>>>> -- >>>>> root@net-controller-1:~# ip netns exec >>>>> qrouter-c252886a-1fd0-45dd-9e3b-4233786e7960 ssh -i ~/pem >>>>> [email protected] -v >>>>> OpenSSH_6.6.1, OpenSSL 1.0.1f 6 Jan 2014 >>>>> debug1: Reading configuration data /etc/ssh/ssh_config >>>>> debug1: /etc/ssh/ssh_config line 19: Applying options for * >>>>> debug1: Connecting to 192.168.1.17 [192.168.1.17] port 22. >>>>> debug1: Connection established. >>>>> debug1: permanently_set_uid: 0/0 >>>>> debug1: identity file /root/pem type -1 >>>>> debug1: identity file /root/pem-cert type -1 >>>>> debug1: Enabling compatibility mode for protocol 2.0 >>>>> debug1: Local version string SSH-2.0-OpenSSH_6.6.1p1 Ubuntu-2ubuntu2 >>>>> debug1: Remote protocol version 2.0, remote software version >>>>> OpenSSH_6.6p1 Ubuntu-2ubuntu1 >>>>> debug1: match: OpenSSH_6.6p1 Ubuntu-2ubuntu1 pat >>>>> OpenSSH_6.5*,OpenSSH_6.6* compat 0x14000000 >>>>> debug1: SSH2_MSG_KEXINIT sent >>>>> ... >>>>> ... >>>>> ...ssh stucked!!! >>>>> ... >>>>> -- >>>>> >>>>> The SSH connection froze at "debug1: SSH2_MSG_KEXINIT sent" and it >>>>> never establishes... >>>>> >>>>> From its attached `Floating IP`, the symptom is the same, I can't >>>>> connect via SSH into a Instance, I tried it with 12.04 and 14.04, same >>>>> result for both... >>>>> >>>>> The Instance looks good from SPICE Consoles (but I need to login with >>>>> "ubuntu user" via network first, using ssh key). >>>>> >>>>> - >>>>> >>>>> I'm running tcpdump on both "qr-$INT" and at the Compute Node DATA >>>>> NETWORK, to see the GREv0 traffic too, here it is: >>>>> >>>>> -- >>>>> root@net-controller-1:~# ip netns exec >>>>> qrouter-c252886a-1fd0-45dd-9e3b-4233786e7960 tcpdump -v -ni qr-eeb0d2f3-42 >>>>> >>>>> http://paste.openstack.org/show/80969/ >>>>> >>>>> NOTE: From the line ~16 to 32, SSH was already frozen... >>>>> -- >>>>> >>>>> root@compute-node-1:~# tcpdump -ni eth1 | grep -v IP6 >>>>> >>>>> http://paste.openstack.org/show/80970/ >>>>> -- >>>>> >>>>> What can I do to deep investigate this?! >>>>> >>>>> I double checked everything, including OVS bridges, sysctl.conf, `ethtool >>>>> --offload ethX gro off` and etc... Don't know what's is wrong... >>>>> >>>>> I think that this is the last problem I'm facing with IceHouse, I >>>>> would like to put it into prod but, I am unable to do it right now... >>>>> :-/ >>>>> >>>>> Tks in advance! >>>>> >>>>> Best, >>>>> Thiago >>>>> >>>> >>>> >>>> _______________________________________________ >>>> Mailing list: >>>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack >>>> Post to : [email protected] >>>> Unsubscribe : >>>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack >>>> >>>> >>> >> >> _______________________________________________ >> Mailing list: >> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack >> Post to : [email protected] >> Unsubscribe : >> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack >> >> >
_______________________________________________ Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack Post to : [email protected] Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
