[Openstack] Two Neutron two interface DOWN

Wilson Kwok leiw324 at gmail.com
Wed May 20 01:06:55 UTC 2015


Hi Andreas,

Thanks for helping this newbie :D

I don't know the password of the instance.

Thanks

2015-05-20 4:12 GMT+08:00 Andreas Scheuring <scheuran at linux.vnet.ibm.com>:

> Wilson,
> you can at least access your instance using the vnc console you already
> showed. If it's not working in the view you had screenshoted, use the
> link saying "show console only" or something like that. Then you should
> be able to log in to your instance. From there try to ping your internal
> and external gateway and see how for you get...
>
>
> The Security Group rules look fine!
>
> But in order to find out the real issue, it would be great if you
> collect the following data. Without that info it's just guessing...
> Just paste it into the mail:
>
>
> # Authenticate to your cloud [1] and then run the following command to
> show all the details of your external network:
> > neutron net-show home
>
> #Run these commands to collect more information about your host setup
>
> > ovs-vsctl show
>
> > ip a
>
> > ps -ax | grep neutron-
>
> > cat /etc/neutron/plugin.ini
>
> > cat /etc/neutron/plugins/ml2/ml2_conf.ini
>
>
> [1] http://docs.openstack.org/cli-reference/content/cli_openrc.html
>
>
>
>
> --
> Andreas
> (irc: scheuran)
>
>
> On Tue, 2015-05-19 at 20:42 +0800, Wilson Kwok wrote:
> > Also attached ifconfig to you.
> >
> > 2015-05-19 20:35 GMT+08:00 Wilson Kwok <leiw324 at gmail.com>:
> >         And the security group for this instance, please see attached.
> >
> >         2015-05-19 20:33 GMT+08:00 Wilson Kwok <leiw324 at gmail.com>:
> >                 Hi Andreas,
> >
> >
> >                 The instance created (Please see attached
> >                 console.jpg), and it floating ip is 172.28.0.201
> >                 (Please see attached floating IP.jpg), inside of my
> >                 home PC can't ping 172.28.0.201, so I can't use
> >                 keypair to access this instance, any idea ?
> >
> >
> >                 Thanks
> >
> >
> >                 2015-05-19 14:24 GMT+08:00 Andreas Scheuring
> >                 <scheuran at linux.vnet.ibm.com>:
> >                         Hi Wilson,
> >                         don't get hung up on the port state for now,
> >                         let's focus on on your
> >                         "ping" test that is not working.
> >
> >                         I had a brief look at the pictures you
> >                         attached. The first thing that
> >                         caught my attention is that your instance is
> >                         shut off. So no chance to
> >                         ping it anyhow!
> >
> >                         If it's still not working with a running
> >                         instance. Check your security
> >                         groups setup. The Security Group attached to
> >                         your instance needs a rule
> >                         like this in order to ping your guest from
> >                         outside:
> >                         Ingress - CIDR 0.0.0.0/0 - icmp
> >
> >
> >                         And if you still have problems, we need to
> >                         have a look at your setup.
> >                         Please provide the following information to
> >                         allow further debugging. I
> >                         assume you configured your cloud with
> >                         Openvswitch...
> >
> >
> >
> >                         From your Controller Node:
> >
> >                         # Authenticate to your cloud [1] and then run
> >                         the following command to
> >                         show all the details of your external network:
> >                         > neutron net-show home
> >
> >                         #Run these commands to collect more
> >                         information about your host setup
> >
> >                         > ovs-vsctl show
> >
> >                         > ip a
> >
> >                         > ps -ax | grep neutron-
> >
> >                         > cat /etc/neutron/plugin.ini
> >
> >                         > cat /etc/neutron/plugins/ml2/ml2_conf.ini
> >
> >
> >                         [1]
> >
> http://docs.openstack.org/cli-reference/content/cli_openrc.html
> >
> >
> >
> >                         --
> >                         Andreas
> >                         (irc: scheuran)
> >
> >
> >                         On Mon, 2015-05-18 at 22:38 +0800, Wilson Kwok
> >                         wrote:
> >                         > Anyone can help ?
> >                         >
> >                         > 2015-05-18 0:03 GMT+08:00 Wilson Kwok
> >                         <leiw324 at gmail.com>:
> >                         >         Hello all,
> >                         >
> >                         >
> >                         >         I have Neutron router of two
> >                         interfaces DOWN problem, below is
> >                         >         my home lab simple diagram and
> >                         attached the Network Topology:
> >                         >
> >                         >
> >                         >         Home Subnet = 172.28.0.0/16
> >                         >
> >                         >
> >                         >         Openstack host computer =
> >                         172.28.0.150
> >                         >
> >                         >
> >                         >         I created Neutron home network =
> >                         172.28.0.0/16
> >                         >
> >                         >
> >                         >         Neutron router = extneral
> >                         gateway(DOWN): 172.28.0.200 and
> >                         >         internat gateway(DOWN): 192.168.0.1
> >                         >
> >                         >
> >                         >         I created Neutron instance network =
> >                         192.168.0.0/24
> >                         >
> >                         >
> >                         >         Is my network settings problem? and
> >                         I already assigned
> >                         >         Floating IP for instance that wanna
> >                         Openstack host computer
> >                         >         can ping instance, what can I do?
> >                         >
> >                         >
> >                         >         Thanks
> >                         >
> >                         >
> >                         >
> >
> >                         >
> >                         _______________________________________________
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> >
> >
> >
> >
> >
> >
>
>
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